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In-medium K+ and K- production and K- condensation in supernova matter
Guo, H; Zhou, R; Liu, YX; 刘波(理); Liu, B; Li, XG
2004
发表期刊CHINESE PHYSICS LETTERS
卷号21期号:5页码:817-820
通讯作者Peking Univ, Dept Phys, Beijing 100871, Peoples R China ; Peking Univ, MOE Lab Heavy Ion Phys, Beijing 100871, Peoples R China ; Peking Univ, Dept Phys, Beijing 100871, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
文章类型Article
摘要In-medium effects and neutrino trapping on K+ and K- production and K- condensation in supernova matter are investigated in a chiral hadronic model. Our results show that neutrino trapping shifts the critical density for K- condensation to higher density, the Q values for K+ and K- production are not sensitive to neutrino trapping, in-medium effects decrease the Q values for NN --> NNK+K- and DeltaN --> NNK- and increase those for NN --> NDeltaK(+), K(-)p --> Deltapi(0) and K(-)n --> Deltapi(-) as the density of supernova matter increases. Moreover, it is shown that neutrino trapping decreases the maximum masses of protoneutron stars compared with the neutrino-free case.
学科领域Physics
研究领域[WOS]Physics ; Physics
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000221175300015
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238548
专题理论物理室
作者单位中国科学院高能物理研究所
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GB/T 7714
Guo, H,Zhou, R,Liu, YX,et al. In-medium K+ and K- production and K- condensation in supernova matter[J]. CHINESE PHYSICS LETTERS,2004,21(5):817-820.
APA Guo, H,Zhou, R,Liu, YX,刘波,Liu, B,&Li, XG.(2004).In-medium K+ and K- production and K- condensation in supernova matter.CHINESE PHYSICS LETTERS,21(5),817-820.
MLA Guo, H,et al."In-medium K+ and K- production and K- condensation in supernova matter".CHINESE PHYSICS LETTERS 21.5(2004):817-820.
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