On the scalar nonet in the extended Nambu Jona-Lasinio model

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dc.creatorSu, Ming-Xian
dc.creatorXiao, L. Y.
dc.creatorZheng, H. Q.
dc.date2007-06-13
dc.date.accessioned2026-07-07T11:16:49Z
dc.date.available2026-07-07T11:16:49Z
dc.descriptionWe discuss the lightest scalar resonances, $f_0(600)$, $κ(800)$, $a_0(980)$ and $f_0(980)$ in the extended Nambu Jona-Lasinio model. We find that the model parameters can be tuned, but unnaturally, to accommodate for those scalars except the $f_0(980)$. We also discuss problems encountered in the K Matrix unitarization approximation by using $N_c$ counting technique.
dc.description23 pages 3 eps figures, To appear in Nucl. Phys. A
dc.identifierhttps://arxiv.org/abs/0706.1823
dc.identifierhttp://arxiv.org/abs/0706.1823
dc.identifierNucl.Phys.A792:288-305,2007
dc.identifierdoi:10.1016/j.nuclphysa.2007.06.004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/192801
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleOn the scalar nonet in the extended Nambu Jona-Lasinio model
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