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Effects of Flavor Dependence on Weak Decays of J/psi and \Upsilon
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We give the detailed analysis of effects of flavor dependence of average transverse quark momentum inside a meson on J/psi --> P and \Upsilon --> Bc transition form factors and two-body weak hadronic decays of J/psi and \Upsilon employing the factorization scheme. We predict the branching ratios of semileptonic and nonleptonic weak decays of J/psi and \Upsilon mesons in Cabibbo-angle-enhanced and Cabibbo-angle-suppressed modes.
Forward citations
Cited by 2 Pith papers
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The $\Upsilon(nS) \to B_{(c)}$ transition form factors and their applications to semileptonic and nonleptonic weak decays
The authors use the covariant light-front quark model to predict branching ratios of order 10^-9 to 10^-15 for weak Υ(1S-4S) → B/B_c decays, with Υ(3S) → B_c ℓν the largest.
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Polarization observables in semileptonic $V\to P$ decays of quarkonia
Using the helicity amplitude method, the authors derive the angular distribution for vector-to-pseudoscalar semileptonic decays and predict polarization observables for J/psi and Upsilon(1S) channels.
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