System size and centrality dependence of the balance function in A+A collisions at √SNN=17.2 GeV -: art. no. 034903

被引：43

作者：

Alt, C ^{[1
]}

Anticic, T

Baatar, B

Barna, D

Bartke, J

Betev, L

Bialkowska, H

Billmeier, A

Blume, C

Boimska, B

Botje, M

Bracinik, J

Bramm, R

Brun, R

Buncic, P

Cerny, V

Christakoglou, P

Chvala, O

Cramer, JG

Csató, P

Darmenov, N

Dimitrov, A

Dinkelaker, P

Eckardt, V

Farantatos, G

Flierl, D

Fodor, Z

Foka, P

Freund, P

Friese, V

Gál, J

Gazdzicki, M

Georgopoulos, G

Gladysz, E

Grebieszkow, K

Hegyi, S

Höhne, C

Kadija, K

Karev, A

Kliemant, M

Kniege, S

Kolesnikov, VI

Kollegger, T

Kornas, E

Korus, R

Kowalski, M

Kraus, I

Kreps, M

van Leeuwen, M

Lévai, P

机构：

[1] Goethe Univ Frankfurt, Fachbereich Phys, D-6000 Frankfurt, Germany

[2] Rudjer Boskovic Inst, Zagreb, Croatia

[3] Joint Inst Nucl Res, Dubna, Russia

[4] KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary

[5] Inst Nucl Phys, Krakow, Poland

[6] CERN, Geneva, Switzerland

[7] Inst Nucl Studies, PL-00681 Warsaw, Poland

[8] NIKHEF, Amsterdam, Netherlands

[9] Comenius Univ, Bratislava, Slovakia

[10] Univ Athens, Dept Phys, Athens, Greece

[11] Charles Univ Prague, Inst Nucl & Particle Phys, Prague, Czech Republic

[12] Univ Washington, Nucl Phys Lab, Seattle, WA 98195 USA

[13] Sofia Univ St Kliment Ohridski, Dept Atom Phys, Sofia, Bulgaria

[14] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[15] Gesell Schwerionenforsch GSI, Darmstadt, Germany

[16] Inst Phys Swietokrzyska Acad, Kielce, Poland

[17] Univ Warsaw, Inst Expt Phys, Warsaw, Poland

[18] Univ Marburg, Fachbereich Phys, D-3550 Marburg, Germany

[19] Univ Houston, Houston, TX USA

[20] MIT, Cambridge, MA 02139 USA

[21] Pusan Natl Univ, Dept Phys, Pusan 609735, South Korea

来源：

PHYSICAL REVIEW C | 2005年 / 71卷 / 03期

关键词：

D O I：

10.1103/PhysRevC.71.034903

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Electric charge correlations were studied for p+p, C+C, Si+Si, and centrality selected Pb+Pb collisions at root s(NN) = 17.2 GeV with the NA49 large acceptance detector at the CERN SPS. In particular, long-range pseudorapidity correlations of oppositely charged particles were measured using the balance function method. The width of the balance function decreases with increasing system size and centrality of the reactions. This decrease could be related to an increasing delay of hadronization in central Pb+Pb collisions.

引用

页数：10

共 50 条

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