Transverse momentum, rapidity, and centrality dependence of inclusive charged-particle production in √sNN=5.02 TeV p + Pb collisions measured by the ATLAS experiment. / The ATLAS Collaboration.

In: Physics Letters B, Vol. 763, 10.12.2016, p. 313–336.

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Transverse momentum, rapidity, and centrality dependence of inclusive charged-particle production in √sNN=5.02 TeV p + Pb collisions measured by the ATLAS experiment. / The ATLAS Collaboration.

In: Physics Letters B, Vol. 763, 10.12.2016, p. 313–336.

Research output: Contribution to journalArticlepeer-review

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@article{519fef1bbe704474a02047238a0d8880,
title = "Transverse momentum, rapidity, and centrality dependence of inclusive charged-particle production in √sNN=5.02 TeV p + Pb collisions measured by the ATLAS experiment",
abstract = "Measurements of the per-event charged-particle yield as a function of the charged-particle transverse momentum and rapidity are performed using p+Pb collision data collected by the ATLAS experiment at the LHC at a centre-of-mass energy of sNN=5.02 TeV. Charged particles are reconstructed over pseudorapidity |η|<2.3 and transverse momentum between 0.1 GeV and 22 GeV in a dataset corresponding to an integrated luminosity of 1 μb−1. The results are presented in the form of charged-particle nuclear modification factors, where the p+Pb charged-particle multiplicities are compared between central and peripheral p+Pb collisions as well as to charged-particle cross sections measured in pp collisions. The p+Pb collision centrality is characterized by the total transverse energy measured in −4.9<η<−3.1, which is in the direction of the outgoing lead beam. Three different estimations of the number of nucleons participating in the p+Pb collision are carried out using the Glauber model and two Glauber–Gribov colour-fluctuation extensions to the Glauber model. The values of the nuclear modification factors are found to vary significantly as a function of rapidity and transverse momentum. A broad peak is observed for all centralities and rapidities in the nuclear modification factors for charged-particle transverse momentum values around 3 GeV. The magnitude of the peak increases for more central collisions as well as rapidity ranges closer to the direction of the outgoing lead nucleus.",
author = "{The ATLAS Collaboration}",
year = "2016",
month = dec,
day = "10",
doi = "10.1016/j.physletb.2016.10.053",
language = "English",
volume = "763",
pages = "313–336",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Transverse momentum, rapidity, and centrality dependence of inclusive charged-particle production in √sNN=5.02 TeV p + Pb collisions measured by the ATLAS experiment

AU - The ATLAS Collaboration

PY - 2016/12/10

Y1 - 2016/12/10

N2 - Measurements of the per-event charged-particle yield as a function of the charged-particle transverse momentum and rapidity are performed using p+Pb collision data collected by the ATLAS experiment at the LHC at a centre-of-mass energy of sNN=5.02 TeV. Charged particles are reconstructed over pseudorapidity |η|<2.3 and transverse momentum between 0.1 GeV and 22 GeV in a dataset corresponding to an integrated luminosity of 1 μb−1. The results are presented in the form of charged-particle nuclear modification factors, where the p+Pb charged-particle multiplicities are compared between central and peripheral p+Pb collisions as well as to charged-particle cross sections measured in pp collisions. The p+Pb collision centrality is characterized by the total transverse energy measured in −4.9<η<−3.1, which is in the direction of the outgoing lead beam. Three different estimations of the number of nucleons participating in the p+Pb collision are carried out using the Glauber model and two Glauber–Gribov colour-fluctuation extensions to the Glauber model. The values of the nuclear modification factors are found to vary significantly as a function of rapidity and transverse momentum. A broad peak is observed for all centralities and rapidities in the nuclear modification factors for charged-particle transverse momentum values around 3 GeV. The magnitude of the peak increases for more central collisions as well as rapidity ranges closer to the direction of the outgoing lead nucleus.

AB - Measurements of the per-event charged-particle yield as a function of the charged-particle transverse momentum and rapidity are performed using p+Pb collision data collected by the ATLAS experiment at the LHC at a centre-of-mass energy of sNN=5.02 TeV. Charged particles are reconstructed over pseudorapidity |η|<2.3 and transverse momentum between 0.1 GeV and 22 GeV in a dataset corresponding to an integrated luminosity of 1 μb−1. The results are presented in the form of charged-particle nuclear modification factors, where the p+Pb charged-particle multiplicities are compared between central and peripheral p+Pb collisions as well as to charged-particle cross sections measured in pp collisions. The p+Pb collision centrality is characterized by the total transverse energy measured in −4.9<η<−3.1, which is in the direction of the outgoing lead beam. Three different estimations of the number of nucleons participating in the p+Pb collision are carried out using the Glauber model and two Glauber–Gribov colour-fluctuation extensions to the Glauber model. The values of the nuclear modification factors are found to vary significantly as a function of rapidity and transverse momentum. A broad peak is observed for all centralities and rapidities in the nuclear modification factors for charged-particle transverse momentum values around 3 GeV. The magnitude of the peak increases for more central collisions as well as rapidity ranges closer to the direction of the outgoing lead nucleus.

U2 - 10.1016/j.physletb.2016.10.053

DO - 10.1016/j.physletb.2016.10.053

M3 - Article

VL - 763

SP - 313

EP - 336

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

ER -