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Comparison of inclusive and photon-tagged jet suppression in 5.02 TeV Pb+Pb collisions with ATLAS

Name: Comparison of inclusive and photon-tagged jet suppression in 5.02 TeV Pb+Pb collisions with ATLAS
Keywords: Fractional, jet: suppression, GeV, Atomic, Nucleon, High Energy Physics - Experiment, Subatomär fysik, High Energy Physics - Experiment (hep-ex), Particle and Plasma Physics, jet

descriptionPublicationkeyboard_double_arrow_right Article , Research , Preprint , Other literature type 01 Nov 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, Germany Publisher:Elsevier BVJournal:Physics Letters B, volume 846, page 138,154 (issn: 0370-2693,

Authors: G. Aad; B. Abbott; K. Abeling; N.J. Abicht; S.H. Abidi; A. Aboulhorma; H. Abramowicz; +193 Authors

G. 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

arXiv: 2303.10090 , http://arxiv.org/abs/2303.10090

Comparison of inclusive and photon-tagged jet suppression in 5.02 TeV Pb+Pb collisions with ATLAS

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Abstract

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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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, Germany

Related Organizations

University of Chicago
United States
University of Milan
Italy
University of Freiburg
Germany
Peking University
China (People's Republic of)
Grenoble Alpes University
France

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Keywords

Fractional, jet: suppression, GeV, Atomic, Nucleon, High Energy Physics - Experiment, Subatomär fysik, High Energy Physics - Experiment (hep-ex), Particle and Plasma Physics, jet, Subatomic Physics, quark gluon, plasma, jet, production, parton, Nuclear Experiment (nucl-ex), info:eu-repo/classification/ddc/530, Nuclear Experiment, Monte Carlo, Mathematical Physics, Transverse momentum, quark gluon: plasma, Brookhaven RHIC Coll, Settore FIS/01, Jet: production, photon: production, Physics, photon, Particle physics, nucleon, Particle and High Energy Physics, Quark gluon: plasma, suppression, Numerical calculations, ATLAS, PHENIX, Nuclear and Plasma Physics, Nuclear & Particles Physics, Physical sciences, CERN LHC Coll, jet: production, parton, energy loss, Physical Sciences, Quark, Astronomical and Space Sciences, jet, suppression, energy loss [parton], [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], energy loss, QC1-999, Mathematical sciences, FOS: Physical sciences, Glauber, LHC, ATLAS, High Energy Physics, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], transverse momentum, Relativistic heavy ions, Photon: production, 530, info:eu-repo/classification/ddc/500.2, Nucleus, quark, 539, info:eu-repo/classification/ddc/025.063, TeV, Nuclear, High Energy Physics, High energy physics, numerical calculations, Jet: suppression, quark gluon, plasma, lead, nucleus, [No Keywords], 500, Molecular, Parton: energy loss, Lead, Hadron, Experimental High Energy Physics, fractional, HEP; quark-gluon plasma; Pb-Pb collisions; LHC; ATLAS, parton: energy loss, production, hadron

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Comparison Of Inclusive And Photon-Tagged Jet Suppression In 5.02 Tev Pb+Pb Collisions With Atlas
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