Bottomonium production with statistical hadronization in heavy-loin collisions at collider energies

被引:0
作者
Hong, B [1 ]
机构
[1] Korea Univ, Dept Phys, Seoul 136701, South Korea
[2] Korea Univ, Korea Detector Lab, Seoul 136701, South Korea
关键词
bottomonium; heavy-ion collisions; statistical hadronization; thermal model; RHIC; LHC;
D O I
暂无
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present the bottomonium production estimated by using the hybrid model that combines direct b (b) over bar pair creation in hard scattering and a, statistical hadronization of the deconfined quark-gluon plasma. Complete color screening and full equilibration of the deconfined quark matter is assumed in the quark-gluon plasma phase. An enhanced production of the Y(IS) state is predicted at collider energies. However, a significant difference between the RHIC (Relativistic Heavy ton Collider) and the LHC (Large Hadron Collider) is expected in the centrality dependence of the Y(1S) production. Normalizing the Y(1S) production by the average number of binary collisions, we expect about a factor of five decrease from half-overlap to central collisions at the RHIC, but almost no change at the LHC. Plans for measuring the bottomonium production cross-sections in future collider experiments are summarized.
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页码:1382 / 1387
页数:6
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