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Ben-Hao, S; Faessler, A; An, T; Waindzoch, T; Fuchs, C; Wang, ZS; Hui, W; Ben-Hao, S , Univ Tubingen, Inst Theoret Phys, Morgenstelle 14, D-72076 Tubingen, Germany.
J/psi normal and anomalous suppressions in a hadron and string cascade model
Source PublicationJOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
KeywordNucleus-nucleus Collisions Heavy-ion Collisions J-psi-suppression S-u Interactions 200 Gev-nucleon Charmonium Suppression Transverse-momentum pb+pb Collisions Gluon Depletion Aa Collisions
AbstractA mechanism for the effective dissociation of a c (c) over bar pair in the colour electric field of strings is introduced into a hadron and string cascade model, i.e. JPCIAE, which is based on the LUND model, simulating ultra-relativistic nucleus-nucleus collisions. This new mechanism together with the known mechanism of nuclear absorption (both baryons and mesons) could reproduce fairly the data of the normal and anomalous J/psi suppressions in minimum bias pA, AB (with light projectile), and Pb + Pb collisions at 200 A GeV/c. However the impact parameter (ET) dependence of the J/psi suppression factor, both, in S + U and Pb + Pb reactions at 200 A GeV/c and 158 A GeV/c, respectively, is not well reproduced. We also tested the additional mechanism of the energy degradation of leading particles, with which both, the normal and anomalous J/psi suppressions in minimum bias pA, AB, and Pb + Pb collisions and the E-T dependence of the J/psi suppression factor are better reproduced.
1999
ISSN0954-3899
Volume25Issue:6Pages:1123-1133
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13138
Collection理论物理所科研产出_SCI论文
Corresponding AuthorBen-Hao, S , Univ Tubingen, Inst Theoret Phys, Morgenstelle 14, D-72076 Tubingen, Germany.
Recommended Citation
GB/T 7714
Ben-Hao, S,Faessler, A,An, T,et al. J/psi normal and anomalous suppressions in a hadron and string cascade model[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,1999,25(6):1123-1133.
APA Ben-Hao, S.,Faessler, A.,An, T.,Waindzoch, T.,Fuchs, C.,...&Ben-Hao, S , Univ Tubingen, Inst Theoret Phys, Morgenstelle 14, D-72076 Tubingen, Germany..(1999).J/psi normal and anomalous suppressions in a hadron and string cascade model.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,25(6),1123-1133.
MLA Ben-Hao, S,et al."J/psi normal and anomalous suppressions in a hadron and string cascade model".JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 25.6(1999):1123-1133.
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