Journal
PHYSICAL REVIEW D
Volume 106, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.106.054008
Keywords
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Funding
- National Natural Science Foundation of China (NSFC) [11775050, 12175037, 11475192]
- NSFC
- Deutsche Forschungsgemeinschaft (DFG) [12070131001]
- Key Research Program of Frontier Sciences, Chinese Academy of Sciences [Y7292610K1]
- National Key Research and Development Program of China [2020YFA0406300]
- Institute of High Energy Physics (IHEP) Innovation Fund [Y4545190Y2]
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This study evaluates the possibility of assigning X(4014) as a D* over bar D* molecular state by investigating its hidden charm decays, and proposes to search for X(4014) in the gamma gamma -> J=psi omega process in Belle II.
Inspired by the recent observation of a new structure, X(4014), in the process gamma gamma -> gamma psi(2S), we evaluate the possibility of assigning X(4014) as a D* over bar D* molecular state with I(JPC) = 0(0++) by investigating the hidden charm decays of X(4014). The partial widths of J=psi omega, eta c eta and eta c eta 0 channels are evaluated to be about (0.41-5.00), (2.05-7.49) and (0.11-0.51) MeV, respectively. Considering the experimental observation and the present estimations, we proposed to search X(4014) in the gamma gamma -> J=psi omega process in Belle II.
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