Pseudorapidity distributions of charged particles from Au+Au collisions at the maximum RHIC energy, √sNN=200 GeV -: art. no. 202301

被引：255

作者：

Bearden, IG

Beavis, D

Besliu, C

Blyakhman, Y

Budick, B

Boggild, H

Chasman, C

Christensen, CH

Christiansen, P

Cibor, J

Debbe, R

Enger, E

Gaardhoje, JJ

Hagel, K

Hansen, O

Holm, A

Holme, AK

Ito, H

Jakobsen, E

Jipa, A

Jordre, JI

Jundt, F

Jorgensen, CE

Karabowicz, R

Keutgen, T

Kim, EJ

Kozik, T

Larsen, TM

Lee, JH

Lee, YK

Lovhoiden, G

Majka, Z

Makeev, A

McBreen, B

Mikelsen, M

Murray, M

Natowitz, J

Nielsen, BS

Norris, J

Olchanski, K

Olness, J

Ouerdane, D

Planeta, R

Rami, F

Ristea, C

Röhrich, D

Samset, BH

Sandberg, D

Sanders, SJ

Sheetz, RA

机构：

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

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

[3] Inst Rech Subatom, Strasbourg, France

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

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

[11] Univ Bucharest, Bucharest, Romania

[12] Univ Kansas, Lawrence, KS 66045 USA

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

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 20期

关键词：

D O I：

10.1103/PhysRevLett.88.202301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present charged-particle multiplicities as a function of pseudorapidity and collision centrality for the Au-197+ Au-197 reaction at roots(NN)=200 GeV . For the 5% most central events we obtain dN(ch)/detaparallel to(eta=0) =625+/-55 and N(ch)parallel to(-4.7less than or equal toetaless than or equal to4.7) =4630+/-370, i.e., 14% and 21% increases, respectively, relative to roots(NN)=130 GeV collisions. Charged-particle production per pair of participant nucleons is found to increase from peripheral to central collisions around midrapidity. These results constrain current models of particle production at the highest RHIC energy.

引用

页数：4

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