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Analysis of the mass and width of the X*(3860) with QCD sum rules

Author:
Wang, Zhi-Gang  


Journal:
The European Physical Journal A


Issue Date:
2017


Abstract(summary):

In this article, we tentatively assign the X*(3860) to be the C gamma(5) circle times gamma C-5-type scalar tetraquark state and study its mass and width with the QCD sum rules; special attention is paid to calculating the hadronic coupling constants GX eta(c)pi and G(XDD) concerning the tetraquark state. We obtain the values M-X =3D 3.86 +/- 0.09 GeV and Gamma(X) =3D 202 +/- 146MeV, which are consistent with the experimental data. The numerical result supports assigning the X*(3860) to be the C gamma(5) circle times gamma C-5-type scalar tetraquark state.


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