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Low-lying Omega states with negative parity in an extended quark model with Nambu-Jona-Lasinio interaction
An CS(安春生); Zou BS(邹冰松); An, CS; Zou, BS
2014
Source PublicationPHYSICAL REVIEW C
ISSN2469-9985
EISSN2469-9993
Volume89Issue:5Pages:55209
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.
Subject AreaPhysics
DOI10.1103/PhysRevC.89.055209
Indexed BySCI ; INSPIREHEP ; ADS
Language英语
WOS IDWOS:000338040000006
ADS Bibcode2014PhRvC..89e5209A
ADS URLhttps://ui.adsabs.harvard.edu/abs/2014PhRvC..89e5209A
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2014PhRvC..89e5209A/citations
inspireid1287947
inspireURLhttps://inspirehep.net/literature/1287947
Citation statistics
Cited Times:15 [INSPIRE]
Cited Times:19 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/225258
Collection中国科学院高能物理研究所
Recommended Citation
GB/T 7714
An CS,Zou BS,An, CS,et al. 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 安春生,邹冰松,An, CS,&Zou, BS.(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 安春生,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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