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Energy dependence of pion in-medium effects on the pi(-)/pi(+) ratio in heavy-ion collisions
Xu, Jun(徐骏); Chen, Lie-Wen; Ko, Che Ming; Li, Bao-An; Ma, Yu-Gang(马余刚)
2013
Source PublicationPHYSICAL REVIEW C
ISSN0556-2813
Volume87Issue:6
AbstractWithin the framework of a thermal model with its parameters fitted to the results from an isospin-dependent Boltzmann-Uehling-Uhlenbeck transport model, we have studied the pion in-medium effect on the charged-pion ratio in heavy-ion collisions at various energies. We find that due to the cancellation between the effects from pion-nucleon s-wave and p-wave interactions in nuclear medium, the pi(-)/pi(+) ratio generally decreases after including the pion in-medium effect. The effect is larger at lower collision energies as a result of narrower pion spectral functions at lower temperatures.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000319910300004
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13740
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Xu, Jun,Chen, Lie-Wen,Ko, Che Ming,et al. Energy dependence of pion in-medium effects on the pi(-)/pi(+) ratio in heavy-ion collisions[J]. PHYSICAL REVIEW C,2013,87(6).
APA Xu, Jun,Chen, Lie-Wen,Ko, Che Ming,Li, Bao-An,&Ma, Yu-Gang.(2013).Energy dependence of pion in-medium effects on the pi(-)/pi(+) ratio in heavy-ion collisions.PHYSICAL REVIEW C,87(6).
MLA Xu, Jun,et al."Energy dependence of pion in-medium effects on the pi(-)/pi(+) ratio in heavy-ion collisions".PHYSICAL REVIEW C 87.6(2013).
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