Pseudorapidity Density of Charged Particles in p plus Pb Collisions at root s(NN)=5.02 TeV

B. Abelev; J. Adam; D. Adamova; A.M. Adare; M.M. Aggarwal; G.A. Rinella; Ian Bearden; Hans Bøggild; Ante Bilandzic; Christian Holm Christensen; Kristjan Herlache Gulbrandsen; Hans Hjersing Dalsgaard; Jens Jørgen Gaardhøje; Alexander Colliander Hansen; Børge Svane Nielsen; Casper Nygaard; Carsten Søgaard

doi:10.1103/PhysRevLett.110.032301

Pseudorapidity Density of Charged Particles in p plus Pb Collisions at root s(NN)=5.02 TeV

B. Abelev, J. Adam, D. Adamova, A.M. Adare, M.M. Aggarwal, G.A. Rinella, Ian Bearden, Hans Bøggild, Ante Bilandzic, Christian Holm Christensen, Kristjan Herlache Gulbrandsen, Hans Hjersing Dalsgaard, Jens Jørgen Gaardhøje, Alexander Colliander Hansen, Børge Svane Nielsen, Casper Nygaard, Carsten Søgaard

Experimental Particle Physics

155 Citations (Scopus)

Abstract

The charged-particle pseudorapidity density measured over four units of pseudorapidity in nonsingle-diffractive p+Pb collisions at a center-of-mass energy per nucleon pair √s_NN=5.02 TeV is presented. The average value at midrapidity is measured to be 16.81±0.71 (syst), which corresponds to 2.14±0.17 (syst) per participating nucleon, calculated with the Glauber model. This is 16% lower than in nonsingle-diffractive pp collisions interpolated to the same collision energy and 84% higher than in d+Au collisions at √s_NN=0.2 TeV. The measured pseudorapidity density in p+Pb collisions is compared to model predictions and provides new constraints on the description of particle production in high-energy nuclear collisions.

Original language	English
Article number	032301
Journal	Physical Review Letters
Volume	110
Issue number	3
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.110.032301
Publication status	Published - 18 Jan 2013

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Abelev, B., Adam, J., Adamova, D., Adare, A. M., Aggarwal, M. M., Rinella, G. A., Bearden, I., Bøggild, H., Bilandzic, A., Christensen, C. H., Gulbrandsen, K. H., Dalsgaard, H. H., Gaardhøje, J. J., Hansen, A. C., Nielsen, B. S., Nygaard, C., & Søgaard, C. (2013). Pseudorapidity Density of Charged Particles in p plus Pb Collisions at root s(NN)=5.02 TeV. Physical Review Letters, 110(3), [032301]. https://doi.org/10.1103/PhysRevLett.110.032301

Abelev, B, Adam, J, Adamova, D, Adare, AM, Aggarwal, MM, Rinella, GA, Bearden, I , Bøggild, H, Bilandzic, A, Christensen, CH , Gulbrandsen, KH, Dalsgaard, HH, Gaardhøje, JJ, Hansen, AC, Nielsen, BS, Nygaard, C & Søgaard, C 2013, 'Pseudorapidity Density of Charged Particles in p plus Pb Collisions at root s(NN)=5.02 TeV', Physical Review Letters, vol. 110, no. 3, 032301. https://doi.org/10.1103/PhysRevLett.110.032301

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title = "Pseudorapidity Density of Charged Particles in p plus Pb Collisions at root s(NN)=5.02 TeV",

abstract = "The charged-particle pseudorapidity density measured over four units of pseudorapidity in nonsingle-diffractive p+Pb collisions at a center-of-mass energy per nucleon pair √sNN=5.02 TeV is presented. The average value at midrapidity is measured to be 16.81±0.71 (syst), which corresponds to 2.14±0.17 (syst) per participating nucleon, calculated with the Glauber model. This is 16% lower than in nonsingle-diffractive pp collisions interpolated to the same collision energy and 84% higher than in d+Au collisions at √sNN=0.2 TeV. The measured pseudorapidity density in p+Pb collisions is compared to model predictions and provides new constraints on the description of particle production in high-energy nuclear collisions.",

author = "B. Abelev and J. Adam and D. Adamova and A.M. Adare and M.M. Aggarwal and G.A. Rinella and Ian Bearden and Hans B{\o}ggild and Ante Bilandzic and Christensen, {Christian Holm} and Gulbrandsen, {Kristjan Herlache} and Dalsgaard, {Hans Hjersing} and Gaardh{\o}je, {Jens J{\o}rgen} and Hansen, {Alexander Colliander} and Nielsen, {B{\o}rge Svane} and Casper Nygaard and Carsten S{\o}gaard",

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AU - Abelev, B.

AU - Adam, J.

AU - Adamova, D.

AU - Adare, A.M.

AU - Aggarwal, M.M.

AU - Rinella, G.A.

AU - Bearden, Ian

AU - Bøggild, Hans

AU - Bilandzic, Ante

AU - Christensen, Christian Holm

AU - Gulbrandsen, Kristjan Herlache

AU - Dalsgaard, Hans Hjersing

AU - Gaardhøje, Jens Jørgen

AU - Hansen, Alexander Colliander

AU - Nielsen, Børge Svane

AU - Nygaard, Casper

AU - Søgaard, Carsten

PY - 2013/1/18

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N2 - The charged-particle pseudorapidity density measured over four units of pseudorapidity in nonsingle-diffractive p+Pb collisions at a center-of-mass energy per nucleon pair √sNN=5.02 TeV is presented. The average value at midrapidity is measured to be 16.81±0.71 (syst), which corresponds to 2.14±0.17 (syst) per participating nucleon, calculated with the Glauber model. This is 16% lower than in nonsingle-diffractive pp collisions interpolated to the same collision energy and 84% higher than in d+Au collisions at √sNN=0.2 TeV. The measured pseudorapidity density in p+Pb collisions is compared to model predictions and provides new constraints on the description of particle production in high-energy nuclear collisions.

AB - The charged-particle pseudorapidity density measured over four units of pseudorapidity in nonsingle-diffractive p+Pb collisions at a center-of-mass energy per nucleon pair √sNN=5.02 TeV is presented. The average value at midrapidity is measured to be 16.81±0.71 (syst), which corresponds to 2.14±0.17 (syst) per participating nucleon, calculated with the Glauber model. This is 16% lower than in nonsingle-diffractive pp collisions interpolated to the same collision energy and 84% higher than in d+Au collisions at √sNN=0.2 TeV. The measured pseudorapidity density in p+Pb collisions is compared to model predictions and provides new constraints on the description of particle production in high-energy nuclear collisions.

U2 - 10.1103/PhysRevLett.110.032301

DO - 10.1103/PhysRevLett.110.032301

M3 - Journal article

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SN - 0031-9007

VL - 110

JO - Physical Review Letters

JF - Physical Review Letters

IS - 3

M1 - 032301

ER -

Pseudorapidity Density of Charged Particles in p plus Pb Collisions at root s(NN)=5.02 TeV

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