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Pang, HR; Ping, JL; Chen, LZ; Wang, F; Pang, HR , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China.
Dibaryon mass and width calculation with tensor interaction
发表期刊CHINESE PHYSICS LETTERS
关键词Color-screening Model Extended Quark-delocalization
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.
2004
ISSN0256-307X
卷号21期号:8页码:1455-1458
学科领域Physics
收录类别SCI
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14025
专题理论物理所科研产出_SCI论文
通讯作者Pang, HR , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China.
推荐引用方式
GB/T 7714
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.
APA Pang, HR,Ping, JL,Chen, LZ,Wang, F,&Pang, HR , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China..(2004).Dibaryon mass and width calculation with tensor interaction.CHINESE PHYSICS LETTERS,21(8),1455-1458.
MLA Pang, HR,et al."Dibaryon mass and width calculation with tensor interaction".CHINESE PHYSICS LETTERS 21.8(2004):1455-1458.
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