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Influence of tensor interactions on masses and decay widths of dibaryons
Pang, HR; Ping, JL; Chen, LZ; Wang, F; Goldman, T; Pang, HR , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China.
2004
发表期刊PHYSICAL REVIEW C
ISSN0556-2813
卷号70期号:3页码:-
摘要The influence of gluon and Goldstone boson induced tensor interactions on the dibaryon masses and D-wave decay widths has been studied in the quark delocalization, color screening model. The effective S-D wave transition interactions induced by gluon and Goldstone boson exchanges decrease rapidly with increasing strangeness of the channel. The tensor contribution of K and eta mesons is negligible in this model. There is no six-quark state in the light flavor world studied so far that can become bound by means of these tensor interactions besides the deuteron. The partial D-wave decay widths of the IJ(p)=(1/2)2(+)NOmega state to spin 0 and 1 LambdaXi final states are 12.0 and 21.9 keV, respectively. This is a very narrow dibaryon resonance that might be detectable in those production reactions with rich high strangeness particles through the reconstruction of the vertex mass of the decay product LambdaXi by existing detectors at RHIC and COMPASS at CERN or at JHF in Japan and FAIR in Germany in the future.
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; Nanjing Univ, Dept Phys, Nanjing, Peoples R China; Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA
关键词Color-screening Model Extended Quark-delocalization
学科领域Physics
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收录类别SCI
WOS记录号WOS:000224325900049
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14017
专题理论物理所SCI论文
通讯作者Pang, HR , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China.
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Pang, HR,Ping, JL,Chen, LZ,et al. Influence of tensor interactions on masses and decay widths of dibaryons[J]. PHYSICAL REVIEW C,2004,70(3):-.
APA Pang, HR,Ping, JL,Chen, LZ,Wang, F,Goldman, T,&Pang, HR , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China..(2004).Influence of tensor interactions on masses and decay widths of dibaryons.PHYSICAL REVIEW C,70(3),-.
MLA Pang, HR,et al."Influence of tensor interactions on masses and decay widths of dibaryons".PHYSICAL REVIEW C 70.3(2004):-.
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