Journal
PHYSICAL REVIEW D
Volume 103, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.103.094007
Keywords
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Funding
- National Natural Science Foundation of China [12075043]
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By studying the decay processes of (B) over bar (0), we analyzed the characteristics of the f(1)(1285) resonance and obtained a theoretical result for comparison with experimental data. The f(1)(1285) resonance is dynamically generated from the K* K* interaction within the chiral unitary approach.
We study the decay processes of (B) over bar (0) -> J/psi(K) over bar*K-0(0) and (B) over bar (0)-> J/psi f(1)(1285) to analyze the f(1)(1285) resonance. By the calculation within chiral unitary approach where f(1)(1285) resonance is dynamically generated from the K* K*(K) over bar - c.c. interaction, we find that the (B) over bar*K-0(0) invariant mass distribution has a clear broad peak. Such broad peak has been understood as the signal of the f(1)(1285). Finally, we obtain a theoretical result R-t = Gamma((B) over bar0 -> J/psi(K) over bar *0 (K) over bar0)/Gamma((B) over bar0 -> J/psi f1(1285)) which is expected to be compared with the experimental data.
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