Journal
PHYSICAL REVIEW LETTERS
Volume 110, Issue 23, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.110.232001
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Funding
- National Natural Science Foundation of China [11222547, 11175073, 11005129, 11035006]
- Ministry of Education of China (FANEDD) [200924]
- Ministry of Education of China (SRFDP) [20120211110002]
- Ministry of Education of China (NCET)
- Ministry of Education of China (Fundamental Research Funds for the Central Universities)
- Fok Ying Tung Education Foundation [131006]
- West Doctoral Project of the Chinese Academy of Sciences
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We propose the initial single chiral particle emission mechanism, with which the hidden-charm dikaon decays of higher charmonia and charmoniumlike states are studied. Calculating the distributions of differential decay width, we obtain the line shape of the J/psi K+ invariant mass spectrum of psi(i) -> J/psi K+K-, where psi(i) = psi(4415), Y(4660), and psi(4790). Our numerical results show that there exist enhancement structures with both hidden-charm and open-strange channels, which are near the D (D) over bar*(s)/D*(D) over bar (s) and D*(D) over bar*(s)/(D) over bar *D*(s) thresholds. These charged charmoniumlike structures predicted in this Letter can be accessible in future experiments, especially BESIII, BelleII, and SuperB.
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