Upper Limit of the Yield of Di-Omega in Central Au-Au Collision at Snn=200GeV with HIJING

SHAN Qing; WU Jian; WANG Xiao-Lian; CHEN Hong-Fang; ZHANG Yi-Fei; ZHANG Zi-Ping; SHAO Ming

Chinese Physics C> 2005, Vol. 29> Issue(12) : 1146-1149

Upper Limit of the Yield of Di-Omega in Central Au-Au Collision at Snn=200GeV with HIJING

Department of Modern Physics,University of Science and Technology of China,Hefei 230026,China

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Abstract：
According to the theoretical calculations on the cross section, the (ΩΩ)0+'s production including both the electromagnetic interaction process and the two-step process is studied with HIJING package. The production of the \noo is also simulated and calculated in this paper. The upper limit of the production rate of the (ΩΩ)0+ in the electromagnetic interaction process is (1.097±0.293)×10^-10 per central Au-Au collision event at s_nn=200GeV, while (NΩ)022 is (0.894±0.005)×10^-4.

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SHAN Qing, WU Jian, WANG Xiao-Lian, CHEN Hong-Fang, ZHANG Yi-Fei, ZHANG Zi-Ping and SHAO Ming. Upper Limit of the Yield of Di-Omega in Central Au-Au Collision at Snn=200GeV with HIJING[J]. Chinese Physics C, 2005, 29(12): 1146-1149.

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Received: 2005-03-15
Revised: 1900-01-01

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