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

TitleComparison of inclusive and photon-tagged jet suppression in 5.02 TeV Pb+Pb collisions with ATLAS
Authors
Issue Date22-Sep-2023
PublisherElsevier
Citation
Physics Letters B, 2023, v. 846, p. 1-27 How to Cite?
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 root sNN = 5.02 TeV, with the ATLAS detector. The process pp -> gamma +jet+X and its analogue in Pb+Pb collisions is measured in events containing an isolated photon with transverse momentum (pT) above 50 GeV and reported as a function of jet pT. This selection results in a sample of jets with a steeply falling pT distribution that are mostly initiated by the showering of quarks. The pp and Pb+Pb measurements are used to report the nuclear modification factor, RAA, and the fractional energy loss, Sloss, 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 RAA and Sloss 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.


Persistent Identifierhttp://hdl.handle.net/10722/340006
ISSN
2023 Impact Factor: 4.3
2023 SCImago Journal Rankings: 1.593
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorAad, G-
dc.contributor.authorAbbott, B-
dc.contributor.authorAbeling, K-
dc.contributor.authorAbicht, NJ-
dc.contributor.authorAbidi, SH-
dc.contributor.authorAboulhorma, A-
dc.contributor.authorAbramowicz, H-
dc.contributor.authorAbreu, H-
dc.contributor.authorAbulaiti, Y-
dc.contributor.authorAcharya, BS-
dc.contributor.authorBourdarios, CA-
dc.contributor.authorAdamczyk, L-
dc.contributor.authorAddepalli, SV-
dc.contributor.authorAddison, MJ-
dc.contributor.authorAdelman, J-
dc.contributor.authorAdiguzel, A-
dc.contributor.authorAdye, T-
dc.contributor.authorAffolder, AA-
dc.contributor.authorAfik, Y-
dc.contributor.authorAgaras, MN-
dc.contributor.authorAgarwala, J-
dc.contributor.authorAggarwal, A-
dc.contributor.authorAgheorghiesei, C-
dc.contributor.authorAhmad, A-
dc.contributor.authorAhmadov, F-
dc.contributor.authorAhmed, WS-
dc.contributor.authorAhuja, S-
dc.contributor.authorAi, X-
dc.contributor.authorAielli, G-
dc.contributor.authorAikot, A-
dc.contributor.authorTamlihat, MA-
dc.contributor.authorAitbenchikh, B-
dc.contributor.authorAizenberg, I-
dc.contributor.authorAkbiyik, M-
dc.contributor.authorÅkesson, TPA-
dc.contributor.authorAkimov, AV-
dc.contributor.authorAkiyama, D-
dc.contributor.authorAkolkar, NN-
dc.contributor.authorAl, Khoury K-
dc.contributor.authorAlberghi, GL-
dc.contributor.authorAlbert, J-
dc.contributor.authorAlbicocco, P-
dc.contributor.authorAlbouy, GL-
dc.contributor.authorAlderweireldt, S-
dc.contributor.authorAleksa, M-
dc.contributor.authorAleksandrov, IN-
dc.contributor.authorAlexa, C-
dc.contributor.authorAlexopoulos, T-
dc.contributor.authorAlfonsi, F-
dc.contributor.authorAlgren, M-
dc.contributor.authorAlhroob, M-
dc.contributor.authorAli, B-
dc.contributor.authorAli, HMJ-
dc.contributor.authorAli, S-
dc.contributor.authorAlibocus, SW-
dc.contributor.authorAliev, M-
dc.contributor.authorAlimonti, G-
dc.contributor.authorAlkakhi, W-
dc.contributor.authorAllaire, C-
dc.contributor.authorAllbrooke, BMM-
dc.contributor.authorAllen, JF-
dc.contributor.authorFlores, CAA-
dc.contributor.authorAllport, PP-
dc.contributor.authorAloisio, A-
dc.contributor.authorAlonso, F-
dc.contributor.authorAlpigiani, C-
dc.contributor.authorEstevez, MA-
dc.contributor.authorFernandez, AA-
dc.contributor.authorCardoso, MA-
dc.contributor.authorAlviggi, MG-
dc.contributor.authorAly, M-
dc.contributor.authorCoutinho, YA-
dc.contributor.authorAmbler, A-
dc.contributor.authorAmelung, C-
dc.contributor.authorAmerl, M-
dc.contributor.authorAmes, CG-
dc.contributor.authorAmidei, D-
dc.contributor.authorDos, Santos SPA-
dc.contributor.authorAmos, KR-
dc.contributor.authorAnaniev, V-
dc.contributor.authorAnastopoulos, C-
dc.contributor.authorAndeen, T-
dc.contributor.authorAnders, JK-
dc.contributor.authorAndrean, SY-
dc.contributor.authorAndreazza, A-
dc.contributor.authorAngelidakis, S-
dc.contributor.authorAngerami, A-
dc.contributor.authorAnisenkov, AV-
dc.contributor.authorAnnovi, A-
dc.contributor.authorAntel, C-
dc.contributor.authorAnthony, MT-
dc.contributor.authorAntipov, E-
dc.contributor.authorAntonelli, M-
dc.contributor.authorAnulli, F-
dc.contributor.authorAoki, M-
dc.contributor.authorAoki, T-
dc.contributor.authorPozo, JAA-
dc.contributor.authorAparo, MA-
dc.contributor.authorBella, LA-
dc.contributor.authorAppelt, C-
dc.contributor.authorApyan, A-
dc.contributor.authorAranzabal, N-
dc.contributor.authorVal, SJA-
dc.contributor.authorArcangeletti, C-
dc.contributor.authorArce, ATH-
dc.contributor.authorArena, E-
dc.contributor.authorArguin, JF-
dc.contributor.authorArgyropoulos, S-
dc.contributor.authorArling, JH-
dc.contributor.authorArnaez, O-
dc.contributor.authorArnold, H-
dc.contributor.authorArtoni, G-
dc.contributor.authorAsada, H-
dc.contributor.authorAsai, K-
dc.contributor.authorAsai, S-
dc.contributor.authorAsbah, NA-
dc.contributor.authorAssahsah, J-
dc.contributor.authorAssamagan, K-
dc.contributor.authorAstalos, R-
dc.contributor.authorAtashi, S-
dc.contributor.authorAtkin, RJ-
dc.contributor.authorAtkinson, M-
dc.contributor.authorAtmani, H-
dc.contributor.authorAtmasiddha, PA-
dc.contributor.authorAugsten, K-
dc.contributor.authorAuricchio, S-
dc.contributor.authorAuriol, AD-
dc.contributor.authorAustrup, VA-
dc.contributor.authorAvolio, G-
dc.contributor.authorAxiotis, K-
dc.contributor.authorAzuelos, G-
dc.contributor.authorTAM, Kai Chung-
dc.contributor.authorHUANG, Shuhui-
dc.contributor.authorParedes Hernandez, Daniela Katherinne-
dc.contributor.authorTu, Yanjun-
dc.contributor.authoret al-
dc.date.accessioned2024-03-11T10:40:57Z-
dc.date.available2024-03-11T10:40:57Z-
dc.date.issued2023-09-22-
dc.identifier.citationPhysics Letters B, 2023, v. 846, p. 1-27-
dc.identifier.issn0370-2693-
dc.identifier.urihttp://hdl.handle.net/10722/340006-
dc.description.abstract<p>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 root sNN = 5.02 TeV, with the ATLAS detector. The process pp -> gamma +jet+X and its analogue in Pb+Pb collisions is measured in events containing an isolated photon with transverse momentum (pT) above 50 GeV and reported as a function of jet pT. This selection results in a sample of jets with a steeply falling pT distribution that are mostly initiated by the showering of quarks. The pp and Pb+Pb measurements are used to report the nuclear modification factor, RAA, and the fractional energy loss, Sloss, 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 RAA and Sloss 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.</p>-
dc.languageeng-
dc.publisherElsevier-
dc.relation.ispartofPhysics Letters B-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleComparison of inclusive and photon-tagged jet suppression in 5.02 TeV Pb+Pb collisions with ATLAS-
dc.typeArticle-
dc.identifier.doi10.1016/j.physletb.2023.138154-
dc.identifier.scopuseid_2-s2.0-85172322734-
dc.identifier.volume846-
dc.identifier.spage1-
dc.identifier.epage27-
dc.identifier.eissn1873-2445-
dc.identifier.isiWOS:001125258300001-
dc.publisher.placeAMSTERDAM-
dc.identifier.issnl0370-2693-

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