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Abstract:

Prompt photon production in sNN=2.76-TeV Pb+Pb collisions has been measured by the ATLAS experiment at the Large Hadron Collider using data collected in 2011 with an integrated luminosity of 0.14 nb-1. Inclusive photon yields, scaled by the mean nuclear thickness function, are presented as a function of collision centrality and transverse momentum in two pseudorapidity intervals, |η|<1.37 and 1.52≤|η|<2.37. The scaled yields in the two pseudorapidity intervals, as well as the ratios of the forward yields to those at midrapidity, are compared to the expectations from next-to-leading-order perturbative QCD (pQCD) calculations. The measured cross sections agree well with the predictions for proton-proton collisions within statistical and systematic uncertainties. Both the yields and the ratios are also compared to two other pQCD calculations, one which uses the isospin content appropriate to colliding lead nuclei and another which includes nuclear modifications to the nucleon parton distribution functions. © 2016 CERN.

Registro:

Documento: Artículo
Título:Centrality, rapidity, and transverse momentum dependence of isolated prompt photon production in lead-lead collisions at sNN =2.76 TeV measured with the ATLAS detector
Autor:Aad, G. et al.
Este artículo contiene 2882 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 2882 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Año:2016
Volumen:93
Número:3
DOI: http://dx.doi.org/10.1103/PhysRevC.93.034914
Título revista:Physical Review C
Título revista abreviado:Phys. Rev. C
ISSN:24699985
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_24699985_v93_n3_p_Aad

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Citas:

---------- APA ----------
(2016) . Centrality, rapidity, and transverse momentum dependence of isolated prompt photon production in lead-lead collisions at sNN =2.76 TeV measured with the ATLAS detector. Physical Review C, 93(3).
http://dx.doi.org/10.1103/PhysRevC.93.034914
---------- CHICAGO ----------
Aad, G. "Centrality, rapidity, and transverse momentum dependence of isolated prompt photon production in lead-lead collisions at sNN =2.76 TeV measured with the ATLAS detector" . Physical Review C 93, no. 3 (2016).
http://dx.doi.org/10.1103/PhysRevC.93.034914
---------- MLA ----------
Aad, G. "Centrality, rapidity, and transverse momentum dependence of isolated prompt photon production in lead-lead collisions at sNN =2.76 TeV measured with the ATLAS detector" . Physical Review C, vol. 93, no. 3, 2016.
http://dx.doi.org/10.1103/PhysRevC.93.034914
---------- VANCOUVER ----------
Aad, G. Centrality, rapidity, and transverse momentum dependence of isolated prompt photon production in lead-lead collisions at sNN =2.76 TeV measured with the ATLAS detector. Phys. Rev. C. 2016;93(3).
http://dx.doi.org/10.1103/PhysRevC.93.034914