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The B+ -> J/phi omega K+ reaction and D*(D)over-bar* molecular states

Author:
Dai, L. R.  Wang, G. Y.  Chen, X.  Wang, E.  Oset, E.  Li, D. M.  


Journal:
EUROPEAN PHYSICAL JOURNAL A


Issue Date:
2019


Abstract(summary):

We study the B+J/K+ reaction, and show that it is driven by the presence of two resonances, the X(3940) and X(3930), that are of molecular nature and couple most strongly to D*D*, but also to J/. Because of that, in the J/ mass distribution we find a peak related to the excitation of the resonances and a cusp with large strength at the D*D* threshold.


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