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An, CS; Zou, BS; An, CS (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
Low-lying Omega states with negative parity in an extended quark model with Nambu-Jona-Lasinio interaction
Source PublicationPHYSICAL REVIEW C
Language英语
KeywordHyperfine Interactions Dynamical Model Superconductivity Baryons Forces Analogy Qcd
AbstractHere we investigate mixing of the low-lying three- and five-quark Omega states with spin-parity quantum numbers 1/2(-) and 3/2(-), employing the quark-antiquark creation triggered by Nambu-Jona-Lasinio (NJL) interaction. Wave functions of the three- and five-quark configurations are constructed by using the extended constituent quark model, within which the hyperfine interaction between quarks is also taken to be the NJL-induced one. Numerical results show that the NJL-interaction-induced pair creation results in vanishing mixing between three- and five- quark Omega configurations with spin- parity 1/2(-), but mixing between three- and five-quark 3/2 Omega states should be very strong. The mixing decreases energy of the lowest 3/2(-)Omega state to be 1785 +/- 25 MeV, which is lower than energy of the lowest 1/2(-) state in this model. This is consistent with our previous predictions within the instanton-induced quark-antiquark creation model.
2014
ISSN0556-2813
Volume89Issue:5Pages:55209
Subject AreaPhysics
DOI10.1103/PhysRevC.89.055209
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [11205164, 11035006, 11121092, 11261130311]; DFG [CRC110]; NSFC [CRC110]; Chinese Academy of Sciences [KJCX2-EW-N01]; Ministry of Science and Technology of China [2009CB825200] ; National Natural Science Foundation of China [11205164, 11035006, 11121092, 11261130311]; DFG [CRC110]; NSFC [CRC110]; Chinese Academy of Sciences [KJCX2-EW-N01]; Ministry of Science and Technology of China [2009CB825200] ; National Natural Science Foundation of China [11205164, 11035006, 11121092, 11261130311]; DFG [CRC110]; NSFC [CRC110]; Chinese Academy of Sciences [KJCX2-EW-N01]; Ministry of Science and Technology of China [2009CB825200] ; National Natural Science Foundation of China [11205164, 11035006, 11121092, 11261130311]; DFG [CRC110]; NSFC [CRC110]; Chinese Academy of Sciences [KJCX2-EW-N01]; Ministry of Science and Technology of China [2009CB825200]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15753
Collection理论物理所科研产出_SCI论文
Corresponding AuthorAn, CS (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
Recommended Citation
GB/T 7714
An, CS,Zou, BS,An, CS . Low-lying Omega states with negative parity in an extended quark model with Nambu-Jona-Lasinio interaction[J]. PHYSICAL REVIEW C,2014,89(5):55209.
APA An, CS,Zou, BS,&An, CS .(2014).Low-lying Omega states with negative parity in an extended quark model with Nambu-Jona-Lasinio interaction.PHYSICAL REVIEW C,89(5),55209.
MLA An, CS,et al."Low-lying Omega states with negative parity in an extended quark model with Nambu-Jona-Lasinio interaction".PHYSICAL REVIEW C 89.5(2014):55209.
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