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arXiv · 1902.02138

Parametrizations of three-body hadronic $B$- and $D$-decay amplitudes

B. Loiseau·D. Boito·J. -P. Dedonder·B. El-Bennich·R. Escribano·R. Kamiński·L. Leśniak
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Abstract

A short review of our recent work on amplitude parametrizations of three-body hadronic weak $B$ and $D$ decays is presented. The final states are here composed of three light mesons, namely the various charge $\pi\pi\pi$, $K\pi\pi$ and $KK\bar K$ states. These parametrizations are derived from previous calculations based on a quasi-two-body factorization approach where the two-body hadronic final state interactions are fully taken into account in terms of unitary $S$- and $P$-wave $\pi\pi$, $\pi K$ and $K \bar K$ form factors. They are an alternative to the isobar-model description and can be useful in the interpretation of CP asymmetries.

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B. Loiseau, D. Boito, J. -P. Dedonder, B. El-Bennich, R. Escribano, R. Kamiński, L. Leśniak. 2019-02-06. Parametrizations of three-body hadronic $B$- and $D$-decay amplitudes. https://doi.org/10.1051/epjconf/201920206014

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