Chiral SU(3) Quark Model Study of Tetraquark States: $cn\bar{n}\bar{s} / cs\bar{s}\bar{s}$

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dc.creatorZhang, H. X.
dc.creatorWang, W. L.
dc.creatorDai, Y. -B.
dc.creatorZhang, Z. Y.
dc.date2006-07-19
dc.date2006-12-05
dc.date.accessioned2026-07-07T11:58:49Z
dc.date.available2026-07-07T11:58:49Z
dc.descriptionThe new members of the charm-strange family $D_{sJ}^{*}(2317)$, $D_{sJ}(2460)$ and $D_s(2632)$, which have the surprising properties, are challenging the present models. Many theoretical interpretations have been devoted to this issue. Most of authors suggest that they are not the conventional $c\bar s$ quark model states, but possibly are four-quark states, molecule states or mixtures of a P-wave $c\bar s$ and a four-quark state. In this work, we follow the four-quark-state picture, and study the masses of $cn\bar n\bar s/cs\bar s\bar s$ states ($n$ is $u$ or $d$ quark) in the chiral SU(3) quark model. The numerical results show that the mass of the mixed four-quark state ($cn\bar n\bar s/cs\bar s\bar s$) with spin parity $J^P=0^{+}$ might not be $D_s(2632)$. At the same time, we also conclude that $D_{sJ}^{*}(2317)$ and $D_{sJ}(2460)$ cannot be explained as the pure four-quark state.
dc.description20 pages
dc.identifierhttps://arxiv.org/abs/hep-ph/0607207
dc.identifierhttp://arxiv.org/abs/hep-ph/0607207
dc.identifierCommun.Theor.Phys.49:414-420,2008
dc.identifierdoi:10.1088/0253-6102/49/2/35
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206352
dc.subjectHigh Energy Physics - Phenomenology
dc.titleChiral SU(3) Quark Model Study of Tetraquark States: $cn\bar{n}\bar{s} / cs\bar{s}\bar{s}$
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