| Full text | |
| Author(s): |
Total Authors: 3
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| Affiliation: | [1] Univ Estadual Paulista, Inst Fis Teor, BR-01140070 Sao Paulo, SP - Brazil
[2] Univ Sao Paulo, Inst Fis, BR-05389970 Sao Paulo, SP - Brazil
[3] Univ Estado Rio de Janeiro, Fac Tecnol, BR-27537000 Resende, RJ - Brazil
Total Affiliations: 3
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| Document type: | Journal article |
| Source: | Physics Letters B; v. 747, p. 83-87, JUL 30 2015. |
| Web of Science Citations: | 3 |
| Abstract | |
We calculate the branching ratio for the production of the meson Y(4260) in the decay B- -> Y(4260)K-. We use QCD sum rules approach and we consider the Y(4260) to be a mixture between charmonium and exotic tetraquark, {[}(c) over bar(q) over bar]{[}qc], states with J(PC) = 1(--). Using the value of the mixing angle determined previously as: theta = (53.0 +/- 0.5)degrees we get the branching ratio B(B -> Y(4260)K) (1.34 +/- 0.47) x 10(-6), which allows us to estimate an interval on the branching fraction 3.0 x 10(-8) < B-Y < 1.8 x 10(-6) in agreement with the experimental upper limit reported by BaBar Collaboration. (C) 2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license. (AU) | |
| FAPESP's process: | 12/22815-3 - Width of Hadronic States and Radiative Corrections in QCD Sum Rules |
| Grantee: | Raphael Moreira de Albuquerque |
| Support Opportunities: | Scholarships in Brazil - Post-Doctoral |