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Measurement of differential cross sections of isolated-photon plus heavy-flavour jet production in pp collisions at $\sqrt{s}=8$ TeV using the ATLAS detector

descriptionPublicationkeyboard_double_arrow_right Article , Research , Report , Preprint , Journal , Other literature type 01 Jan 2017Embargo end date: 01 Jan 2017 Italy, Italy, Italy, South Africa, Italy, United Kingdom, Italy, United Kingdom, Italy, Germany, South Africa, Italy, United Kingdom, Turkey, France, Germany, Italy, United Kingdom, Germany, United Kingdom, Turkey, Italy, Italy, Italy Publisher:arXivJournal:Physics Letters B (issn: 0370-2693,

Authors: Aaboud, M.; Aad, G.; Abbott, B.; Abdinov, O.; Abeloos, B.; Abidi, S.H.; AbouZeid, O.S.; +193 Authors

Aaboud, M.; Aad, G.; Abbott, B.; Abdinov, O.; Abeloos, B.; Abidi, S.H.; AbouZeid, O.S.; Abraham, N.L.; Abramowicz, H.; Abreu, H.; Abreu, R.; Abulaiti, Y.; Acharya, B.S.; Adachi, S.; Adamczyk, L.; Adelman, J.; Adersberger, M.; Adye, T.; Affolder, A.A.; Afik, Y.; Agheorghiesei, C.; Aguilar-Saavedra, J.A.; Ahlen, S.P.; Ahmadov, F.; Aielli, G.; Akatsuka, S.; Akerstedt, H.; Åkesson, T.P.A.; Akilli, E.; Akimov, A.V.; Alberghi, G.L.; Albert, J.; Albicocco, P.; Alconada Verzini, M.J.; Alderweireldt, S.C.; Aleksa, M.; Aleksandrov, I.N.; Alexa, C.; Alexander, G.; Alexopoulos, T.; Alhroob, M.; Ali, B.; Aliev, M.; Alimonti, G.; Alison, J.; Alkire, S.P.; Allbrooke, B.M.M.; Allen, B.W.; Allport, P.P.; Aloisio, A.; Alonso, A.; Alonso, F.; Alpigiani, C.; Alshehri, A.A.; Alstaty, M.I.; Alvarez Gonzalez, B.; Álvarez Piqueras, D.; Alviggi, M.G.; Amadio, B.T.; Amaral Coutinho, Y.; Amelung, C.; Amidei, D.; Amor Dos Santos, S.P.; Amoroso, S.; Anastopoulos, C.; Ancu, L.S.; Andari, N.; Andeen, T.; Anders, C.F.; Anders, J.K.; Anderson, K.J.; Andreazza, A.; Andrei, V.; Angelidakis, S.; Angelozzi, I.; Angerami, A.; Anisenkov, A.V.; Anjos, N.; Annovi, A.; Antel, C.; Antonelli, M.; Antonov, A.; Antrim, D.J.; Anulli, F.; Aoki, M.; Aperio Bella, L.; Arabidze, G.; Arai, Y.; Araque, J.P.; Araujo Ferraz, V.; Arce, A.T.H.; Ardell, R.E.; Arduh, F.A.; Arguin, J-F.; Argyropoulos, S.; Arik, M.; Armbruster, A.J.; Armitage, L.J.; Arnaez, O.; Arnold, H.; Arratia, M.; Arslan, O.; Artamonov, A.; Artoni, G.; Artz, S.; Asai, S.; Asbah, N.; Ashkenazi, A.; Asquith, L.; Assamagan, K.; Astalos, R.; Atkinson, M.; Atlay, N.B.; Augsten, K.; Avolio, G.; Axen, B.; Ayoub, M.K.; Azuelos, G.; Baas, A.E.; Baca, M.J.; Bachacou, H.; Bachas, K.; Backes, M.; Bagnaia, P.; Bahmani, M.; Bahrasemani, H.; Baines, J.T.; Bajic, M.; Baker, O.K.; Bakker, P.J.; Baldin, E.M.; Balek, P.; Balli, F.; Balunas, W.K.; Banas, E.; Bandyopadhyay, A.; Banerjee, Sw.; Bannoura, A.A.E.; Barak, L.; Barberio, E.L.; Barberis, D.; Barbero, M.; Barillari, T.; Barisits, M-S; Barkeloo, J.T.; Barklow, T.; Barlow, N.; Barnes, S.L.; Barnett, B.M.; Barnett, R.M.; Barnovska-Blenessy, Z.; Baroncelli, A.; Barone, G.; Barr, A.J.; Barranco Navarro, L.; Barreiro, F.; Barreiro Guimarães da Costa, J.; Bartoldus, R.; Barton, A.E.; Bartos, P.; Basalaev, A.; Bassalat, A.; Bates, R.L.; Batista, S.J.; Batley, J.R.; Battaglia, M.; Bauce, M.; Bauer, F.; Bauer, K.T.; Bawa, H.S.; Beacham, J.B.; Beattie, M.D.; Beau, T.; Beauchemin, P.H.; Bechtle, P.; Beck, H.P.; Beck, H.C.; Becker, K.; Becker, M.; Becot, C.; Beddall, A.J.; Beddall, A.; Bednyakov, V.A.; Bedognetti, M.; Bee, C.P.; Beermann, T.A.; Begalli, M.; Begel, M.; Behr, J.K.; Bell, A.S.; Bella, G.; Bellagamba, L.; Bellerive, A.; Bellomo, M.; Belotskiy, K.; Beltramello, O.; Belyaev, N.L.; Benary, O.; Benchekroun, D.; Bender, M.;

Measurement of differential cross sections of isolated-photon plus heavy-flavour jet production in pp collisions at $\sqrt{s}=8$ TeV using the ATLAS detector

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Abstract

This Letter presents the measurement of differential cross sections of isolated prompt photons produced in association with a b-jet or a c-jet. These final states provide sensitivity to the heavy-flavour content of the proton and aspects related to the modelling of heavy-flavour quarks in perturbative QCD. The measurement uses proton--proton collision data at a centre-of-mass energy of 8 TeV recorded by the ATLAS detector at the LHC in 2012 corresponding to an integrated luminosity of up to 20.2 fb$^{-1}$. The differential cross sections are measured for each jet flavour with respect to the transverse energy of the leading photon in two photon pseudorapidity regions: $|\eta^\gamma|<1.37$ and $1.56

Journal of high energy physics 1, 38 (2017).

Published by Springer, Berlin

Countries

Italy, Italy, Italy, South Africa, Italy, United Kingdom, Italy, United Kingdom, Italy, Germany, South Africa, Italy, United Kingdom, Turkey, France, Germany, Italy, United Kingdom, Germany, United Kingdom, Turkey, Italy, Italy, Italy

Related Organizations

Lawrence Berkeley National Laboratory
United States
University of Milan
Italy
University of Freiburg
Germany
University of Toronto
Canada
UNIVERSITE PARIS DESCARTES
France

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Keywords

0 [higher-order], transverse energy [photon], charm [jet], Settore FIS/04 - Fisica Nucleare e Subnucleare, High Energy Physics - Experiment, rapidity dependence, High Energy Physics - Experiment (hep-ex), jet: charm, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], INTRINSIC CHARM; SHOWERS; PROTON; LHC, Settore ING-INF/07 - Misure Elettriche e Elettroniche, scattering [p p], two-photon, photon: transverse energy, 8000 GeV-cms, higher-order: 0, Physics, ddc:530, Settore FIS/01 - Fisica Sperimentale, perturbation theory: higher-order, higher-order: 1, jet: flavor, flavor [jet], ATLAS, bottom [jet], Settore FIS/01 - FISICA SPERIMENTALE, photon: direct production, CERN LHC Coll, hadroproduction [jet], colliding beams [p p], jet: bottom, jet [heavy quark], Particle Physics - Experiment, 1 [higher-order], perturbation theory [quantum chromodynamics], Nuclear and High Energy Physics, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], direct production [photon], QC1-999, 610, FOS: Physical sciences, 530, energy dependence, differential cross section: measured, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], measured [differential cross section], ratio [channel cross section], quantum chromodynamics: perturbation theory, 500, Intrinsic charm; showers; proton; LHC, jet: hadroproduction, sensitivity, higher-order [perturbation theory], heavy quark: jet, p p: colliding beams, channel cross section: ratio, experimental results, ddc: ddc:530

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