TRANSVERSE-MOMENTUM OF J/PSI PRODUCED IN P-CU, P-U, O-16-CU, O-16-U AND S-32-U COLLISIONS AT 200 GEV PER NUCLEON

被引：66

作者：

BAGLIN, C

机构：

[1] Laboratoire d'Annecy-le-Vieux de Physique des Particules, IN2P3-CNRS, F-74941 Annecy-le-Vieux Cedex

[2] Laboratoire de Physique Corpusculaire de Clermont-Ferrand, IN2P3-CNRS, et Université Blaise Pascal

[3] CERN

[4] LIP, P-1000 Lisbon, Av. E. Garcia

[5] Institut de Physique Nucléaire, IN2P3-CNRS, et Université de Paris-Sud

[6] Ecole Polytechnique, IN2P3-CNRS, Laboratoire de Physique Nucléaire des Hautes Energies

[7] Centre de Recherches Nucléaires, IN2P3-CNRS, et Université Louis Pasteur, F-67037 Strasbourg Cedex

[8] IFIC, Centro Mixto Universidad de Valencia-CSIC, E-46100 Burjasot, Valencia

[9] Institut de Physique Nucléaire de Lyon, IN2P3-CNRS, et Université Claude Bernard, F-69622 Villeurbanne Cedex, 43 boulevard du

来源：

PHYSICS LETTERS B | 1991年 / 262卷 / 2-3期

关键词：

D O I：

10.1016/0370-2693(91)91579-K

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Muon-pair production was measured in interactions of p and O-16 with Cu and U and in (S-U)-S-32 collisions at 200 GeV per nucleon incident energy. The transverse momentum distribution of the J/psi and of muon pairs in the mass continuum has been studied. For the J/psi, the average values of the transverse momentum <P(T)> and <P(T)2> show a clear increase with the energy density reached in O-16 and S-32 induced reactions, which is not observed for muon pairs in the mass continuum.

引用

页码：362 / 368

页数：7

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