Impact parameter dependence of J/ψ and Drell-Yan production in heavy ion collisions at √SNN = 17.3 GeV

被引：19

作者：

Emel'yanov, V

Khodinov, A

Klein, SR

Vogt, R

机构：

[1] Moscow State Tech Univ, Moscow State Engn Phys Inst, Moscow 115409, Russia

[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA

[3] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA

来源：

PHYSICAL REVIEW C | 1999年 / 59卷 / 04期

关键词：

D O I：

10.1103/PhysRevC.59.R1860

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：

In heavy inn collisions, J/psi and Drell-Yan production are expected to be affected by nuclear modifications to the free nucleon structure Functions. If these modifications, referred to here as shadowing, are proportional to the local nuclear density, the per nucleon cross sections will depend on centrality. Differences in quark and gluon shadowing will lead to a new source of impact parameter dependence of the J/psi to Drell-Yan production ratio. We calculate this ratio in the CERN NA50 acceptance with several shadowing parametrizations to explore its centrality dependence. [S0556-2813(99)50704-8].

引用

页码：R1860 / R1863

页数：4

共 24 条

[1] J/psi and Drell-Yan cross-sections in Pb-Pb interactions at 158 GeV/c per nucleon [J].

Abreu, MC ;

Alessandro, B ;

Alexa, C ;

Astruc, J ;

Baglin, C ;

Baldit, A ;

Bedjidian, M ;

Bellaiche, F ;

Beole, S ;

Boldea, V ;

Bonazzola, G ;

Bordalo, P ;

Borhani, A ;

Bussiere, A ;

Capony, V ;

Castor, J ;

Chambon, T ;

Chaurand, B ;

Chevrot, I ;

Cheynis, B ;

Chiavassa, E ;

Cicalo, C ;

Constantinescu, S ;

Cruz, J ;

Dabrowski, W ;

DeFalco, A ;

Dellacasa, G ;

DeMarco, N ;

Devaux, A ;

Dita, S ;

Drapier, O ;

Espagnon, B ;

Fargeix, J ;

Fleuret, F ;

Force, P ;

Gallio, M ;

Gatignon, L ;

Gavrilov, YK ;

Gerschel, C ;

Giubellino, P ;

Golubeva, MB ;

Gonin, M ;

Gorodetzky, P ;

Grossiord, JY ;

Guaita, P ;

Guber, FF ;

Guichard, A ;

Haroutunian, R ;

Idzik, M ;

Jouan, D .

PHYSICS LETTERS B, 1997, 410 (2-4) :327-336

[2]

[Anonymous], 1974, ATOM DATA NUCL DATA

[3] NUCLEAR EFFECTS IN STRUCTURE FUNCTIONS [J].

ARNEODO, M .

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 1994, 240 (5-6) :301-393

[4] RIGOROUS QCD ANALYSIS OF INCLUSIVE ANNIHILATION AND PRODUCTION OF HEAVY QUARKONIUM [J].

BODWIN, GT ;

BRAATEN, E ;

LEPAGE, GP .

PHYSICAL REVIEW D, 1995, 51 (03) :1125-1171

[5] THE B-DEPENDENCE OF STRUCTURE FUNCTIONS IN NUCLEI [J].

CASTORINA, P ;

DONNACHIE, A .

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1991, 49 (03) :481-484

[6] ASSOCIATED PRODUCTION OF HEAVY FLAVOR STATES IN PP AND BAR-PP INTERACTIONS - SOME QCD ESTIMATES [J].

COMBRIDGE, BL .

NUCLEAR PHYSICS B, 1979, 151 (03) :429-456

[7] Spatial variation of nuclear structure functions and heavy quark production [J].

Emel'yanov, V ;

Khodinov, A ;

Klein, SR ;

Vogt, R .

PHYSICAL REVIEW LETTERS, 1998, 81 (09) :1801-1804

[8]

EMELYANOV V, UNPUB

[9] SCALE DEPENDENCE OF NUCLEAR GLUON STRUCTURE [J].

ESKOLA, KJ .

NUCLEAR PHYSICS B, 1993, 400 (1-3) :240-266

[10] Scale evolution of nuclear parton distributions [J].

Eskola, KJ ;

Kolhinen, VJ ;

Ruuskanen, PV .

NUCLEAR PHYSICS B, 1998, 535 (1-2) :351-371

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