Transverse momentum distributions of J/ψ, ψ′, Drell-Yan and continuum dimuons produced in Pb-Pb interactions at the SPS

被引：179

作者：

Abreu, MC ^{[1
]}

Alessandro, B

Alexa, C

Arnaldi, R

Atayan, M

Baglin, C

Baldit, A

Bedjidian, M

Bellaiche, F

Beolè, S

Boldea, V

Bordalo, P

Bussière, A

Capelli, L

Capony, V

Casagrande, L

Castor, J

Chambon, T

Chaurand, B

Chevrot, I

Cheynis, B

Chiavassa, E

Cicalò, C

Comets, MP

Constans, N

Constantinescu, S

Cruz, J

De Falco, A

Dellacasa, G

De Marco, N

Devaux, A

Dita, S

Drapier, O

Ducroux, L

Espagnon, B

Fargeix, J

Force, P

Gallio, M

Gavrilov, YK

Gerschel, C

Giubellino, P

Golubeva, MB

Gonin, M

Grigorian, AA

Grossiord, JY

Guber, FF

Guichard, A

Gulkanyan, H

Hakobyan, R

Haroutunian, R

机构：

[1] Lab Instrumentacao & Fis Particulas, LIP, Lisbon, Portugal

[2] Univ Piemonte Orientale, Alessandria, Italy

[3] Ist Nazl Fis Nucl, I-10125 Turin, Italy

[4] IN2P3, CNRS, LAPP, Phys Particules Lab, Annecy Le Vieux, France

[5] Univ Blaise Pascal, IN2P3, CNRS, Phys Corpusculaire Lab, Aubiere, France

[6] Inst Atom Phys, IFA, R-76900 Bucharest, Romania

[7] Univ Cagliari, Ist Nazl Fis Nucl, Cagliari, Italy

[8] CERN, Geneva, Switzerland

[9] Russian Acad Sci, Inst Nucl Res, Moscow, Russia

[10] Univ Paris 11, IN2P3, CNRS, Inst Phys Nucl Orsay, Orsay, France

[11] Ecole Polytech, IN2P3, CNRS, Lab Phys Nucl Hautes Energies, Palaiseau, France

[12] Univ Turin, Turin, Italy

[13] Ist Nazl Fis Nucl, I-10125 Turin, Italy

[14] Univ Lyon 1, IN2P3, CNRS, Inst Phys Nucl Lyon, F-69622 Villeurbanne, France

[15] Yerevan Phys Inst, YerPhI, Yerevan 375036, Armenia

[16] Univ Algarve, Unidad Ciencias Exactas & Humanas, P-8000 Faro, Portugal

[17] Univ Tecn Lisboa, Inst Super Tecn, P-1096 Lisbon, Portugal

[18] Univ Wuppertal, Wuppertal, Germany

来源：

PHYSICS LETTERS B | 2001年 / 499卷 / 1-2期

关键词：

D O I：

10.1016/S0370-2693(01)00019-3

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Muon pairs produced in Pb-Pb interactions at 158 GeV/c per nucleon are used to study the transverse momentum distributions of the J/psi, psi' and dimuons in the mass continuum. In particular, the dependence of these distributions on the centrality of the Pb-Pb collision is investigated in detail. (C) 2001 Published by Elsevier Science B.V.

引用

页码：85 / 96

页数：12

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