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Three-body nonleptonic B decays in perturbative QCD
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abstract
We develop perturbative QCD formalism for three-body nonleptonic $B$ meson decays. Leading contributions are identified by defining power counting rules for various topologies of amplitudes. The analysis is simplified into the one for two-body decays by introducing two-meson distribution amplitudes. This formalism predicts both nonresonant and resonant contributions, and can be generalized to baryonic decays.
Forward citations
Cited by 3 Pith papers
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$B_c$ meson decays into $S$-wave charmonium plus light meson pairs in the perturbative QCD approach
pQCD calculations predict ~90% longitudinal polarization in B_c to J/psi or psi(2S) plus rho or K* mediated light meson pairs, with one branching ratio ratio matching LHCb at 2.67 vs 2.80.
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Improved global determination of two-meson distribution amplitudes from multi-body $B$ decays
An improved global fit of two-meson distribution amplitudes in the PQCD framework yields better convergence of the Gegenbauer expansion and resolves the Bs→K*Kbar* polarization puzzle, though the headline results are ...
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Di-$\pi^0$ Production and Generalized Distribution Amplitudes at Future Electron-Ion Colliders
Electron-heavy-ion collisions at the EIC could produce di-pion events at rates thousands of times higher than electron-proton or Belle II, making them a promising new way to measure pion generalized distribution amplitudes.
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