Inclusive and direct photons in S plus Au collisions at 200A GeV/c -: art. no. 064905

被引：2
|
作者：
Wang, H [1 ]
Sa, BH
Tai, A
Sun, ZX
机构：
[1] China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China
[2] CCAST, World Lab, Beijing 100080, Peoples R China
[3] Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
[4] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
来源：
PHYSICAL REVIEW C | 2000年 / 61卷 / 06期
关键词：
D O I：
10.1103/PhysRevC.61.064905
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：
The hadron and string cascade model JPCIAE, which is based on the LUND string model, especially the PYTHIA event generator, is used to study both inclusive photon production and direct photon production in 200A GeV S+Au central collisions. The model takes into account in a consistent way the photon production from the partonic QCD scattering processes, the hadronic final-state interaction, and hadronic decays. The results of the JPCIAE model reproduce successfully both the WA80 data on the transverse momentum dependent upper limits of direct photon yields and the WA93 data on low p(T) inclusive photon distribution. The photon production from different decay channels is investigated for both direct and inclusive photons.
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页数：6
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