Abstract
In this work we study the structures near 4.3 GeV in the J/ψϕ invariant mass spectra in B meson decay process B+→J/ψϕK+ and two photon fusion process γγ→J/ψϕ. The Y(4274) as a DsDs0 (2317) molecular is studied in the Bethe–Salpeter equation approach with quasipotential approximation. The absence of Y(4274) in γγ→J/ψϕ channel can be well explained by the decay widths of Y(4274) decaying to γγ and J/ψϕ. The distribution of mass difference released by CMS Collaboration is reproduced by two resonances near 4.3 GeV, Y(4274) and X(4320). The different production mechanism suggests X(4320) observed in the B decay should be the missing 33P1 charmonium state χc1″ and different from X(4350) observed in two photon fusion which can be assigned as χc2″.
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
