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Estimation of Local Energy Density in Relativistic Heavy-Ion Collisions
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作者 ZHANG Jing-Shan ma zhong-biao GAO Chong-Shou 《Chinese Physics Letters》 SCIE CAS CSCD 2001年第8期1015-1017,共3页
The energy density for the central region in relativistic heavy-ion collisions can be estimated via the pseudorapidity distribution of transverse energy.The way to estimate the local energy density for the central reg... The energy density for the central region in relativistic heavy-ion collisions can be estimated via the pseudorapidity distribution of transverse energy.The way to estimate the local energy density for the central region in relativistic heavy-ion collisions is proposed,in which only final state particles emitted from the same source are included.The energy density arrived in the NA49 experiments is about 0.9 GeV/fm^(3). 展开更多
关键词 energy. RELATIVISTIC COLLISIONS
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Search for Tetraquarks in Relativistic Heavy-Ion Collisions
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作者 ma zhong-biao GAO Chong-Shou 《Communications in Theoretical Physics》 SCIE CAS CSCD 2006年第6X期1023-1026,共4页
Tetraquarks can be produced in relativistic heavy-ion collision. The yield of this kind of tetraquarks can increase significantly soon as the formation of QGP after the collision. If there is no phase transition after... Tetraquarks can be produced in relativistic heavy-ion collision. The yield of this kind of tetraquarks can increase significantly soon as the formation of QGP after the collision. If there is no phase transition after collision, the upper bound of the production of this four-quark states can be estimated from the free hadronlc gas model for nuclear matter. The relative yield ratio of tetraquark cs^-s^-s to Ω is less than 0.0164. 展开更多
关键词 TETRAQUARK hadronic gas QGP
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