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

dc.contributor.authorAaboud, M.
dc.contributor.authorRogan, Christopher
dc.contributor.authorThe ATLAS Collaboration
dc.date.accessioned2021-01-26T19:25:11Z
dc.date.available2021-01-26T19:25:11Z
dc.date.issued2019-09-10
dc.identifier.citationM. Aaboud et al., "Measurement of prompt photon production in sNN=8.16 TeV p + Pb collisions with ATLAS", Physics Letters B, Volume 796, 2019, Pages 230-252, ISSN 0370-2693, https://doi.org/10.1016/j.physletb.2019.07.031. (http://www.sciencedirect.com/science/article/pii/S0370269319304885)en_US
dc.identifier.urihttp://hdl.handle.net/1808/31252
dc.descriptionThis work is licensed under a Creative Commons Attribution 4.0 International License.en_US
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.en_US
dc.publisherElsevieren_US
dc.rights© 2019 The Author. Published by Elsevier B.V.en_US
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en_US
dc.titleMeasurement of prompt photon production in √sNN = 8.16 TeV p + Pb collisions with ATLASen_US
dc.typeArticleen_US
kusw.kuauthorRogan, Christopher
kusw.kudepartmentPhysics and Astronomyen_US
dc.identifier.doi10.1016/j.physletb.2019.07.031en_US
kusw.oaversionScholarly/refereed, publisher versionen_US
kusw.oapolicyThis item meets KU Open Access policy criteria.en_US
dc.rights.accessrightsopenAccessen_US


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© 2019 The Author. Published by Elsevier B.V.
Except where otherwise noted, this item's license is described as: © 2019 The Author. Published by Elsevier B.V.