The possible assignments of the scalar $K_0^{\ast }(1950)$ and $K_0^{\ast }(2130)$ within the ${}^3{P}_0$ model

Abstract

We have evaluated the strong decays of the $K_0^{\ast }(1950)$ and $K_0^{\ast }(2130)$ within the ${}^3{P}_0$ model, by employing the meson wave functions from the relativized quark model. By comparing with the experimental measurements, the $K_0^{\ast }(2130)$ could be assigned as $K_0^{\ast }(3^3{P}_0)$, while the $K_0^{\ast }(1950)$ seems like an exotic state, because its width can not be reasonably reproduced within the ${}^3{P}_0$ model. We also predict that the $K_0^{\ast }(2^3{P}_0)$ state has a mass of about $1811$ MeV and a width of about $656$ MeV, while the $K_0^{\ast }(4^3{P}_0)$ state has a mass of about $2404$ MeV and a width of about $180$ MeV.

arXiv comment7 pages, 5 figures, comments or suggestions are welcome

References in corpus (26)

• Higher Charmonia
• Exotica
• A new look at scalar mesons
• Scalar mesons above and below 1 GeV
• On the nature of light scalar mesons from their large $N_c$ behavior
• Higher Quarkonia
• Systematics of q anti-q states in the (n,M^2) and (J,M^2) planes
• A Theory of Scalar Mesons
• Dynamics and Decay of Heavy-Light Hadrons
• Exotic hadrons: review and perspectives
• Strong Decays of Strange Quarkonia
• $D_{sJ}(2860)$ and $D_{sJ}(2715)$
• The newly observed open-charm states in quark model
• Excited bottom and bottom-strange mesons in the quark model
• The light scalar mesons as tetraquarks
• A systematic study of mass spectra and strong decay of strange mesons
• Categorizing resonances X(1835), X(2120) and X(2370) in the pseudoscalar meson family
• Understanding the charmed states recently observed by the LHCb and BaBar Collaborations in the quark model
• Light meson spectroscopy from Dalitz plot analyses of ${\eta }_c$ decays to ${\eta }^{\prime }{K}^{+}{K}^{-}$, ${\eta }^{\prime }{\pi }^{+}{\pi }^{-}$, and $\eta {\pi }^{+}{\pi }^{-}$ produced in two-photon interactions
• Canonical interpretation of the ${\eta }_2(1870)$
• Canonical interpretation of the $X(4140)$ state within the ${}^3{P}_0$ model
• Strong decays of the higher isovector scalar mesons
• Strong decays of the $X(2500)$ newly observed by the BESIII Collaboration
• Possible Assignment of Excited Light ${}^3{S}_1$ Vector Mesons
• The possible members of the $5^1{S}_0$ meson nonet
• Assignments of the $Y(2040)$, $\rho (1900)$, and $\rho (2150)$ in the quark model

Cited by in corpus (1)

• Newly observed $\kappa$(2600) and the highly excited states of the $K_0^{\ast }$ family