Effect of △-Isobar in Strange Hadronic Matter

Sun Baoxi; Li Lei; Ning Pingzhi; Zhao Enguang

Chinese Physics C> 1999, Vol. 23> Issue(12) : 1203-1208

Effect of △-Isobar in Strange Hadronic Matter

Department of Physics, Nankai University, Tianjin 3000712 Institute of Theoretical Physics, The Chinese Academy of Sciences,Beijing 1000803 Departwnt of Physics, Nanhai University, Tianjin 300071

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Abstract：
The effect of in-meditim isobar in strange hadronic mattert(SHM)is studied wilson the framework of the relativishc mean field(RMF). As far as the effect of the in-medium isobar is concerned, we find a second stable state comes intO being in the higher density scope in SHM and thes effect promotes the producing of Ξ hyperons through the reachon AA-ΞN This effect is consistent with the conclusion that Ξ hyperons are conshtuents of SHM.

References

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Gal A, Dover C B. Nucl. Phys., 1995, A585:1 2 Schaffner J, Mishustin N. Phys. Rev., 1996, C53: 14163 Zeng Yuexin,Peng Guangxiong, Ning Pingzhi. Nuclear Physics Review (in Chinese), 1997, 14:222(曾月新,彭光雄,宁平治.原子核物理评论,1997,14:222)4 R. Bodmer A Nucl. Phys., 1991, A526:7035 Schaffner et al. Ann. Phys., 1994, 235:35

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Sun Baoxi, Li Lei, Ning Pingzhi and Zhao Enguang. Effect of △-Isobar in Strange Hadronic Matter[J]. Chinese Physics C, 1999, 23(12): 1203-1208.

Sun Baoxi, Li Lei, Ning Pingzhi and Zhao Enguang. Effect of △-Isobar in Strange Hadronic Matter[J]. Chinese Physics C, 1999, 23(12): 1203-1208. shu

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Received: 1998-07-20
Revised: 1900-01-01

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