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J/psi dynamical suppression in a hadron and string cascade model
Sa, BH; Tai, A; Wang, H; Liu, FH; Sa, BH , CCAST World Lab, POB 8730, Beijing, Peoples R China.
1999
发表期刊PHYSICAL REVIEW C
ISSN0556-2813
卷号59期号:5页码:2728-2733
摘要A hadron and string cascade model, JPCIAE, for Simulating ultrarelativistic nucleus-nucleus collisions based on the LUND model and PYTHIA event generator especially, is used to investigate J/psi suppression due to nuclear absorption in minimum bias pA and AB collisions at 200A GeV/c. With different sets of reasonable formation time for a J/psi and a meson the results of the J/psi suppression factor from both the usual: scenario simulation (i.e., standard cascade simulation) and the Glauber-like simulation are comparable with all the NA38 pA and AB data, except the NA50 data of Pbf Pb collisions. However, the difference between the usual scenario simulation and the Glauber-like simulation, with the same parameter set of formation time, is noticeable. Meanwhile, the sensitive effect of formation time and the effect of the possible uncertainty in the absorption cross sections on J/psi suppression are studied in detail. [S0556-2813(99)06105-1].
部门归属CCAST World Lab, Beijing, Peoples R China; Inst Atom Energy, Beijing 102413, Peoples R China; Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing, Peoples R China
关键词Nucleus-nucleus Collisions Heavy-ion Collisions Quark-gluon Plasma J-psi-suppression S-u Interactions 200 Gev-nucleon Transverse-momentum Sps Energies P-u Dependence
学科领域Physics
收录类别SCI
WOS记录号WOS:000080383200051
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13159
专题理论物理所1978-2010年知识产出
通讯作者Sa, BH , CCAST World Lab, POB 8730, Beijing, Peoples R China.
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GB/T 7714
Sa, BH,Tai, A,Wang, H,et al. J/psi dynamical suppression in a hadron and string cascade model[J]. PHYSICAL REVIEW C,1999,59(5):2728-2733.
APA Sa, BH,Tai, A,Wang, H,Liu, FH,&Sa, BH , CCAST World Lab, POB 8730, Beijing, Peoples R China..(1999).J/psi dynamical suppression in a hadron and string cascade model.PHYSICAL REVIEW C,59(5),2728-2733.
MLA Sa, BH,et al."J/psi dynamical suppression in a hadron and string cascade model".PHYSICAL REVIEW C 59.5(1999):2728-2733.
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