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题名: Influence of sigma* and phi Mesons on. Hyperon S-1(0) Superfluidity in Neutron Star Matter
作者: Xu, Y ;  Liu, GZ ;  Wang, HY ;  Ding, WB ;  Zhao, EG
刊名: CHINESE PHYSICS LETTERS
出版日期: 2012
卷号: 29, 期号:5, 页码:59701
关键词: DIRECT URCA PROCESSES ;  NUCLEON SUPERFLUIDITY ;  HYPERNUCLEI ;  LAMBDA ;  PROTON
学科分类: Physics
通讯作者: Xu, Y (reprint author), Chinese Acad Sci, Changchun Observ, Natl Astron Observ, Changchun 130117, Peoples R China.
部门归属: [Xu Yan] Chinese Acad Sci, Changchun Observ, Natl Astron Observ, Changchun 130117, Peoples R China; [Liu Guang-Zhou; Wang Hong-Yan] Jilin Univ, Ctr Theoret Phys, Changchun 130012, Peoples R China; [Ding Wen-Bo] Bohai Univ, Dept Phys, Jinzhou 121000, Peoples R China; [Zhao En-Guang] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: Within the framework of the relativistic mean field theory, we investigate the S-1(0) superfluidity (SF) of Lambda hyperons in neutron star (NS) matter including sigma* and phi mesons. The energy gap of Lambda hyperons is calculated with the Nijmegen one-boson-exchange potentials for a.. pair. The parameter set we use is in line with the recent experimental data Delta B-Lambda Lambda similar to 1.01 +/- 0.20(-0.11)(+ 0.18) MeV. It is found that with sigma* and phi mesons the pairing energy gap Delta(F) of Lambda hyperons and the corresponding SF critical temperature T-C Lambda are suppressed. In addition the NS mass range of Lambda hyperon SF is enlarged obviously.
资助者: National Natural Science Foundation of China [10675024, 11075063]; National Fundamental Fund Project in Subsidy Funds of Personnel Training [J0730311]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000304187700068
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15107
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Xu, Y,Liu, GZ,Wang, HY,et al. Influence of sigma* and phi Mesons on. Hyperon S-1(0) Superfluidity in Neutron Star Matter[J]. CHINESE PHYSICS LETTERS,2012,29(5):59701.
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