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description Publicationkeyboard_double_arrow_right Other literature type 2016Publisher:OpenAlex Georges Aad; B. Abbott; J. Abdallah; O. Abdinov; Baptiste Abeloos; R. Aben; M. Abolins; O. S. AbouZeid; Halina Abramowicz; Henso Abreu; R. Abreu; Yiming Abulaiti; Bobby Samir Acharya; L. Adamczyk; D. L. Adams; J. Adelman; S. Adomeit; T. Adye; Tony Affolder; T. Agatonović-Jovin; J. Agricola; J. A. Aguilar-Saavedra; S. P. Ahlen; Faig Ahmadov; Giulio Aielli; H. Åkerstedt; T. P. A. Åkesson; A. V. Akimov; G. L. Alberghi; J. Albert; S. Albrand; María Josefina Alconada Verzini; M. Aleksa; C. Alexa; G. Alexander; Theodoros Alexopoulos; Muhammad Alhroob; G. Alimonti; John Alison; S. P. Alkire; Benedict Allbrooke; Brandon Allen; Phillip Allport; A. Aloisio; Andrea García Alonso; Francisco Alonso; C. Alpigiani; B. Alvarez Gonzalez; D. Álvarez Piqueras; Mariagrazia Alviggi; B. T. Amadio; K. Amako; Y. Amaral Coutinho; C. Amelung; D. Amidei; Susana Patricia Amor dos Santos; A. Amorim; S. Amoroso; N. Amram; G. Amundsen; C. Anastopoulos; L. S. Ancu; N. Andari; T. Andeen; C. F. Anders; G. Anders; J. K. Anders; K. J. Anderson; A. Andreazza; V. Andrei; S. Angelidakis; I. Angelozzi; P. Anger; A. Angerami; F. Anghinolfi; Alexey Anisenkov; N. Anjos; A. Annovi; M. Antonelli; A. Antonov; J. Antos; F. Anulli; Mayumi Aoki; G. Bella; G. Arabidze; Y. Arai; J. P. Araque; Ayana Tamu Arce; F. A. Arduh; Jean-François Arguin; S. Argyropoulos; M. Arık; Aaron James Armbruster; L. J. Armitage; O. Arnaez; H. Arnold; M. Arratia; O. Arslan; A. Artamonov;Les résultats d'une recherche de gluinos dans des états finaux avec un électron ou un muon isolé, des jets multiples et une grande quantité de mouvement transverse manquante à l'aide de données de collision proton-proton à une énergie de centre de masse de $ \sqrt{s}$ = 13 TeV sont présentés. L'ensemble de données utilisé a été enregistré en 2015 par l'expérience ATLAS au Grand collisionneur de hadrons et correspond à une luminosité intégrée de 3,2 fb$^{-1}$ . Six sélections de signal sont définies qui exploitent au mieux les caractéristiques du signal. Les données sont conformes aux attentes de fond du modèle standard dans les six sélections de signaux, et l'écart le plus important est un excès d'écart type de 2,1. Les résultats sont interprétés dans un modèle simplifié où les gluinos produits par paire se désintègrent via le chargino le plus léger en neutrino le plus léger. Dans ce modèle, les gluinos sont exclus jusqu'à des masses d'environ 1,6 TeV en fonction du spectre de masse du modèle simplifié, dépassant ainsi les limites des recherches précédentes. Se presentan los resultados de una búsqueda de gluinos en estados finales con un electrón o muón aislado, múltiples chorros y gran momento transversal faltante utilizando datos de colisión de protones a una energía del centro de masa de $\sqrt{s}$ = 13 TeV. El conjunto de datos utilizado fue registrado en 2015 por el experimento ATLAS en el Gran Colisionador de Hadrones y corresponde a una luminosidad integrada de 3,2 fb$^{-1}$. Se definen seis selecciones de señal que explotan mejor las características de la señal. Los datos concuerdan con la expectativa de fondo del Modelo Estándar en las seis selecciones de señal, y la desviación más grande es un exceso de desviación estándar de 2.1. Los resultados se interpretan en un modelo simplificado donde los gluinos producidos por pares se descomponen a través del chargino más ligero al neutralino más ligero. En este modelo, los gluinos se excluyen hasta masas de aproximadamente 1,6 TeV dependiendo del espectro de masas del modelo simplificado, superando así los límites de las búsquedas anteriores. The results of a search for gluinos in final states with an isolated electron or muon, multiple jets and large missing transverse momentum using proton--proton collision data at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV are presented. The dataset used was recorded in 2015 by the ATLAS experiment at the Large Hadron Collider and corresponds to an integrated luminosity of 3.2 fb$^{-1}$. Six signal selections are defined that best exploit the signal characteristics. The data agree with the Standard Model background expectation in all six signal selections, and the largest deviation is a 2.1 standard deviation excess. The results are interpreted in a simplified model where pair-produced gluinos decay via the lightest chargino to the lightest neutralino. In this model, gluinos are excluded up to masses of approximately 1.6 TeV depending on the mass spectrum of the simplified model, thus surpassing the limits of previous searches. يتم عرض نتائج البحث عن الغلوينات في الحالات النهائية مع إلكترون أو ميون معزول، ونفاثات متعددة وزخم عرضي كبير مفقود باستخدام بيانات تصادم البروتون والبروتون في طاقة مركز الكتلة $\sqrt{s}$ = 13 TeV. تم تسجيل مجموعة البيانات المستخدمة في عام 2015 من قبل تجربة أطلس في مصادم الهادرونات الكبير وتتوافق مع لمعان متكامل قدره 3.2 مليار دولار^{-1 }$. يتم تحديد ستة اختيارات للإشارة تستغل خصائص الإشارة على أفضل وجه. تتفق البيانات مع توقعات خلفية النموذج القياسي في جميع اختيارات الإشارات الستة، وأكبر انحراف هو زيادة الانحراف المعياري 2.1. يتم تفسير النتائج في نموذج مبسط حيث تتحلل الغلوينات المنتجة للزوجين عبر أخف شاحن إلى أخف محايد. في هذا النموذج، يتم استبعاد الغلوينات حتى كتل تبلغ حوالي 1.6 تيرا إلكترون فولت اعتمادًا على الطيف الكتلي للنموذج المبسط، وبالتالي تجاوز حدود عمليات البحث السابقة.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Research , Preprint , Other literature type 2023Embargo end date: 01 Jan 2023 Netherlands, Spain, Italy, Italy, Netherlands, Italy, Turkey, Australia, Germany, Turkey, Germany, Australia, Germany, Italy, Turkey, Italy, Italy, Italy, Netherlands, Chile, Italy, Italy, Switzerland, China (People's Republic of), Italy, China (People's Republic of), Turkey, Italy, Netherlands, Sweden, Netherlands, Italy, Italy, Germany, United States, China (People's Republic of), Italy, Poland, United Kingdom, Italy, Czech Republic, Czech Republic, France, Denmark, Spain, GermanyPublisher:Elsevier BV Funded by:NSERCNSERCG. Aad; B. Abbott; K. Abeling; N.J. Abicht; S.H. Abidi; A. Aboulhorma; H. Abramowicz; H. Abreu; Y. Abulaiti; A.C. Abusleme Hoffman; B.S. Acharya; C. Adam Bourdarios; L. Adamczyk; L. Adamek; S.V. Addepalli; M.J. Addison; J. Adelman; A. Adiguzel; T. Adye; A.A. Affolder; Y. Afik; M.N. Agaras; J. Agarwala; A. Aggarwal; C. Agheorghiesei; A. Ahmad; F. Ahmadov; W.S. Ahmed; S. Ahuja; X. Ai; G. Aielli; M. Ait Tamlihat; B. Aitbenchikh; I. Aizenberg; M. Akbiyik; T.P.A. Åkesson; A.V. Akimov; D. Akiyama; N.N. Akolkar; K. Al Khoury; G.L. Alberghi; J. Albert; P. Albicocco; G.L. Albouy; S. Alderweireldt; M. Aleksa; I.N. Aleksandrov; C. Alexa; T. Alexopoulos; A. Alfonsi; F. Alfonsi; M. Algren; M. Alhroob; B. Ali; H.M.J. Ali; S. Ali; S.W. Alibocus; M. Aliev; G. Alimonti; W. Alkakhi; C. Allaire; B.M.M. Allbrooke; J.F. Allen; C.A. Allendes Flores; P.P. Allport; A. Aloisio; F. Alonso; C. Alpigiani; M. Alvarez Estevez; A. Alvarez Fernandez; M.G. Alviggi; M. Aly; Y. Amaral Coutinho; A. Ambler; C. Amelung; M. Amerl; C.G. Ames; D. Amidei; S.P. Amor Dos Santos; K.R. Amos; V. Ananiev; C. Anastopoulos; T. Andeen; J.K. Anders; S.Y. Andrean; A. Andreazza; S. Angelidakis; A. Angerami; A.V. Anisenkov; A. Annovi; C. Antel; M.T. Anthony; E. Antipov; M. Antonelli; D.J.A. Antrim; F. Anulli; M. Aoki; T. Aoki; J.A. Aparisi Pozo; M.A. Aparo; L. Aperio Bella; C. Appelt; N. Aranzabal; C. Arcangeletti; A.T.H. Arce; E. Arena; J-F. Arguin; S. Argyropoulos; J.-H. Arling; A.J. Armbruster; O. Arnaez; H. Arnold; Z.P. Arrubarrena Tame; G. Artoni; H. Asada; K. Asai; S. Asai; N.A. Asbah; J. Assahsah; K. Assamagan; R. Astalos; S. Atashi; R.J. Atkin; M. Atkinson; N.B. Atlay; H. Atmani; P.A. Atmasiddha; K. Augsten; S. Auricchio; A.D. Auriol; V.A. Austrup; G. Avolio; K. Axiotis; G. Azuelos; D. Babal; H. Bachacou; K. Bachas; A. Bachiu; F. Backman; A. Badea; P. Bagnaia; M. Bahmani; A.J. Bailey; V.R. Bailey; J.T. Baines; L. Baines; C. Bakalis; O.K. Baker; E. Bakos; D. Bakshi Gupta; R. Balasubramanian; E.M. Baldin; P. Balek; E. Ballabene; F. Balli; L.M. Baltes; W.K. Balunas; J. Balz; E. Banas; M. Bandieramonte; A. Bandyopadhyay; S. Bansal; L. Barak; M. Barakat; E.L. Barberio; D. Barberis; M. Barbero; G. Barbour; K.N. Barends; T. Barillari; M-S. Barisits; T. Barklow; P. Baron; D.A. Baron Moreno; A. Baroncelli; G. Barone; A.J. Barr; J.D. Barr; L. Barranco Navarro; F. Barreiro; J. Barreiro Guimarães da Costa; U. Barron; M.G. Barros Teixeira; S. Barsov; F. Bartels; R. Bartoldus; A.E. Barton; P. Bartos; A. Basan; M. Baselga; A. Bassalat; M.J. Basso; C.R. Basson; R.L. Bates; S. Batlamous; J.R. Batley; B. Batool; M. Battaglia; D. Battulga; M. Bauce;doi: 10.1016/j.physletb.2023.138154 , 10.3204/pubdb-2024-05205 , 10.48550/arxiv.2303.10090 , 10.3204/pubdb-2023-04962
handle: https://repository.ubn.ru.nl/handle/2066/297792 , 11588/953139 , 11245.1/d108a380-6228-4468-8216-b1331f0afdca , 20.500.11851/10783 , 10261/348090 , 2066/297792 , 2434/1023489 , 10481/85352 , 20.500.11770/361180 , 11572/412611 , 11390/1267045 , 2108/342143 , 11590/462047 , 11573/1694189 , 11568/1238807 , 11587/503546 , 11585/953831 , 11582/340795 , 1959.3/477006 , 11571/1518036
doi: 10.1016/j.physletb.2023.138154 , 10.3204/pubdb-2024-05205 , 10.48550/arxiv.2303.10090 , 10.3204/pubdb-2023-04962
handle: https://repository.ubn.ru.nl/handle/2066/297792 , 11588/953139 , 11245.1/d108a380-6228-4468-8216-b1331f0afdca , 20.500.11851/10783 , 10261/348090 , 2066/297792 , 2434/1023489 , 10481/85352 , 20.500.11770/361180 , 11572/412611 , 11390/1267045 , 2108/342143 , 11590/462047 , 11573/1694189 , 11568/1238807 , 11587/503546 , 11585/953831 , 11582/340795 , 1959.3/477006 , 11571/1518036
Parton energy loss in the quark-gluon plasma (QGP) is studied with a measurement of photon-tagged jet production in 1.7 nb$^{-1}$ of Pb+Pb data and 260 pb$^{-1}$ of $pp$ data, both at $\sqrt{s_\mathrm{NN}} = 5.02$ TeV, with the ATLAS detector. The process $pp \to \gamma$+jet+$X$ and its analogue in Pb+Pb collisions is measured in events containing an isolated photon with transverse momentum ($p_\mathrm{T}$) above $50$ GeV and reported as a function of jet $p_\mathrm{T}$. This selection results in a sample of jets with a steeply falling $p_\mathrm{T}$ distribution that are mostly initiated by the showering of quarks. The $pp$ and Pb+Pb measurements are used to report the nuclear modification factor, $R_\mathrm{AA}$, and the fractional energy loss, $S_\mathrm{loss}$, for photon-tagged jets. In addition, the results are compared with the analogous ones for inclusive jets, which have a significantly smaller quark-initiated fraction. The $R_\mathrm{AA}$ and $S_\mathrm{loss}$ values are found to be significantly different between those for photon-tagged jets and inclusive jets, demonstrating that energy loss in the QGP is sensitive to the colour-charge of the initiating parton. The results are also compared with a variety of theoretical models of colour-charge-dependent energy loss. Physics letters / B 846, 138154 - (2023). doi:10.1016/j.physletb.2023.138154 Published by North-Holland Publ., Amsterdam
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 4 citations 4 popularity Average influence Average impulse Average Powered by BIP!
visibility 1visibility views 1 Powered bymore_vert Archivio Istituziona... arrow_drop_down Archivio istituzionale della ricerca - Università degli Studi di UdineArticle . 2023License: CC BYArchivio della Ricerca - Università di Roma Tor vergataArticle . 2023License: CC BYData sources: Archivio della Ricerca - Università di Roma Tor vergataArchivio della ricerca- Università di Roma La SapienzaArticle . 2023License: CC BYData sources: Archivio della ricerca- Università di Roma La SapienzaArchivio della Ricerca - Università di Roma Tor vergataArticle . 2023Full-Text: https://hdl.handle.net/2108/342143Data sources: Bielefeld Academic Search Engine (BASE)University of Freiburg: FreiDokArticle . 2023Full-Text: https://freidok.uni-freiburg.de/data/254405Data sources: Bielefeld Academic Search Engine (BASE)Queen Mary University of London: Queen Mary Research Online (QMRO)Article . 2023License: CC BYData sources: Bielefeld Academic Search Engine (BASE)University of California: eScholarshipArticle . 2023License: CC BYFull-Text: https://escholarship.org/uc/item/46b43639Data sources: Bielefeld Academic Search Engine (BASE)Recolector de Ciencia Abierta, RECOLECTAArticle . 2023Data sources: Recolector de Ciencia Abierta, RECOLECTAPhysics Letters BArticle . 2023License: CC BYData sources: Universiteit van Amsterdam Digital Academic RepositoryPublikationenserver der Georg-August-Universität GöttingenArticle . 2024Copenhagen University Research Information SystemArticle . 2023Data sources: Copenhagen University Research Information SystemRepository of the Czech Academy of SciencesArticle . 2023Data sources: Repository of the Czech Academy of SciencesGöttingen Research Online PublicationsArticle . 2024Data sources: Göttingen Research Online Publicationsİstinye University Institutional RepositoryArticle . 2023Data sources: İstinye University Institutional RepositoryeScholarship - University of CaliforniaArticle . 2023Data sources: eScholarship - University of CaliforniaPublikationer från Uppsala UniversitetArticle . 2023 . Peer-reviewedData sources: Publikationer från Uppsala UniversitetDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2023 . Peer-reviewedUniversiteit van Amsterdam: Digital Academic Repository (UvA DARE)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)University of Copenhagen: ResearchArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)Archivio Istituzionale dell'Università della CalabriaArticle . 2023Data sources: Archivio Istituzionale dell'Università della CalabriaArchivio della Ricerca - Università degli Studi Roma TreArticle . 2023Data sources: Archivio della Ricerca - Università degli Studi Roma TreArchivio della Ricerca - Università di PisaArticle . 2023Data sources: Archivio della Ricerca - Università di PisaRepositorio Institucional Universidad de GranadaArticle . 2023License: CC BYData sources: Repositorio Institucional Universidad de GranadaPontificia Universidad Católica de Chile: Repositorio UCArticle . 2025Data sources: Bielefeld Academic Search Engine (BASE)Fondazione Bruno Kessler: CINECA IRISArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)Swinburne University of Technology: Swinburne Research BankArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)Archive de l'Observatoire de Paris (HAL)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)Université Savoie Mont Blanc: HALArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)IRIS UNIPV (Università degli studi di Pavia)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type 2013Publisher:OpenAlex Georges Aad; T. Abajyan; B. Abbott; J. Weingarten; M. P. Casado; A. A. Abdelalim; O. Abdinov; Goetz Gaycken; P. A. Delsart; M. Abolins; A. Ventura; Halina Abramowicz; Henso Abreu; B. S. Acharya; L. Adamczyk; A. Trzupek; T. N. Addy; J. Adelman; S. Guindon; P. Adragna; T. Adye; S. Aefsky; J. A. Aguilar–Saavedra; B. Stugu; J. Große-Knetter; S. P. Ahlen; F. Ahles; A. Ahmad; M. Ahsan; G. Aielli; T. P. A. Åkesson; S. Jézéquel; R. Lafaye; M. S. Alam; M. A. Alam; J. Albert; K. Jon-And; Martin Aleksa; S. Palestini; F. Alessandria; C. Alexa; G. Alexander; L. Adamczyk; C. Alexa; M. Alhroob; G. Alimonti; G. Alimonti; M. Paulini; B. M. M. Allbrooke; P. P. Allport; S. E. Allwood-Spiers; Dragos Velicanu; Francisco Alonso; R. Alon; A. Alonso; Francisco Alonso; A. Altheimer; Bárbara Álvarez González; Mariagrazia Alviggi; Y. Coadou; Christoph Amelung; V. V. Ammosov; Susana Patricia Amor dos Santos; A. Amorim; N. Amram; C. Anastopoulos; E. Hill; Nansi Andari; T. Andeen; C. F. Anders; G. Anders; K. J. Anderson; A. Andreazza; V. Andrei; P. Laurelli; X. S. Anduaga; A. Angerami; A. Ventura; A. Angerami; S. Tisserant; Alexey Anisenkov; N. Anjos; A. Annovi; A. Antonaki; Mario Antonelli; J. Antos̆; M. Aoki; M. Aoki; S. Aoun; L. Aperio Bella; R. Apolle; G. Arabidze; I. Aracena; Y. Arai; Jean-François Arguin; S. Arfaoui; Jean-François Arguin; S. Argyropoulos; E. Arık;A bstract Se realiza una búsqueda de nuevos fenómenos en eventos con un chorro de alta energía y gran momento transversal faltante utilizando datos de colisiones protón-protón a $ \sqrt{s}=7 $ TeV con el experimento ATLAS en el Gran Colisionador de Hadrones. Se exploran cuatro regiones cinemáticas utilizando un conjunto de datos correspondiente a una luminosidad integrada de 4.7 fb −1 . No se observa un exceso de eventos más allá de las expectativas de los procesos del Modelo Estándar, y se establecen límites en las grandes dimensiones adicionales y la producción de pares de partículas de materia oscura. A bstract A search for new phenomena in events with a high energy jet and large missing transverse momentum is performed using data from proton-proton collisions at $ \sqrt{s}=7 $ TeV with the ATLAS experiment at the Large Hadron Collider. Quatre régions cinématiques sont explorées à l'aide d'un ensemble de données correspondant à une luminosité intégrée de 4,7 fb −1 . Aucun excès d'événements au-delà des attentes des processus du modèle standard n'est observé, et des limites sont fixées pour les grandes dimensions supplémentaires et la production de paires de particules de matière noire. A bstract A search for new phenomena in events with a high-energy jet and large missing transverse momentum is performed using data from proton-proton collisions at $ \sqrt{s}=7 $ TeV with the ATLAS experiment at the Large Hadron Collider. Four kinematic regions are explored using a dataset corresponding to an integrated luminosity of 4.7 fb −1 . No excess of events beyond expectations from Standard Model processes is observed, and limits are set on large extra dimensions and the pair production of dark matter particles. ملخص يتم إجراء البحث عن ظواهر جديدة في الأحداث ذات النفاثة عالية الطاقة والزخم العرضي الكبير المفقود باستخدام بيانات من تصادمات البروتون والبروتون عند $\sqrt{s}=7 $ TeV مع تجربة أطلس في مصادم الهدرونات الكبير. يتم استكشاف أربع مناطق حركية باستخدام مجموعة بيانات تتوافق مع لمعان متكامل قدره 4.7 fb −1 . لم يتم ملاحظة أي زيادة في الأحداث تتجاوز التوقعات من عمليات النموذج القياسي، ويتم تعيين الحدود على أبعاد إضافية كبيرة وإنتاج زوج من جزيئات المادة المظلمة.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type 2007Publisher:OpenAlex V. M. Abazov; B. Abbott; M. Abolins; B. S. Acharya; Mark Raymond Adams; T. Adams; E. Aguiló; S. H. Ahn; M. Ahsan; G. D. Alexeev; G. Alkhazov; A. Alton; G. Hamel de Monchenault; Gilvan Alves; M. Anastasoaie; L. S. Ancu; T. Andeen; S. Anderson; Bernard Andrieu; M. S. Anzelc; Y. Arnoud; M. Arov; Andrew Askew; B. Åsman; A. C.S. Assis Jesus; O. Atramentov; Christian Autermann; C. Ávila; C. Ay; F. Badaud; A. Baden; L. Bagby; B. Baldin; D. V. Bandurin; P. Banerjee; Sw. Banerjee; E. Barberis; Pedrame Bargassa; P. Baringer; C. Barnes; J. Barreto; J.F. Bartlett; U. Bassler; D. Bauer; S. Beale; A. Bean; M. Begalli; M. Begel; C. Bélanger-Champagne; L. Bellantoni; A. Bellavance; J. A. Benitez; S. B. Beri; Gregorio Bernardi; R. Bernhard; L. Berntzon; I. Bertram; Marc Besançon; R. Beuselinck; V. A. Bezzubov; Pushpalatha C Bhat; V. Bhatnagar; M. Binder; C. Biscarat; I. Blackler; G. Blazey; Freya Blekman; S. Blessing; D. Blöch; K. Bloom; Ulrike Blumenschein; A. Boehnlein; T. Bolton; G. Borissov; K. Bos; T. Bose; A. Brandt; R. Brock; G. Brooijmans; A. Bross; D. Brown; N. J. Buchanan; D. Buchholz; M. Buehler; Volker Buescher; S. Burdin; S. Bürke; T. H. Burnett; E. Busato; C. P. Buszello; J. M. Butler; Philippe Calfayan; S. Calvet; J. Cammin; Sascha Caron; W. Carvalho; B. C.K. Casey; N. M. Cason; Heriberto Castilla-Valdez; S. Chakrabarti;Se ha realizado una búsqueda de la producción de pares de quarks escalares superiores, t∼, en 360 pb−1 de datos de colisiones pp¯ a una energía del centro de masa de 1,96 TeV, recopilada por el detector DØ en el colisionador Fermilab Tevatron. El modo de decaimiento t considerado es t~→cχ~10, donde χ~10 es la partícula supersimétrica más ligera. Por lo tanto, la topología analizada consiste en un par de chorros acoplanares de sabor fuerte a los que les falta energía transversal. Los datos y la expectativa del modelo estándar están de acuerdo, y se ha determinado un dominio de exclusión de C.L. del 95% en el plano (mt~, mχ ~10), extendiendo el dominio excluido por experimentos anteriores. Une recherche de la production de paires de quarks supérieurs scalaires, t∼, a été effectuée dans 360 pb−1 de données de collisions pp¯ à une énergie de centre de masse de 1,96 TeV, collectées par le détecteur DØ au collisionneur Fermilab Tevatron. Le mode de décroissance t∼ considéré est t∼→cχ∼10, où χ∼10 est la particule supersymétrique la plus légère. La topologie analysée consiste donc en une paire de jets de saveurs lourdes acoplanaires à énergie transverse manquante. Les données et les attentes du modèle standard sont en accord, et un domaine d'exclusion de 95% C.L. dans le plan (mt∼,mχ∼10) a été déterminé, étendant le domaine exclu par les expériences précédentes. A search for the pair production of scalar top quarks, t˜, has been performed in 360 pb−1 of data from pp¯ collisions at a center-of-mass energy of 1.96 TeV, collected by the DØ detector at the Fermilab Tevatron collider. The t˜ decay mode considered is t˜→cχ˜10, where χ˜10 is the lightest supersymmetric particle. The topology analyzed therefore consists of a pair of acoplanar heavy-flavor jets with missing transverse energy. The data and standard model expectation are in agreement, and a 95% C.L. exclusion domain in the (mt˜,mχ˜10) plane has been determined, extending the domain excluded by previous experiments. تم إجراء بحث عن إنتاج الزوج من الكواركات العلوية العددية، t، في 360 pb-1 من البيانات من الاصطدامات pp عند طاقة مركز الكتلة البالغة 1.96 تيرا إلكترون فولت، والتي تم جمعها بواسطة كاشف DØ في مصادم Fermilab Tevatron. وضع الاضمحلال الذي تم النظر فيه→ هو10، حيث 10 هو أخف جسيم فائق التناظر. وبالتالي، فإن الطوبولوجيا التي تم تحليلها تتكون من زوج من نفاثات النكهة الثقيلة المستوية مع طاقة مستعرضة مفقودة. تتوافق البيانات وتوقعات النموذج القياسي، وقد تم تحديد مجال استبعاد CL بنسبة 95 ٪ في مستوى (mt?, mχ? 10)، مما يوسع النطاق المستبعد من التجارب السابقة.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type 2008Publisher:OpenAlex V. M. Abazov; B. Abbott; M. Abolins; B. S. Acharya; Mark Raymond Adams; T. Adams; E. Aguiló; S. H. Ahn; M. Ahsan; G. D. Alexeev; G. Alkhazov; A. Alton; G. Hamel de Monchenault; G. A. Alves; M. Anastasoaie; L. S. Ancu; T. Andeen; S. Anderson; Bernard Andrieu; M. S. Anzelc; Masato Aoki; Y. Arnoud; M. Arov; M. Arthaud; Andrew Askew; B. Åsman; A. C.S. Assis Jesus; O. Atramentov; C. Ávila; C. Ay; F. Badaud; A. Baden; L. Bagby; B. Baldin; D. V. Bandurin; P. Banerjee; Sw. Banerjee; E. Barberis; A. F. Barfuss; Pedrame Bargassa; P. Baringer; J. Barreto; J. F. Bartlett; U. Bassler; D. Bauer; S. Beale; A. Bean; M. Begalli; M. Begel; C. Bélanger-Champagne; L. Bellantoni; A. Bellavance; J. A. Benitez; Suman Bala Beri; Gregorio Bernardi; R. Bernhard; I. Bertram; Marc Besançon; R. Beuselinck; V. A. Bezzubov; Pushpalatha C Bhat; V. Bhatnagar; C. Biscarat; G. Blazey; Freya Blekman; S. Blessing; D. Blöch; K. Bloom; A. Boehnlein; D. Boline; T. Bolton; G. Borissov; Tulika Bose; A. Brandt; R. Brock; G. Brooijmans; A. Bross; D. Brown; N. J. Buchanan; D. Buchholz; M. Buehler; Volker Buescher; V. Bunichev; S. Burdin; S. Bürke; T. H. Burnett; C. P. Buszello; J. M. Butler; Philippe Calfayan; S. Calvet; J. Cammin; W. Carvalho; B. C.K. Casey; Heriberto Castilla-Valdez; S. Chakrabarti; D. Chakraborty; K. M. Chan; K. Chan; A. Chandra; F. Charles;Nous présentons une recherche pour la production de paires de quarks supérieurs scalaires, t∼, en utilisant 995 pb−1 de données collectées dans des collisions pp¯ avec le détecteur DØ au collisionneur Fermilab Tevatron à s=1,96TeV. On suppose que les deux quarks supérieurs scalaires se décomposent en un quark charm et un neutralino (χ∼10), où χ∼10 est la particule supersymétrique la plus légère. Cela conduit à un état final avec deux jets de charme acoplanaires et une énergie transversale manquante. Nous trouvons que le rendement de tels événements est cohérent avec l'attente du modèle standard, et excluons les ensembles de masses t∼ et χ∼10 au C.L. à 95 % qui étendent considérablement le domaine exclu par les recherches précédentes. Presentamos una búsqueda de la producción de pares de quarks escalares superiores, t∼, utilizando 995 pb−1 de datos recopilados en colisiones pp¯ con el detector DØ en el colisionador de tevatrones Fermilab a s=1,96TeV. Se supone que ambos quarks escalares top se descomponen en un quark encanto y un neutralino (χ∼10), donde χ∼10 es la partícula supersimétrica más ligera. Esto conduce a un estado final con dos chorros de encanto acoplanar y falta de energía transversal. Encontramos que el rendimiento de tales eventos es consistente con la expectativa del modelo estándar y excluye conjuntos de masas t∼ y χ∼10 en el CL del 95% que extienden sustancialmente el dominio excluido por búsquedas anteriores. We present a search for the pair production of scalar top quarks, t˜, using 995 pb−1 of data collected in pp¯ collisions with the DØ detector at the Fermilab Tevatron Collider at s=1.96TeV. Both scalar top quarks are assumed to decay into a charm quark and a neutralino (χ˜10), where χ˜10 is the lightest supersymmetric particle. This leads to a final state with two acoplanar charm jets and missing transverse energy. We find the yield of such events to be consistent with the standard model expectation, and exclude sets of t˜ and χ˜10 masses at the 95% C.L. that substantially extend the domain excluded by previous searches. نقدم بحثًا عن إنتاج الزوج من الكواركات العليا العددية، باستخدام 995 pb-1 من البيانات التي تم جمعها في الاصطدامات مع كاشف DØ في مصادم Fermilab Tevatron في s=1.96TeV. من المفترض أن يتحلل كل من الكواركات العليا العددية إلى كوارك ساحر ومحايد (χ 10)، حيث χ 10 هو أخف جسيم فائق التناظر. وهذا يؤدي إلى حالة نهائية مع نفاثتين سحريتين مستويتين وطاقة عرضية مفقودة. نجد أن ناتج مثل هذه الأحداث يتوافق مع توقعات النموذج القياسي، ونستبعد مجموعات من كتلتي T و χ 10 عند 95 ٪ CL التي توسع المجال المستبعد بشكل كبير من خلال عمليات البحث السابقة.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type 2015Publisher:OpenAlex Georges Aad; B. Abbott; J. Abdallah; O. Abdinov; R. Aben; M. Abolins; O. S. AbouZeid; Halina Abramowicz; Henso Abreu; R. Abreu; Yiming Abulaiti; B. S. Acharya; L. Adamczyk; T. Adams; J. Adelman; S. Adomeit; T. Adye; A. Affolder; T. Agatonović-Jovin; Juan Antonio Aguilar-Saavedra; S. P. Ahlen; Faig Ahmadov; Giulio Aielli; H. Åkerstedt; T. P. A. Åkesson; G. Akimoto; A. V. Akimov; Gian Luigi Alberghi; J. Albert; S. Albrand; M. J. Alconada Verzini; Martin Aleksa; I. N. Aleksandrov; C. Alexa; G. Alexander; Theodoros Alexopoulos; Muhammad Alhroob; G. Alimonti; L. Alio; John Alison; Steven Patrick Alkire; B. M. M. Allbrooke; Phillip Allport; A. Aloisio; A. Alonso; Francisco Alonso; Cristiano Alpigiani; A. Altheimer; Barbara Álvarez González; D. Álvarez Piqueras; M. G. Alviggi; Brian Thomas Amadio; K. Amako; Yara Amaral Coutinho; Christoph Amelung; D. Amidei; Susana Patricia Amor dos Santos; A. Amorim; Simone Amoroso; N. Amram; G. Amundsen; Christos Anastopoulos; L. S. Ancu; Nansi Andari; T. Andeen; C. F. Anders; G. Anders; John Kenneth Anders; K. J. Anderson; A. Andreazza; V. Andrei; Stylianos Angelidakis; I. Angelozzi; P. Anger; Aaron Angerami; F. Anghinolfi; Alexey Anisenkov; N. Anjos; A. Annovi; M. Antonelli; J. Antoš; F. Anulli; Masato Aoki; L. Aperio Bella; G. Arabidze; Y. Arai; J. P. Araque; Ayana Tamu Arce; Francisco Anuar Arduh; J-F. Arguin; Spyridon Argyropoulos; M. Arık; A. J. Armbruster; Olivier Arnaez; V. Arnal; Hannah Arnold; M. Arratia; O. Arslan; Alexander Artamonov;Les résultats d'une recherche de nouveaux phénomènes dans des événements avec une grande quantité de mouvement transverse manquante et un boson de Higgs se désintégrant en deux photons sont rapportés. Les données des collisions proton-proton à une énergie de centre de masse de 8 TeV et correspondant à une luminosité intégrée de $ 20.3\text{ }\ text {} {\mathrm{fb}}^{\ ensuremath {-}1}$ ont été collectées avec le détecteur ATLAS au LHC. Les données observées sont bien décrites par les arrière-plans attendus du modèle standard. Des limites supérieures sur la section transversale des événements avec un grand élan transversal manquant et un candidat boson de Higgs sont également placées. Les limites d'exclusion sont présentées pour les modèles de physique au-delà du modèle standard présentant des candidats de matière noire. Se informan los resultados de una búsqueda de nuevos fenómenos en eventos con gran momento transversal faltante y un bosón de Higgs en descomposición a dos fotones. Los datos de las colisiones protón-protón a una energía del centro de masa de 8 TeV y correspondientes a una luminosidad integrada de $ 20.3\text{ }\ text {} {\mathrm{fb}}^{\ ensuremath {-}1}$ se han recopilado con el detector ATLAS en el LHC. Los datos observados están bien descritos por los antecedentes del modelo estándar esperado. También se colocan límites superiores en la sección transversal de eventos con gran falta de impulso transversal y un candidato al bosón de Higgs. Los límites de exclusión se presentan para modelos de física más allá del modelo estándar con candidatos de materia oscura. Results of a search for new phenomena in events with large missing transverse momentum and a Higgs boson decaying to two photons are reported. Data from proton-proton collisions at a center-of-mass energy of 8 TeV and corresponding to an integrated luminosity of $20.3\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ have been collected with the ATLAS detector at the LHC. The observed data are well described by the expected standard model backgrounds. Upper limits on the cross section of events with large missing transverse momentum and a Higgs boson candidate are also placed. Exclusion limits are presented for models of physics beyond the standard model featuring dark-matter candidates. تم الإبلاغ عن نتائج البحث عن ظواهر جديدة في أحداث ذات زخم عرضي كبير مفقود وبوزون هيغز يتحلل إلى فوتونين. تم جمع البيانات من اصطدامات البروتون- البروتون عند طاقة مركز الكتلة البالغة 8 تيرا إلكترون فولت والمطابقة لمعان متكامل قدره 20.3 $\ text{}\ text {} {\ mathrm {fb }}^{\ ensuremath{-} 1 }$ باستخدام كاشف أطلس في مصادم الهدرونات الكبير. يتم وصف البيانات المرصودة بشكل جيد من خلال خلفيات النموذج القياسي المتوقعة. يتم أيضًا وضع حدود عليا على المقطع العرضي للأحداث ذات الزخم العرضي الكبير المفقود ومرشح بوزون هيغز. يتم تقديم حدود الاستبعاد لنماذج الفيزياء التي تتجاوز النموذج القياسي الذي يضم مرشحين للمادة المظلمة.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type 2014Publisher:OpenAlex Georges Aad; B. Abbott; J. Weingarten; M. P. Casado; O. Abdinov; Goetz Gaycken; P. A. Delsart; M. Abolins; Goetz Gaycken; Halina Abramowicz; Henso Abreu; Jos Vermeulen; Yiming Abulaiti; B. S. Acharya; L. Adamczyk; A. Trzupek; J. Adelman; S. Guindon; T. Adye; T. Agatonović-Jovin; J. A. Aguilar–Saavedra; B. Stugu; S. P. Ahlen; Faig Ahmadov; G. Aielli; H. Åkerstedt; T. P. A. Åkesson; S. Jézéquel; A. V. Akimov; Gian Luigi Alberghi; J. Albert; K. Jon-And; María Josefina Alconada Verzini; Martin Aleksa; S. Palestini; C. Alexa; G. Alexander; L. Adamczyk; T. Alexopoulos; M. Alhroob; G. Alimonti; L. Alio; A. Lister; B. M. M. Allbrooke; T. Adye; P. P. Allport; Francisco Alonso; A. Alonso; Francisco Alonso; Cristiano Alpigiani; A. Altheimer; Bárbara Álvarez González; Mariagrazia Alviggi; Y. Coadou; Yara Amaral Coutinho; Christoph Amelung; D. Amidei; Susana Patricia Amor dos Santos; A. Amorim; Simone Amoroso; N. Amram; A. Rozanov; C. Anastopoulos; E. Hill; Nansi Andari; T. Andeen; C. F. Anders; G. Anders; K. J. Anderson; A. Andreazza; V. Andrei; X. S. Anduaga; A. Angerami; N. Hod; A. Ventura; A. Angerami; S. Tisserant; Alexey Anisenkov; N. Anjos; A. Annovi; A. Antonaki; Mario Antonelli; J. Antos̆; M. Aoki; M. Aoki; L. Aperio Bella; R. Apolle; G. Arabidze; I. Aracena; Y. Arai; J. P. Araque; Jean-François Arguin; F. A. Arduh; Jean-François Arguin; S. Argyropoulos; M. Arik; Aaron James Armbruster; O. Arnaez; P. Pralavorio;Une recherche a été effectuée, en utilisant l'échantillon complet de données $ 20.3\text{ }\text {} {\mathrm{fb}}^{\ ensuremath {-}1}$ de 8 collisions proton-proton TeV collectées en 2012 avec le détecteur ATLAS du LHC, pour les photons provenant d'un sommet déplacé en raison de la désintégration d'une particule neutre à longue durée de vie en un photon et une particule invisible. L'analyse examine le diphoton et l'état final de la quantité de mouvement transverse manquant, et est donc la plus sensible à la production de paires de particules à longue durée de vie. La technique d'analyse exploite les capacités du calorimètre électromagnétique ATLAS pour effectuer des mesures précises de la direction de vol, ainsi que du temps de vol, des photons. Aucun excès n'est observé par rapport aux prédictions du modèle standard pour le contexte. Les limites d'exclusion sont définies dans le contexte des modèles de rupture de supersymétrie à médiation par jauge, le neutrino le plus léger étant la particule supersymétrique la plus proche et se décomposant en un photon et un gravitino avec une durée de vie comprise entre 250 ps et environ 100 ns. Se ha realizado una búsqueda, utilizando la muestra de datos completa de $ 20.3\text{ }\ text {} {\mathrm{fb}}^{\ ensuremath {-}1}$ de 8 colisiones protón-protón TeV recolectadas en 2012 con el detector ATLAS en el LHC, para fotones que se originan en un vértice desplazado debido a la descomposición de una partícula neutra de larga vida en un fotón y una partícula invisible. El análisis investiga el difotón más el estado final del momento transversal faltante y, por lo tanto, es más sensible a la producción de pares de partículas de larga vida. La técnica de análisis aprovecha las capacidades del calorímetro electromagnético ATLAS para realizar mediciones precisas de la dirección de vuelo, así como del tiempo de vuelo, de los fotones. No se observa exceso sobre las predicciones del Modelo Estándar para el fondo. Los límites de exclusión se establecen en el contexto de los modelos de ruptura de supersimetría mediados por gauge, siendo el neutralino más ligero la partícula supersimétrica más próxima a la más ligera y descomponiéndose en un fotón y gravitino con una vida útil en el rango de 250 ps a aproximadamente 100 ns. A search has been performed, using the full $20.3\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ data sample of 8 TeV proton-proton collisions collected in 2012 with the ATLAS detector at the LHC, for photons originating from a displaced vertex due to the decay of a neutral long-lived particle into a photon and an invisible particle. The analysis investigates the diphoton plus missing transverse momentum final state, and is therefore most sensitive to pair production of long-lived particles. The analysis technique exploits the capabilities of the ATLAS electromagnetic calorimeter to make precise measurements of the flight direction, as well as the time of flight, of photons. No excess is observed over the Standard Model predictions for background. Exclusion limits are set within the context of gauge mediated supersymmetry breaking models, with the lightest neutralino being the next-to-lightest supersymmetric particle and decaying into a photon and gravitino with a lifetime in the range from 250 ps to about 100 ns. تم إجراء بحث، باستخدام عينة بيانات كاملة بقيمة 20.3 دولارًا\text {}\ text {} {\ mathrm{fb }}^{\ ensuremath {-} 1}دولار من 8 اصطدامات بروتون- بروتون تيف تم جمعها في عام 2012 مع كاشف أطلس في مصادم الهادرونات الكبير، للفوتونات الناشئة من قمة متبدلة بسبب اضمحلال جسيم محايد طويل العمر إلى فوتون وجسيم غير مرئي. يبحث التحليل في الحالة النهائية للزخم المستعرض المفقود، وبالتالي فهو أكثر حساسية لإنتاج زوج من الجسيمات طويلة العمر. تستغل تقنية التحليل قدرات المسعر الكهرومغناطيسي أطلس لإجراء قياسات دقيقة لاتجاه الطيران، وكذلك وقت الطيران، للفوتونات. لم يلاحظ أي زيادة على تنبؤات النموذج القياسي للخلفية. يتم تعيين حدود الاستبعاد في سياق نماذج كسر التناظر الفائق بوساطة المقياس، مع كون المحايد الأخف وزنًا هو الجسيم الفائق التناظر التالي للأخف وزنًا ويتحلل إلى فوتون وجرافيتينو مع عمر يتراوح من 250 ps إلى حوالي 100 ns.
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description Publicationkeyboard_double_arrow_right Other literature type 2016Publisher:OpenAlex Georges Aad; B. Abbott; J. Abdallah; O. Abdinov; Baptiste Abeloos; R. Aben; M. Abolins; O. S. AbouZeid; Halina Abramowicz; Henso Abreu; R. Abreu; Yiming Abulaiti; Bobby Samir Acharya; L. Adamczyk; D. L. Adams; J. Adelman; S. Adomeit; T. Adye; Tony Affolder; T. Agatonović-Jovin; J. Agricola; J. A. Aguilar-Saavedra; S. P. Ahlen; Faig Ahmadov; Giulio Aielli; H. Åkerstedt; T. P. A. Åkesson; A. V. Akimov; G. L. Alberghi; J. Albert; S. Albrand; María Josefina Alconada Verzini; M. Aleksa; C. Alexa; G. Alexander; Theodoros Alexopoulos; Muhammad Alhroob; G. Alimonti; John Alison; S. P. Alkire; Benedict Allbrooke; Brandon Allen; Phillip Allport; A. Aloisio; Andrea García Alonso; Francisco Alonso; C. Alpigiani; B. Alvarez Gonzalez; D. Álvarez Piqueras; Mariagrazia Alviggi; B. T. Amadio; K. Amako; Y. Amaral Coutinho; C. Amelung; D. Amidei; Susana Patricia Amor dos Santos; A. Amorim; S. Amoroso; N. Amram; G. Amundsen; C. Anastopoulos; L. S. Ancu; N. Andari; T. Andeen; C. F. Anders; G. Anders; J. K. Anders; K. J. Anderson; A. Andreazza; V. Andrei; S. Angelidakis; I. Angelozzi; P. Anger; A. Angerami; F. Anghinolfi; Alexey Anisenkov; N. Anjos; A. Annovi; M. Antonelli; A. Antonov; J. Antos; F. Anulli; Mayumi Aoki; G. Bella; G. Arabidze; Y. Arai; J. P. Araque; Ayana Tamu Arce; F. A. Arduh; Jean-François Arguin; S. Argyropoulos; M. Arık; Aaron James Armbruster; L. J. Armitage; O. Arnaez; H. Arnold; M. Arratia; O. Arslan; A. Artamonov;Les résultats d'une recherche de gluinos dans des états finaux avec un électron ou un muon isolé, des jets multiples et une grande quantité de mouvement transverse manquante à l'aide de données de collision proton-proton à une énergie de centre de masse de $ \sqrt{s}$ = 13 TeV sont présentés. L'ensemble de données utilisé a été enregistré en 2015 par l'expérience ATLAS au Grand collisionneur de hadrons et correspond à une luminosité intégrée de 3,2 fb$^{-1}$ . Six sélections de signal sont définies qui exploitent au mieux les caractéristiques du signal. Les données sont conformes aux attentes de fond du modèle standard dans les six sélections de signaux, et l'écart le plus important est un excès d'écart type de 2,1. Les résultats sont interprétés dans un modèle simplifié où les gluinos produits par paire se désintègrent via le chargino le plus léger en neutrino le plus léger. Dans ce modèle, les gluinos sont exclus jusqu'à des masses d'environ 1,6 TeV en fonction du spectre de masse du modèle simplifié, dépassant ainsi les limites des recherches précédentes. Se presentan los resultados de una búsqueda de gluinos en estados finales con un electrón o muón aislado, múltiples chorros y gran momento transversal faltante utilizando datos de colisión de protones a una energía del centro de masa de $\sqrt{s}$ = 13 TeV. El conjunto de datos utilizado fue registrado en 2015 por el experimento ATLAS en el Gran Colisionador de Hadrones y corresponde a una luminosidad integrada de 3,2 fb$^{-1}$. Se definen seis selecciones de señal que explotan mejor las características de la señal. Los datos concuerdan con la expectativa de fondo del Modelo Estándar en las seis selecciones de señal, y la desviación más grande es un exceso de desviación estándar de 2.1. Los resultados se interpretan en un modelo simplificado donde los gluinos producidos por pares se descomponen a través del chargino más ligero al neutralino más ligero. En este modelo, los gluinos se excluyen hasta masas de aproximadamente 1,6 TeV dependiendo del espectro de masas del modelo simplificado, superando así los límites de las búsquedas anteriores. The results of a search for gluinos in final states with an isolated electron or muon, multiple jets and large missing transverse momentum using proton--proton collision data at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV are presented. The dataset used was recorded in 2015 by the ATLAS experiment at the Large Hadron Collider and corresponds to an integrated luminosity of 3.2 fb$^{-1}$. Six signal selections are defined that best exploit the signal characteristics. The data agree with the Standard Model background expectation in all six signal selections, and the largest deviation is a 2.1 standard deviation excess. The results are interpreted in a simplified model where pair-produced gluinos decay via the lightest chargino to the lightest neutralino. In this model, gluinos are excluded up to masses of approximately 1.6 TeV depending on the mass spectrum of the simplified model, thus surpassing the limits of previous searches. يتم عرض نتائج البحث عن الغلوينات في الحالات النهائية مع إلكترون أو ميون معزول، ونفاثات متعددة وزخم عرضي كبير مفقود باستخدام بيانات تصادم البروتون والبروتون في طاقة مركز الكتلة $\sqrt{s}$ = 13 TeV. تم تسجيل مجموعة البيانات المستخدمة في عام 2015 من قبل تجربة أطلس في مصادم الهادرونات الكبير وتتوافق مع لمعان متكامل قدره 3.2 مليار دولار^{-1 }$. يتم تحديد ستة اختيارات للإشارة تستغل خصائص الإشارة على أفضل وجه. تتفق البيانات مع توقعات خلفية النموذج القياسي في جميع اختيارات الإشارات الستة، وأكبر انحراف هو زيادة الانحراف المعياري 2.1. يتم تفسير النتائج في نموذج مبسط حيث تتحلل الغلوينات المنتجة للزوجين عبر أخف شاحن إلى أخف محايد. في هذا النموذج، يتم استبعاد الغلوينات حتى كتل تبلغ حوالي 1.6 تيرا إلكترون فولت اعتمادًا على الطيف الكتلي للنموذج المبسط، وبالتالي تجاوز حدود عمليات البحث السابقة.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Research , Preprint , Other literature type 2023Embargo end date: 01 Jan 2023 Netherlands, Spain, Italy, Italy, Netherlands, Italy, Turkey, Australia, Germany, Turkey, Germany, Australia, Germany, Italy, Turkey, Italy, Italy, Italy, Netherlands, Chile, Italy, Italy, Switzerland, China (People's Republic of), Italy, China (People's Republic of), Turkey, Italy, Netherlands, Sweden, Netherlands, Italy, Italy, Germany, United States, China (People's Republic of), Italy, Poland, United Kingdom, Italy, Czech Republic, Czech Republic, France, Denmark, Spain, GermanyPublisher:Elsevier BV Funded by:NSERCNSERCG. Aad; B. Abbott; K. Abeling; N.J. Abicht; S.H. Abidi; A. Aboulhorma; H. Abramowicz; H. Abreu; Y. Abulaiti; A.C. Abusleme Hoffman; B.S. Acharya; C. Adam Bourdarios; L. Adamczyk; L. Adamek; S.V. Addepalli; M.J. Addison; J. Adelman; A. Adiguzel; T. Adye; A.A. Affolder; Y. Afik; M.N. Agaras; J. Agarwala; A. Aggarwal; C. Agheorghiesei; A. Ahmad; F. Ahmadov; W.S. Ahmed; S. Ahuja; X. Ai; G. Aielli; M. Ait Tamlihat; B. Aitbenchikh; I. Aizenberg; M. Akbiyik; T.P.A. Åkesson; A.V. Akimov; D. Akiyama; N.N. Akolkar; K. Al Khoury; G.L. Alberghi; J. Albert; P. Albicocco; G.L. Albouy; S. Alderweireldt; M. Aleksa; I.N. Aleksandrov; C. Alexa; T. Alexopoulos; A. Alfonsi; F. Alfonsi; M. Algren; M. Alhroob; B. Ali; H.M.J. Ali; S. Ali; S.W. Alibocus; M. Aliev; G. Alimonti; W. Alkakhi; C. Allaire; B.M.M. Allbrooke; J.F. Allen; C.A. Allendes Flores; P.P. Allport; A. Aloisio; F. Alonso; C. Alpigiani; M. Alvarez Estevez; A. Alvarez Fernandez; M.G. Alviggi; M. Aly; Y. Amaral Coutinho; A. Ambler; C. Amelung; M. Amerl; C.G. Ames; D. Amidei; S.P. Amor Dos Santos; K.R. Amos; V. Ananiev; C. Anastopoulos; T. Andeen; J.K. Anders; S.Y. Andrean; A. Andreazza; S. Angelidakis; A. Angerami; A.V. Anisenkov; A. Annovi; C. Antel; M.T. Anthony; E. Antipov; M. Antonelli; D.J.A. Antrim; F. Anulli; M. Aoki; T. Aoki; J.A. Aparisi Pozo; M.A. Aparo; L. Aperio Bella; C. Appelt; N. Aranzabal; C. Arcangeletti; A.T.H. Arce; E. Arena; J-F. Arguin; S. Argyropoulos; J.-H. Arling; A.J. Armbruster; O. Arnaez; H. Arnold; Z.P. Arrubarrena Tame; G. Artoni; H. Asada; K. Asai; S. Asai; N.A. Asbah; J. Assahsah; K. Assamagan; R. Astalos; S. Atashi; R.J. Atkin; M. Atkinson; N.B. Atlay; H. Atmani; P.A. Atmasiddha; K. Augsten; S. Auricchio; A.D. Auriol; V.A. Austrup; G. Avolio; K. Axiotis; G. Azuelos; D. Babal; H. Bachacou; K. Bachas; A. Bachiu; F. Backman; A. Badea; P. Bagnaia; M. Bahmani; A.J. Bailey; V.R. Bailey; J.T. Baines; L. Baines; C. Bakalis; O.K. Baker; E. Bakos; D. Bakshi Gupta; R. Balasubramanian; E.M. Baldin; P. Balek; E. Ballabene; F. Balli; L.M. Baltes; W.K. Balunas; J. Balz; E. Banas; M. Bandieramonte; A. Bandyopadhyay; S. Bansal; L. Barak; M. Barakat; E.L. Barberio; D. Barberis; M. Barbero; G. Barbour; K.N. Barends; T. Barillari; M-S. Barisits; T. Barklow; P. Baron; D.A. Baron Moreno; A. Baroncelli; G. Barone; A.J. Barr; J.D. Barr; L. Barranco Navarro; F. Barreiro; J. Barreiro Guimarães da Costa; U. Barron; M.G. Barros Teixeira; S. Barsov; F. Bartels; R. Bartoldus; A.E. Barton; P. Bartos; A. Basan; M. Baselga; A. Bassalat; M.J. Basso; C.R. Basson; R.L. Bates; S. Batlamous; J.R. Batley; B. Batool; M. Battaglia; D. Battulga; M. Bauce;doi: 10.1016/j.physletb.2023.138154 , 10.3204/pubdb-2024-05205 , 10.48550/arxiv.2303.10090 , 10.3204/pubdb-2023-04962
handle: https://repository.ubn.ru.nl/handle/2066/297792 , 11588/953139 , 11245.1/d108a380-6228-4468-8216-b1331f0afdca , 20.500.11851/10783 , 10261/348090 , 2066/297792 , 2434/1023489 , 10481/85352 , 20.500.11770/361180 , 11572/412611 , 11390/1267045 , 2108/342143 , 11590/462047 , 11573/1694189 , 11568/1238807 , 11587/503546 , 11585/953831 , 11582/340795 , 1959.3/477006 , 11571/1518036
doi: 10.1016/j.physletb.2023.138154 , 10.3204/pubdb-2024-05205 , 10.48550/arxiv.2303.10090 , 10.3204/pubdb-2023-04962
handle: https://repository.ubn.ru.nl/handle/2066/297792 , 11588/953139 , 11245.1/d108a380-6228-4468-8216-b1331f0afdca , 20.500.11851/10783 , 10261/348090 , 2066/297792 , 2434/1023489 , 10481/85352 , 20.500.11770/361180 , 11572/412611 , 11390/1267045 , 2108/342143 , 11590/462047 , 11573/1694189 , 11568/1238807 , 11587/503546 , 11585/953831 , 11582/340795 , 1959.3/477006 , 11571/1518036
Parton energy loss in the quark-gluon plasma (QGP) is studied with a measurement of photon-tagged jet production in 1.7 nb$^{-1}$ of Pb+Pb data and 260 pb$^{-1}$ of $pp$ data, both at $\sqrt{s_\mathrm{NN}} = 5.02$ TeV, with the ATLAS detector. The process $pp \to \gamma$+jet+$X$ and its analogue in Pb+Pb collisions is measured in events containing an isolated photon with transverse momentum ($p_\mathrm{T}$) above $50$ GeV and reported as a function of jet $p_\mathrm{T}$. This selection results in a sample of jets with a steeply falling $p_\mathrm{T}$ distribution that are mostly initiated by the showering of quarks. The $pp$ and Pb+Pb measurements are used to report the nuclear modification factor, $R_\mathrm{AA}$, and the fractional energy loss, $S_\mathrm{loss}$, for photon-tagged jets. In addition, the results are compared with the analogous ones for inclusive jets, which have a significantly smaller quark-initiated fraction. The $R_\mathrm{AA}$ and $S_\mathrm{loss}$ values are found to be significantly different between those for photon-tagged jets and inclusive jets, demonstrating that energy loss in the QGP is sensitive to the colour-charge of the initiating parton. The results are also compared with a variety of theoretical models of colour-charge-dependent energy loss. Physics letters / B 846, 138154 - (2023). doi:10.1016/j.physletb.2023.138154 Published by North-Holland Publ., Amsterdam
Archivio Istituziona... arrow_drop_down Archivio istituzionale della ricerca - Università degli Studi di UdineArticle . 2023License: CC BYArchivio della Ricerca - Università di Roma Tor vergataArticle . 2023License: CC BYData sources: Archivio della Ricerca - Università di Roma Tor vergataArchivio della ricerca- Università di Roma La SapienzaArticle . 2023License: CC BYData sources: Archivio della ricerca- Università di Roma La SapienzaArchivio della Ricerca - Università di Roma Tor vergataArticle . 2023Full-Text: https://hdl.handle.net/2108/342143Data sources: Bielefeld Academic Search Engine (BASE)University of Freiburg: FreiDokArticle . 2023Full-Text: https://freidok.uni-freiburg.de/data/254405Data sources: Bielefeld Academic Search Engine (BASE)Queen Mary University of London: Queen Mary Research Online (QMRO)Article . 2023License: CC BYData sources: Bielefeld Academic Search Engine (BASE)University of California: eScholarshipArticle . 2023License: CC BYFull-Text: https://escholarship.org/uc/item/46b43639Data sources: Bielefeld Academic Search Engine (BASE)Recolector de Ciencia Abierta, RECOLECTAArticle . 2023Data sources: Recolector de Ciencia Abierta, RECOLECTAPhysics Letters BArticle . 2023License: CC BYData sources: Universiteit van Amsterdam Digital Academic RepositoryPublikationenserver der Georg-August-Universität GöttingenArticle . 2024Copenhagen University Research Information SystemArticle . 2023Data sources: Copenhagen University Research Information SystemRepository of the Czech Academy of SciencesArticle . 2023Data sources: Repository of the Czech Academy of SciencesGöttingen Research Online PublicationsArticle . 2024Data sources: Göttingen Research Online Publicationsİstinye University Institutional RepositoryArticle . 2023Data sources: İstinye University Institutional RepositoryeScholarship - University of CaliforniaArticle . 2023Data sources: eScholarship - University of CaliforniaPublikationer från Uppsala UniversitetArticle . 2023 . Peer-reviewedData sources: Publikationer från Uppsala UniversitetDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2023 . Peer-reviewedUniversiteit van Amsterdam: Digital Academic Repository (UvA DARE)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)University of Copenhagen: ResearchArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)Archivio Istituzionale dell'Università della CalabriaArticle . 2023Data sources: Archivio Istituzionale dell'Università della CalabriaArchivio della Ricerca - Università degli Studi Roma TreArticle . 2023Data sources: Archivio della Ricerca - Università degli Studi Roma TreArchivio della Ricerca - Università di PisaArticle . 2023Data sources: Archivio della Ricerca - Università di PisaRepositorio Institucional Universidad de GranadaArticle . 2023License: CC BYData sources: Repositorio Institucional Universidad de GranadaPontificia Universidad Católica de Chile: Repositorio UCArticle . 2025Data sources: Bielefeld Academic Search Engine (BASE)Fondazione Bruno Kessler: CINECA IRISArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)Swinburne University of Technology: Swinburne Research BankArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)Archive de l'Observatoire de Paris (HAL)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)Université Savoie Mont Blanc: HALArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)IRIS UNIPV (Università degli studi di Pavia)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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visibility 1visibility views 1 Powered bymore_vert Archivio Istituziona... arrow_drop_down Archivio istituzionale della ricerca - Università degli Studi di UdineArticle . 2023License: CC BYArchivio della Ricerca - Università di Roma Tor vergataArticle . 2023License: CC BYData sources: Archivio della Ricerca - Università di Roma Tor vergataArchivio della ricerca- Università di Roma La SapienzaArticle . 2023License: CC BYData sources: Archivio della ricerca- Università di Roma La SapienzaArchivio della Ricerca - Università di Roma Tor vergataArticle . 2023Full-Text: https://hdl.handle.net/2108/342143Data sources: Bielefeld Academic Search Engine (BASE)University of Freiburg: FreiDokArticle . 2023Full-Text: https://freidok.uni-freiburg.de/data/254405Data sources: Bielefeld Academic Search Engine (BASE)Queen Mary University of London: Queen Mary Research Online (QMRO)Article . 2023License: CC BYData sources: Bielefeld Academic Search Engine (BASE)University of California: eScholarshipArticle . 2023License: CC BYFull-Text: https://escholarship.org/uc/item/46b43639Data sources: Bielefeld Academic Search Engine (BASE)Recolector de Ciencia Abierta, RECOLECTAArticle . 2023Data sources: Recolector de Ciencia Abierta, RECOLECTAPhysics Letters BArticle . 2023License: CC BYData sources: Universiteit van Amsterdam Digital Academic RepositoryPublikationenserver der Georg-August-Universität GöttingenArticle . 2024Copenhagen University Research Information SystemArticle . 2023Data sources: Copenhagen University Research Information SystemRepository of the Czech Academy of SciencesArticle . 2023Data sources: Repository of the Czech Academy of SciencesGöttingen Research Online PublicationsArticle . 2024Data sources: Göttingen Research Online Publicationsİstinye University Institutional RepositoryArticle . 2023Data sources: İstinye University Institutional RepositoryeScholarship - University of CaliforniaArticle . 2023Data sources: eScholarship - University of CaliforniaPublikationer från Uppsala UniversitetArticle . 2023 . Peer-reviewedData sources: Publikationer från Uppsala UniversitetDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2023 . Peer-reviewedUniversiteit van Amsterdam: Digital Academic Repository (UvA DARE)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)University of Copenhagen: ResearchArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)Archivio Istituzionale dell'Università della CalabriaArticle . 2023Data sources: Archivio Istituzionale dell'Università della CalabriaArchivio della Ricerca - Università degli Studi Roma TreArticle . 2023Data sources: Archivio della Ricerca - Università degli Studi Roma TreArchivio della Ricerca - Università di PisaArticle . 2023Data sources: Archivio della Ricerca - Università di PisaRepositorio Institucional Universidad de GranadaArticle . 2023License: CC BYData sources: Repositorio Institucional Universidad de GranadaPontificia Universidad Católica de Chile: Repositorio UCArticle . 2025Data sources: Bielefeld Academic Search Engine (BASE)Fondazione Bruno Kessler: CINECA IRISArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)Swinburne University of Technology: Swinburne Research BankArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)Archive de l'Observatoire de Paris (HAL)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)Université Savoie Mont Blanc: HALArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)IRIS UNIPV (Università degli studi di Pavia)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type 2013Publisher:OpenAlex Georges Aad; T. Abajyan; B. Abbott; J. Weingarten; M. P. Casado; A. A. Abdelalim; O. Abdinov; Goetz Gaycken; P. A. Delsart; M. Abolins; A. Ventura; Halina Abramowicz; Henso Abreu; B. S. Acharya; L. Adamczyk; A. Trzupek; T. N. Addy; J. Adelman; S. Guindon; P. Adragna; T. Adye; S. Aefsky; J. A. Aguilar–Saavedra; B. Stugu; J. Große-Knetter; S. P. Ahlen; F. Ahles; A. Ahmad; M. Ahsan; G. Aielli; T. P. A. Åkesson; S. Jézéquel; R. Lafaye; M. S. Alam; M. A. Alam; J. Albert; K. Jon-And; Martin Aleksa; S. Palestini; F. Alessandria; C. Alexa; G. Alexander; L. Adamczyk; C. Alexa; M. Alhroob; G. Alimonti; G. Alimonti; M. Paulini; B. M. M. Allbrooke; P. P. Allport; S. E. Allwood-Spiers; Dragos Velicanu; Francisco Alonso; R. Alon; A. Alonso; Francisco Alonso; A. Altheimer; Bárbara Álvarez González; Mariagrazia Alviggi; Y. Coadou; Christoph Amelung; V. V. Ammosov; Susana Patricia Amor dos Santos; A. Amorim; N. Amram; C. Anastopoulos; E. Hill; Nansi Andari; T. Andeen; C. F. Anders; G. Anders; K. J. Anderson; A. Andreazza; V. Andrei; P. Laurelli; X. S. Anduaga; A. Angerami; A. Ventura; A. Angerami; S. Tisserant; Alexey Anisenkov; N. Anjos; A. Annovi; A. Antonaki; Mario Antonelli; J. Antos̆; M. Aoki; M. Aoki; S. Aoun; L. Aperio Bella; R. Apolle; G. Arabidze; I. Aracena; Y. Arai; Jean-François Arguin; S. Arfaoui; Jean-François Arguin; S. Argyropoulos; E. Arık;A bstract Se realiza una búsqueda de nuevos fenómenos en eventos con un chorro de alta energía y gran momento transversal faltante utilizando datos de colisiones protón-protón a $ \sqrt{s}=7 $ TeV con el experimento ATLAS en el Gran Colisionador de Hadrones. Se exploran cuatro regiones cinemáticas utilizando un conjunto de datos correspondiente a una luminosidad integrada de 4.7 fb −1 . No se observa un exceso de eventos más allá de las expectativas de los procesos del Modelo Estándar, y se establecen límites en las grandes dimensiones adicionales y la producción de pares de partículas de materia oscura. A bstract A search for new phenomena in events with a high energy jet and large missing transverse momentum is performed using data from proton-proton collisions at $ \sqrt{s}=7 $ TeV with the ATLAS experiment at the Large Hadron Collider. Quatre régions cinématiques sont explorées à l'aide d'un ensemble de données correspondant à une luminosité intégrée de 4,7 fb −1 . Aucun excès d'événements au-delà des attentes des processus du modèle standard n'est observé, et des limites sont fixées pour les grandes dimensions supplémentaires et la production de paires de particules de matière noire. A bstract A search for new phenomena in events with a high-energy jet and large missing transverse momentum is performed using data from proton-proton collisions at $ \sqrt{s}=7 $ TeV with the ATLAS experiment at the Large Hadron Collider. Four kinematic regions are explored using a dataset corresponding to an integrated luminosity of 4.7 fb −1 . No excess of events beyond expectations from Standard Model processes is observed, and limits are set on large extra dimensions and the pair production of dark matter particles. ملخص يتم إجراء البحث عن ظواهر جديدة في الأحداث ذات النفاثة عالية الطاقة والزخم العرضي الكبير المفقود باستخدام بيانات من تصادمات البروتون والبروتون عند $\sqrt{s}=7 $ TeV مع تجربة أطلس في مصادم الهدرونات الكبير. يتم استكشاف أربع مناطق حركية باستخدام مجموعة بيانات تتوافق مع لمعان متكامل قدره 4.7 fb −1 . لم يتم ملاحظة أي زيادة في الأحداث تتجاوز التوقعات من عمليات النموذج القياسي، ويتم تعيين الحدود على أبعاد إضافية كبيرة وإنتاج زوج من جزيئات المادة المظلمة.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type 2007Publisher:OpenAlex V. M. Abazov; B. Abbott; M. Abolins; B. S. Acharya; Mark Raymond Adams; T. Adams; E. Aguiló; S. H. Ahn; M. Ahsan; G. D. Alexeev; G. Alkhazov; A. Alton; G. Hamel de Monchenault; Gilvan Alves; M. Anastasoaie; L. S. Ancu; T. Andeen; S. Anderson; Bernard Andrieu; M. S. Anzelc; Y. Arnoud; M. Arov; Andrew Askew; B. Åsman; A. C.S. Assis Jesus; O. Atramentov; Christian Autermann; C. Ávila; C. Ay; F. Badaud; A. Baden; L. Bagby; B. Baldin; D. V. Bandurin; P. Banerjee; Sw. Banerjee; E. Barberis; Pedrame Bargassa; P. Baringer; C. Barnes; J. Barreto; J.F. Bartlett; U. Bassler; D. Bauer; S. Beale; A. Bean; M. Begalli; M. Begel; C. Bélanger-Champagne; L. Bellantoni; A. Bellavance; J. A. Benitez; S. B. Beri; Gregorio Bernardi; R. Bernhard; L. Berntzon; I. Bertram; Marc Besançon; R. Beuselinck; V. A. Bezzubov; Pushpalatha C Bhat; V. Bhatnagar; M. Binder; C. Biscarat; I. Blackler; G. Blazey; Freya Blekman; S. Blessing; D. Blöch; K. Bloom; Ulrike Blumenschein; A. Boehnlein; T. Bolton; G. Borissov; K. Bos; T. Bose; A. Brandt; R. Brock; G. Brooijmans; A. Bross; D. Brown; N. J. Buchanan; D. Buchholz; M. Buehler; Volker Buescher; S. Burdin; S. Bürke; T. H. Burnett; E. Busato; C. P. Buszello; J. M. Butler; Philippe Calfayan; S. Calvet; J. Cammin; Sascha Caron; W. Carvalho; B. C.K. Casey; N. M. Cason; Heriberto Castilla-Valdez; S. Chakrabarti;Se ha realizado una búsqueda de la producción de pares de quarks escalares superiores, t∼, en 360 pb−1 de datos de colisiones pp¯ a una energía del centro de masa de 1,96 TeV, recopilada por el detector DØ en el colisionador Fermilab Tevatron. El modo de decaimiento t considerado es t~→cχ~10, donde χ~10 es la partícula supersimétrica más ligera. Por lo tanto, la topología analizada consiste en un par de chorros acoplanares de sabor fuerte a los que les falta energía transversal. Los datos y la expectativa del modelo estándar están de acuerdo, y se ha determinado un dominio de exclusión de C.L. del 95% en el plano (mt~, mχ ~10), extendiendo el dominio excluido por experimentos anteriores. Une recherche de la production de paires de quarks supérieurs scalaires, t∼, a été effectuée dans 360 pb−1 de données de collisions pp¯ à une énergie de centre de masse de 1,96 TeV, collectées par le détecteur DØ au collisionneur Fermilab Tevatron. Le mode de décroissance t∼ considéré est t∼→cχ∼10, où χ∼10 est la particule supersymétrique la plus légère. La topologie analysée consiste donc en une paire de jets de saveurs lourdes acoplanaires à énergie transverse manquante. Les données et les attentes du modèle standard sont en accord, et un domaine d'exclusion de 95% C.L. dans le plan (mt∼,mχ∼10) a été déterminé, étendant le domaine exclu par les expériences précédentes. A search for the pair production of scalar top quarks, t˜, has been performed in 360 pb−1 of data from pp¯ collisions at a center-of-mass energy of 1.96 TeV, collected by the DØ detector at the Fermilab Tevatron collider. The t˜ decay mode considered is t˜→cχ˜10, where χ˜10 is the lightest supersymmetric particle. The topology analyzed therefore consists of a pair of acoplanar heavy-flavor jets with missing transverse energy. The data and standard model expectation are in agreement, and a 95% C.L. exclusion domain in the (mt˜,mχ˜10) plane has been determined, extending the domain excluded by previous experiments. تم إجراء بحث عن إنتاج الزوج من الكواركات العلوية العددية، t، في 360 pb-1 من البيانات من الاصطدامات pp عند طاقة مركز الكتلة البالغة 1.96 تيرا إلكترون فولت، والتي تم جمعها بواسطة كاشف DØ في مصادم Fermilab Tevatron. وضع الاضمحلال الذي تم النظر فيه→ هو10، حيث 10 هو أخف جسيم فائق التناظر. وبالتالي، فإن الطوبولوجيا التي تم تحليلها تتكون من زوج من نفاثات النكهة الثقيلة المستوية مع طاقة مستعرضة مفقودة. تتوافق البيانات وتوقعات النموذج القياسي، وقد تم تحديد مجال استبعاد CL بنسبة 95 ٪ في مستوى (mt?, mχ? 10)، مما يوسع النطاق المستبعد من التجارب السابقة.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type 2008Publisher:OpenAlex V. M. Abazov; B. Abbott; M. Abolins; B. S. Acharya; Mark Raymond Adams; T. Adams; E. Aguiló; S. H. Ahn; M. Ahsan; G. D. Alexeev; G. Alkhazov; A. Alton; G. Hamel de Monchenault; G. A. Alves; M. Anastasoaie; L. S. Ancu; T. Andeen; S. Anderson; Bernard Andrieu; M. S. Anzelc; Masato Aoki; Y. Arnoud; M. Arov; M. Arthaud; Andrew Askew; B. Åsman; A. C.S. Assis Jesus; O. Atramentov; C. Ávila; C. Ay; F. Badaud; A. Baden; L. Bagby; B. Baldin; D. V. Bandurin; P. Banerjee; Sw. Banerjee; E. Barberis; A. F. Barfuss; Pedrame Bargassa; P. Baringer; J. Barreto; J. F. Bartlett; U. Bassler; D. Bauer; S. Beale; A. Bean; M. Begalli; M. Begel; C. Bélanger-Champagne; L. Bellantoni; A. Bellavance; J. A. Benitez; Suman Bala Beri; Gregorio Bernardi; R. Bernhard; I. Bertram; Marc Besançon; R. Beuselinck; V. A. Bezzubov; Pushpalatha C Bhat; V. Bhatnagar; C. Biscarat; G. Blazey; Freya Blekman; S. Blessing; D. Blöch; K. Bloom; A. Boehnlein; D. Boline; T. Bolton; G. Borissov; Tulika Bose; A. Brandt; R. Brock; G. Brooijmans; A. Bross; D. Brown; N. J. Buchanan; D. Buchholz; M. Buehler; Volker Buescher; V. Bunichev; S. Burdin; S. Bürke; T. H. Burnett; C. P. Buszello; J. M. Butler; Philippe Calfayan; S. Calvet; J. Cammin; W. Carvalho; B. C.K. Casey; Heriberto Castilla-Valdez; S. Chakrabarti; D. Chakraborty; K. M. Chan; K. Chan; A. Chandra; F. Charles;Nous présentons une recherche pour la production de paires de quarks supérieurs scalaires, t∼, en utilisant 995 pb−1 de données collectées dans des collisions pp¯ avec le détecteur DØ au collisionneur Fermilab Tevatron à s=1,96TeV. On suppose que les deux quarks supérieurs scalaires se décomposent en un quark charm et un neutralino (χ∼10), où χ∼10 est la particule supersymétrique la plus légère. Cela conduit à un état final avec deux jets de charme acoplanaires et une énergie transversale manquante. Nous trouvons que le rendement de tels événements est cohérent avec l'attente du modèle standard, et excluons les ensembles de masses t∼ et χ∼10 au C.L. à 95 % qui étendent considérablement le domaine exclu par les recherches précédentes. Presentamos una búsqueda de la producción de pares de quarks escalares superiores, t∼, utilizando 995 pb−1 de datos recopilados en colisiones pp¯ con el detector DØ en el colisionador de tevatrones Fermilab a s=1,96TeV. Se supone que ambos quarks escalares top se descomponen en un quark encanto y un neutralino (χ∼10), donde χ∼10 es la partícula supersimétrica más ligera. Esto conduce a un estado final con dos chorros de encanto acoplanar y falta de energía transversal. Encontramos que el rendimiento de tales eventos es consistente con la expectativa del modelo estándar y excluye conjuntos de masas t∼ y χ∼10 en el CL del 95% que extienden sustancialmente el dominio excluido por búsquedas anteriores. We present a search for the pair production of scalar top quarks, t˜, using 995 pb−1 of data collected in pp¯ collisions with the DØ detector at the Fermilab Tevatron Collider at s=1.96TeV. Both scalar top quarks are assumed to decay into a charm quark and a neutralino (χ˜10), where χ˜10 is the lightest supersymmetric particle. This leads to a final state with two acoplanar charm jets and missing transverse energy. We find the yield of such events to be consistent with the standard model expectation, and exclude sets of t˜ and χ˜10 masses at the 95% C.L. that substantially extend the domain excluded by previous searches. نقدم بحثًا عن إنتاج الزوج من الكواركات العليا العددية، باستخدام 995 pb-1 من البيانات التي تم جمعها في الاصطدامات مع كاشف DØ في مصادم Fermilab Tevatron في s=1.96TeV. من المفترض أن يتحلل كل من الكواركات العليا العددية إلى كوارك ساحر ومحايد (χ 10)، حيث χ 10 هو أخف جسيم فائق التناظر. وهذا يؤدي إلى حالة نهائية مع نفاثتين سحريتين مستويتين وطاقة عرضية مفقودة. نجد أن ناتج مثل هذه الأحداث يتوافق مع توقعات النموذج القياسي، ونستبعد مجموعات من كتلتي T و χ 10 عند 95 ٪ CL التي توسع المجال المستبعد بشكل كبير من خلال عمليات البحث السابقة.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type 2015Publisher:OpenAlex Georges Aad; B. Abbott; J. Abdallah; O. Abdinov; R. Aben; M. Abolins; O. S. AbouZeid; Halina Abramowicz; Henso Abreu; R. Abreu; Yiming Abulaiti; B. S. Acharya; L. Adamczyk; T. Adams; J. Adelman; S. Adomeit; T. Adye; A. Affolder; T. Agatonović-Jovin; Juan Antonio Aguilar-Saavedra; S. P. Ahlen; Faig Ahmadov; Giulio Aielli; H. Åkerstedt; T. P. A. Åkesson; G. Akimoto; A. V. Akimov; Gian Luigi Alberghi; J. Albert; S. Albrand; M. J. Alconada Verzini; Martin Aleksa; I. N. Aleksandrov; C. Alexa; G. Alexander; Theodoros Alexopoulos; Muhammad Alhroob; G. Alimonti; L. Alio; John Alison; Steven Patrick Alkire; B. M. M. Allbrooke; Phillip Allport; A. Aloisio; A. Alonso; Francisco Alonso; Cristiano Alpigiani; A. Altheimer; Barbara Álvarez González; D. Álvarez Piqueras; M. G. Alviggi; Brian Thomas Amadio; K. Amako; Yara Amaral Coutinho; Christoph Amelung; D. Amidei; Susana Patricia Amor dos Santos; A. Amorim; Simone Amoroso; N. Amram; G. Amundsen; Christos Anastopoulos; L. S. Ancu; Nansi Andari; T. Andeen; C. F. Anders; G. Anders; John Kenneth Anders; K. J. Anderson; A. Andreazza; V. Andrei; Stylianos Angelidakis; I. Angelozzi; P. Anger; Aaron Angerami; F. Anghinolfi; Alexey Anisenkov; N. Anjos; A. Annovi; M. Antonelli; J. Antoš; F. Anulli; Masato Aoki; L. Aperio Bella; G. Arabidze; Y. Arai; J. P. Araque; Ayana Tamu Arce; Francisco Anuar Arduh; J-F. Arguin; Spyridon Argyropoulos; M. Arık; A. J. Armbruster; Olivier Arnaez; V. Arnal; Hannah Arnold; M. Arratia; O. Arslan; Alexander Artamonov;Les résultats d'une recherche de nouveaux phénomènes dans des événements avec une grande quantité de mouvement transverse manquante et un boson de Higgs se désintégrant en deux photons sont rapportés. Les données des collisions proton-proton à une énergie de centre de masse de 8 TeV et correspondant à une luminosité intégrée de $ 20.3\text{ }\ text {} {\mathrm{fb}}^{\ ensuremath {-}1}$ ont été collectées avec le détecteur ATLAS au LHC. Les données observées sont bien décrites par les arrière-plans attendus du modèle standard. Des limites supérieures sur la section transversale des événements avec un grand élan transversal manquant et un candidat boson de Higgs sont également placées. Les limites d'exclusion sont présentées pour les modèles de physique au-delà du modèle standard présentant des candidats de matière noire. Se informan los resultados de una búsqueda de nuevos fenómenos en eventos con gran momento transversal faltante y un bosón de Higgs en descomposición a dos fotones. Los datos de las colisiones protón-protón a una energía del centro de masa de 8 TeV y correspondientes a una luminosidad integrada de $ 20.3\text{ }\ text {} {\mathrm{fb}}^{\ ensuremath {-}1}$ se han recopilado con el detector ATLAS en el LHC. Los datos observados están bien descritos por los antecedentes del modelo estándar esperado. También se colocan límites superiores en la sección transversal de eventos con gran falta de impulso transversal y un candidato al bosón de Higgs. Los límites de exclusión se presentan para modelos de física más allá del modelo estándar con candidatos de materia oscura. Results of a search for new phenomena in events with large missing transverse momentum and a Higgs boson decaying to two photons are reported. Data from proton-proton collisions at a center-of-mass energy of 8 TeV and corresponding to an integrated luminosity of $20.3\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ have been collected with the ATLAS detector at the LHC. The observed data are well described by the expected standard model backgrounds. Upper limits on the cross section of events with large missing transverse momentum and a Higgs boson candidate are also placed. Exclusion limits are presented for models of physics beyond the standard model featuring dark-matter candidates. تم الإبلاغ عن نتائج البحث عن ظواهر جديدة في أحداث ذات زخم عرضي كبير مفقود وبوزون هيغز يتحلل إلى فوتونين. تم جمع البيانات من اصطدامات البروتون- البروتون عند طاقة مركز الكتلة البالغة 8 تيرا إلكترون فولت والمطابقة لمعان متكامل قدره 20.3 $\ text{}\ text {} {\ mathrm {fb }}^{\ ensuremath{-} 1 }$ باستخدام كاشف أطلس في مصادم الهدرونات الكبير. يتم وصف البيانات المرصودة بشكل جيد من خلال خلفيات النموذج القياسي المتوقعة. يتم أيضًا وضع حدود عليا على المقطع العرضي للأحداث ذات الزخم العرضي الكبير المفقود ومرشح بوزون هيغز. يتم تقديم حدود الاستبعاد لنماذج الفيزياء التي تتجاوز النموذج القياسي الذي يضم مرشحين للمادة المظلمة.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type 2014Publisher:OpenAlex Georges Aad; B. Abbott; J. Weingarten; M. P. Casado; O. Abdinov; Goetz Gaycken; P. A. Delsart; M. Abolins; Goetz Gaycken; Halina Abramowicz; Henso Abreu; Jos Vermeulen; Yiming Abulaiti; B. S. Acharya; L. Adamczyk; A. Trzupek; J. Adelman; S. Guindon; T. Adye; T. Agatonović-Jovin; J. A. Aguilar–Saavedra; B. Stugu; S. P. Ahlen; Faig Ahmadov; G. Aielli; H. Åkerstedt; T. P. A. Åkesson; S. Jézéquel; A. V. Akimov; Gian Luigi Alberghi; J. Albert; K. Jon-And; María Josefina Alconada Verzini; Martin Aleksa; S. Palestini; C. Alexa; G. Alexander; L. Adamczyk; T. Alexopoulos; M. Alhroob; G. Alimonti; L. Alio; A. Lister; B. M. M. Allbrooke; T. Adye; P. P. Allport; Francisco Alonso; A. Alonso; Francisco Alonso; Cristiano Alpigiani; A. Altheimer; Bárbara Álvarez González; Mariagrazia Alviggi; Y. Coadou; Yara Amaral Coutinho; Christoph Amelung; D. Amidei; Susana Patricia Amor dos Santos; A. Amorim; Simone Amoroso; N. Amram; A. Rozanov; C. Anastopoulos; E. Hill; Nansi Andari; T. Andeen; C. F. Anders; G. Anders; K. J. Anderson; A. Andreazza; V. Andrei; X. S. Anduaga; A. Angerami; N. Hod; A. Ventura; A. Angerami; S. Tisserant; Alexey Anisenkov; N. Anjos; A. Annovi; A. Antonaki; Mario Antonelli; J. Antos̆; M. Aoki; M. Aoki; L. Aperio Bella; R. Apolle; G. Arabidze; I. Aracena; Y. Arai; J. P. Araque; Jean-François Arguin; F. A. Arduh; Jean-François Arguin; S. Argyropoulos; M. Arik; Aaron James Armbruster; O. Arnaez; P. Pralavorio;Une recherche a été effectuée, en utilisant l'échantillon complet de données $ 20.3\text{ }\text {} {\mathrm{fb}}^{\ ensuremath {-}1}$ de 8 collisions proton-proton TeV collectées en 2012 avec le détecteur ATLAS du LHC, pour les photons provenant d'un sommet déplacé en raison de la désintégration d'une particule neutre à longue durée de vie en un photon et une particule invisible. L'analyse examine le diphoton et l'état final de la quantité de mouvement transverse manquant, et est donc la plus sensible à la production de paires de particules à longue durée de vie. La technique d'analyse exploite les capacités du calorimètre électromagnétique ATLAS pour effectuer des mesures précises de la direction de vol, ainsi que du temps de vol, des photons. Aucun excès n'est observé par rapport aux prédictions du modèle standard pour le contexte. Les limites d'exclusion sont définies dans le contexte des modèles de rupture de supersymétrie à médiation par jauge, le neutrino le plus léger étant la particule supersymétrique la plus proche et se décomposant en un photon et un gravitino avec une durée de vie comprise entre 250 ps et environ 100 ns. Se ha realizado una búsqueda, utilizando la muestra de datos completa de $ 20.3\text{ }\ text {} {\mathrm{fb}}^{\ ensuremath {-}1}$ de 8 colisiones protón-protón TeV recolectadas en 2012 con el detector ATLAS en el LHC, para fotones que se originan en un vértice desplazado debido a la descomposición de una partícula neutra de larga vida en un fotón y una partícula invisible. El análisis investiga el difotón más el estado final del momento transversal faltante y, por lo tanto, es más sensible a la producción de pares de partículas de larga vida. La técnica de análisis aprovecha las capacidades del calorímetro electromagnético ATLAS para realizar mediciones precisas de la dirección de vuelo, así como del tiempo de vuelo, de los fotones. No se observa exceso sobre las predicciones del Modelo Estándar para el fondo. Los límites de exclusión se establecen en el contexto de los modelos de ruptura de supersimetría mediados por gauge, siendo el neutralino más ligero la partícula supersimétrica más próxima a la más ligera y descomponiéndose en un fotón y gravitino con una vida útil en el rango de 250 ps a aproximadamente 100 ns. A search has been performed, using the full $20.3\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ data sample of 8 TeV proton-proton collisions collected in 2012 with the ATLAS detector at the LHC, for photons originating from a displaced vertex due to the decay of a neutral long-lived particle into a photon and an invisible particle. The analysis investigates the diphoton plus missing transverse momentum final state, and is therefore most sensitive to pair production of long-lived particles. The analysis technique exploits the capabilities of the ATLAS electromagnetic calorimeter to make precise measurements of the flight direction, as well as the time of flight, of photons. No excess is observed over the Standard Model predictions for background. Exclusion limits are set within the context of gauge mediated supersymmetry breaking models, with the lightest neutralino being the next-to-lightest supersymmetric particle and decaying into a photon and gravitino with a lifetime in the range from 250 ps to about 100 ns. تم إجراء بحث، باستخدام عينة بيانات كاملة بقيمة 20.3 دولارًا\text {}\ text {} {\ mathrm{fb }}^{\ ensuremath {-} 1}دولار من 8 اصطدامات بروتون- بروتون تيف تم جمعها في عام 2012 مع كاشف أطلس في مصادم الهادرونات الكبير، للفوتونات الناشئة من قمة متبدلة بسبب اضمحلال جسيم محايد طويل العمر إلى فوتون وجسيم غير مرئي. يبحث التحليل في الحالة النهائية للزخم المستعرض المفقود، وبالتالي فهو أكثر حساسية لإنتاج زوج من الجسيمات طويلة العمر. تستغل تقنية التحليل قدرات المسعر الكهرومغناطيسي أطلس لإجراء قياسات دقيقة لاتجاه الطيران، وكذلك وقت الطيران، للفوتونات. لم يلاحظ أي زيادة على تنبؤات النموذج القياسي للخلفية. يتم تعيين حدود الاستبعاد في سياق نماذج كسر التناظر الفائق بوساطة المقياس، مع كون المحايد الأخف وزنًا هو الجسيم الفائق التناظر التالي للأخف وزنًا ويتحلل إلى فوتون وجرافيتينو مع عمر يتراوح من 250 ps إلى حوالي 100 ns.
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