Centrality dependence of charged-particle pseudorapidity distributions from d plus Au collisions at √sNN=200 GeV -: art. no. 032301

被引：49

作者：

Arsene, I ^{[1
]}

Bearden, IG

Beavis, D

Besliu, C

Budick, B

Boggild, H

Chasman, C

Christensen, CH

Christiansen, P

Cibor, J

Debbe, R

Enger, E

Gaardhoje, JJ

Germinario, M

Hagel, K

Ito, H

Jipa, A

Jordre, JI

Jundt, F

Jorgensen, CE

Karabowicz, R

Kim, EJ

Kozik, T

Larsen, TM

Lee, JH

Lee, YK

Lindal, S

Lystad, R

Lovhoiden, G

Majka, Z

Makeev, A

Mikelsen, M

Murray, M

Natowitz, J

Neumann, B

Nielsen, BS

Ouerdane, D

Planeta, R

Rami, F

Ristea, C

Ristea, O

Röhrich, D

Samset, BH

Sandberg, D

Sanders, SJ

Sheetz, RA

Staszel, P

Tveter, TS

Videbæk, F

Wada, R

机构：

[1] Univ Bucharest, Bucharest, Romania

[2] Brookhaven Natl Lab, Upton, NY 11973 USA

[3] Inst Rech Subatom, Strasbourg, France

[4] Univ Louis Pasteur Strasbourg 1, Strasbourg, France

[5] Inst Nucl Phys, Krakow, Poland

[6] Jagiellonian Univ, Krakow, Poland

[7] Johns Hopkins Univ, Baltimore, MD 21218 USA

[8] NYU, New York, NY 10003 USA

[9] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark

[10] Texas A&M Univ, College Stn, TX 77843 USA

[11] Univ Bergen, Dept Phys, Bergen, Norway

[12] Univ Kansas, Lawrence, KS 66045 USA

[13] Univ Oslo, Dept Phys, Oslo, Norway

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.94.032301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Charged-particle pseudorapidity densities are presented for the d+Au reaction at roots(NN)=200 GeV with -4.2less than or equal toetaless than or equal to4.2. The results, from the BRAHMS experiment at BNL Relativistic Heavy-Ion Collider, are shown for minimum-bias events and 0%-30%, 30%-60%, and 60%-80% centrality classes. Models incorporating both soft physics and hard, perturbative QCD-based scattering physics agree well with the experimental results. The data do not support predictions based on strong-coupling, semiclassical QCD. In the deuteron-fragmentation region the central 200 GeV data show behavior similar to full-overlap d+Au results at roots(NN)=19.4 GeV.

引用

页数：5

共 50 条

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[9] Dependence of single particle distributions on rapidity and centrality in d plus Au collisions at √SNN=200 GeV
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