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29 March 2024
 
  » arxiv » 1902.2138

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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 ;
Date 6 Feb 2019
AbstractA 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 $pipipi$, $Kpipi$ and $KKar K$ 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 $pipi$, $pi K$ and $K ar K$ form factors. They are an alternative to the isobar-model description and can be useful in the interpretation of CP asymmetries.
Source arXiv, 1902.2138
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