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题名: Dibaryon mass and width calculation with tensor interaction
作者: Pang, HR ;  Ping, JL ;  Chen, LZ ;  Wang, F
刊名: CHINESE PHYSICS LETTERS
出版日期: 2004
卷号: 21, 期号:8, 页码:1455-1458
关键词: COLOR-SCREENING MODEL ;  EXTENDED QUARK-DELOCALIZATION
学科分类: Physics
通讯作者: Pang, HR , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China.
部门归属: Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Nanjing Normal Univ, Dept Phys, Nanjing 210097, Peoples R China; Nanjing Univ, Ctr Theoret Phys, Nanjing 210093, Peoples R China
英文摘要: The effect of tensor interaction due to gluon and Goldstone boson exchange on the dibaryon mass and decay width has been studied in the framework of the quark delocalization and colour screening model. The effective S-D wave transition interactions induced by gluon and Goldstone boson exchanges decrease quickly with the increasing channel strangeness, and there is no six-quark state in the light flavour world, which can become a bound one by the help of these tensor interactions, except for the deuteron. The K and eta meson exchange effect has been shown to be negligible after a short-range truncation in this model approach. The partial D-wave decay widths, from the NOmega state to the LambdaXi final states of spins 0 and 1, are 20.7 keV and 63.1 keV respectively. This is a very narrow dibaryon resonance, that might be detected in the relativistic heavy ion reaction by the existing RHIC detectors through the reconstruction of the LambdaXi vertex mass and by the future COMPAS detector at CERN and the FAIR project in Germany.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000223162500012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14025
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Pang, HR,Ping, JL,Chen, LZ,et al. Dibaryon mass and width calculation with tensor interaction[J]. CHINESE PHYSICS LETTERS,2004,21(8):1455-1458.
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