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Article: Measurement of prompt photon production in √sNN=8.16 TeV p + Pb collisions with ATLAS

TitleMeasurement of prompt photon production in √sNN=8.16 TeV p + Pb collisions with ATLAS
Authors
LO, CYOrlando, NParedes Hernandez, DSalvucci, ATu, YThe ATLAS CollaborationPizzimento, L
KeywordsCollisions
Jets
Jet quenching
Issue Date2019
PublisherElsevier: SCOAP3. The Journal's web site is located at http://www.elsevier.com/locate/physletb
Citation
Physics Letters B, 2019, v. 796, p. 230-252 How to Cite?
DOI: http://dx.doi.org/10.1016/j.physletb.2019.07.031
AbstractThe inclusive production rates of isolated, prompt photons in p+Pb collisions at sNN=8.16 TeV are studied with the ATLAS detector at the Large Hadron Collider using a dataset with an integrated luminosity of 165 nb−1 recorded in 2016. The cross-section and nuclear modification factor RpPb are measured as a function of photon transverse energy from 20 GeV to 550 GeV and in three nucleon–nucleon centre-of-mass pseudorapidity regions, (−2.83,−2.02), (−1.84,0.91), and (1.09,1.90). The cross-section and RpPb values are compared with the results of a next-to-leading-order perturbative QCD calculation, with and without nuclear parton distribution function modifications, and with expectations based on a model of the energy loss of partons prior to the hard scattering. The data disfavour a large amount of energy loss and provide new constraints on the parton densities in nuclei. © 2019 The Author
Persistent Identifierhttp://hdl.handle.net/10722/277508
ISSN
0370-2693
2023 Impact Factor: 4.3
2023 SCImago Journal Rankings: 1.593
ISI Accession Number ID
WOS:000483426200031

 

DC FieldValueLanguage
dc.contributor.authorLO, CY-
dc.contributor.authorOrlando, N-
dc.contributor.authorParedes Hernandez, D-
dc.contributor.authorSalvucci, A-
dc.contributor.authorTu, Y-
dc.contributor.authorThe ATLAS Collaboration-
dc.contributor.authorPizzimento, L-
dc.date.accessioned2019-09-20T08:52:25Z-
dc.date.available2019-09-20T08:52:25Z-
dc.date.issued2019-
dc.identifier.citationPhysics Letters B, 2019, v. 796, p. 230-252-
dc.identifier.issn0370-2693-
dc.identifier.urihttp://hdl.handle.net/10722/277508-
dc.description.abstractThe inclusive production rates of isolated, prompt photons in p+Pb collisions at sNN=8.16 TeV are studied with the ATLAS detector at the Large Hadron Collider using a dataset with an integrated luminosity of 165 nb−1 recorded in 2016. The cross-section and nuclear modification factor RpPb are measured as a function of photon transverse energy from 20 GeV to 550 GeV and in three nucleon–nucleon centre-of-mass pseudorapidity regions, (−2.83,−2.02), (−1.84,0.91), and (1.09,1.90). The cross-section and RpPb values are compared with the results of a next-to-leading-order perturbative QCD calculation, with and without nuclear parton distribution function modifications, and with expectations based on a model of the energy loss of partons prior to the hard scattering. The data disfavour a large amount of energy loss and provide new constraints on the parton densities in nuclei. © 2019 The Author-
dc.languageeng-
dc.publisherElsevier: SCOAP3. The Journal's web site is located at http://www.elsevier.com/locate/physletb-
dc.relation.ispartofPhysics Letters B-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectCollisions-
dc.subjectJets-
dc.subjectJet quenching-
dc.titleMeasurement of prompt photon production in √sNN=8.16 TeV p + Pb collisions with ATLAS-
dc.typeArticle-
dc.identifier.emailParedes Hernandez, D: dparedes@hku.hk-
dc.identifier.emailTu, Y: yanjuntu@hku.hk-
dc.identifier.authorityTu, Y=rp01971-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1016/j.physletb.2019.07.031-
dc.identifier.scopuseid_2-s2.0-85069881218-
dc.identifier.hkuros305940-
dc.identifier.volume796-
dc.identifier.spage230-
dc.identifier.epage252-
dc.identifier.isiWOS:000483426200031-
dc.publisher.placeNetherlands-
dc.identifier.issnl0370-2693-

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