Transverse Momentum Distribution and Nuclear Modification Factor of Charged Particles in p-Pb Collisions at √sNN=5.02 TeV

David Evans; Orlando Villalobos Baillie; Peter Jones; Lee Stuart Barnby; Roman Lietava; Anton Jusko; Arvinder Palaha; Plamen Petrov; Patrick Scott; Graham Lee; Marian Krivda; Luke Hanratty

doi:10.1103/PhysRevLett.110.082302

Transverse Momentum Distribution and Nuclear Modification Factor of Charged Particles in p-Pb Collisions at √sNN=5.02 TeV

David Evans, Orlando Villalobos Baillie, Peter Jones, Lee Stuart Barnby, Roman Lietava, Anton Jusko, Arvinder Palaha, Plamen Petrov, Patrick Scott, Graham Lee, Marian Krivda, Luke Hanratty

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

161 Citations (Scopus)

Abstract

The transverse momentum (p_T) distribution of primary charged particles is measured in non single-diffractive p-Pb collisions at sqrt{s_NN} = 5.02 TeV with the ALICE detector at the LHC. The p_T spectra measured near central rapidity in the range 0.5 < p_T < 20 GeV/c exhibit a weak pseudorapidity dependence. The nuclear modification factor R_pPb is consistent with unity for p_T above 2 GeV/c. This measurement indicates that the strong suppression of hadron production at high p_T observed in Pb-Pb collisions at the LHC is not due to an initial-state effect. The measurement is compared to theoretical calculations.

Original language	English
Article number	082302
Pages (from-to)	n/a
Number of pages	16
Journal	Physical Review Letters
Volume	110
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.110.082302
Publication status	Published - 21 Feb 2013

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10.1103/PhysRevLett.110.082302

Birmingham Nuclear Physics Consolidated Grant
Freer, M., Evans, P., Jones, P., Wheldon, C. & Lazzeroni, C.
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
1/08/11 → 31/07/14
Project: Research Councils

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Evans, D., Villalobos Baillie, O., Jones, P., Barnby, L. S., Lietava, R., Jusko, A., Palaha, A., Petrov, P., Scott, P., Lee, G., Krivda, M., & Hanratty, L. (2013). Transverse Momentum Distribution and Nuclear Modification Factor of Charged Particles in p-Pb Collisions at √sNN=5.02 TeV. Physical Review Letters, 110(8), n/a. Article 082302. https://doi.org/10.1103/PhysRevLett.110.082302

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title = "Transverse Momentum Distribution and Nuclear Modification Factor of Charged Particles in p-Pb Collisions at √sNN=5.02 TeV",

abstract = "The transverse momentum (p_T) distribution of primary charged particles is measured in non single-diffractive p-Pb collisions at sqrt{s_NN} = 5.02 TeV with the ALICE detector at the LHC. The p_T spectra measured near central rapidity in the range 0.5 < p_T < 20 GeV/c exhibit a weak pseudorapidity dependence. The nuclear modification factor R_pPb is consistent with unity for p_T above 2 GeV/c. This measurement indicates that the strong suppression of hadron production at high p_T observed in Pb-Pb collisions at the LHC is not due to an initial-state effect. The measurement is compared to theoretical calculations. ",

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Evans, D , Villalobos Baillie, O , Jones, P, Barnby, LS, Lietava, R , Jusko, A, Palaha, A, Petrov, P, Scott, P, Lee, G, Krivda, M & Hanratty, L 2013, 'Transverse Momentum Distribution and Nuclear Modification Factor of Charged Particles in p-Pb Collisions at √sNN=5.02 TeV', Physical Review Letters, vol. 110, no. 8, 082302, pp. n/a. https://doi.org/10.1103/PhysRevLett.110.082302

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T1 - Transverse Momentum Distribution and Nuclear Modification Factor of Charged Particles in p-Pb Collisions at √sNN=5.02 TeV

AU - Evans, David

AU - Villalobos Baillie, Orlando

AU - Jones, Peter

AU - Barnby, Lee Stuart

AU - Lietava, Roman

AU - Jusko, Anton

AU - Palaha, Arvinder

AU - Petrov, Plamen

AU - Scott, Patrick

AU - Lee, Graham

AU - Krivda, Marian

AU - Hanratty, Luke

PY - 2013/2/21

Y1 - 2013/2/21

N2 - The transverse momentum (p_T) distribution of primary charged particles is measured in non single-diffractive p-Pb collisions at sqrt{s_NN} = 5.02 TeV with the ALICE detector at the LHC. The p_T spectra measured near central rapidity in the range 0.5 < p_T < 20 GeV/c exhibit a weak pseudorapidity dependence. The nuclear modification factor R_pPb is consistent with unity for p_T above 2 GeV/c. This measurement indicates that the strong suppression of hadron production at high p_T observed in Pb-Pb collisions at the LHC is not due to an initial-state effect. The measurement is compared to theoretical calculations.

AB - The transverse momentum (p_T) distribution of primary charged particles is measured in non single-diffractive p-Pb collisions at sqrt{s_NN} = 5.02 TeV with the ALICE detector at the LHC. The p_T spectra measured near central rapidity in the range 0.5 < p_T < 20 GeV/c exhibit a weak pseudorapidity dependence. The nuclear modification factor R_pPb is consistent with unity for p_T above 2 GeV/c. This measurement indicates that the strong suppression of hadron production at high p_T observed in Pb-Pb collisions at the LHC is not due to an initial-state effect. The measurement is compared to theoretical calculations.

U2 - 10.1103/PhysRevLett.110.082302

DO - 10.1103/PhysRevLett.110.082302

M3 - Article

SN - 0031-9007

VL - 110

SP - n/a

JO - Physical Review Letters

JF - Physical Review Letters

IS - 8

M1 - 082302

ER -

Transverse Momentum Distribution and Nuclear Modification Factor of Charged Particles in p-Pb Collisions at √sNN=5.02 TeV

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Birmingham Nuclear Physics Consolidated Grant

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