Thermal Width for Heavy Quarkonium in the Static Limit

Thermal Width for Heavy Quarkonium in the Static Limit
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静态极限下重夸克氮的热宽度

DOI:
10.1088/0256-307x/32/12/121201
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发表时间:
2015-12
影响因子:
3.5
通讯作者:
LI Yun-De
LI Yun-De
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
SHI Chao-Yi;ZHU Jia-Qing;MA Zhi-Lei;LI Yun-De

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The thermal widths for heavy quarkonia are calculated for both Coulomb gauge (CG) and Feynman gauge.(FG), and the comparisons between these results with the hard thermal loop (HTL) approximation ones are.illustrated. The dissociation temperatures of heavy quarkonia in thermal medium are also discussed for CG, FG.and HTL cases. It is shown that the thermal widths, derived from the HTL approximation and used in many.research studies, cause some errors in the practical calculations at the temperature range accessible in the present.experiment, and the problem of gauge dependence cannot be avoided when the complete self energy is used in.the derivation of potential.
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