EPJ Web Conf.
Volume 202, 20199th International Workshop on Charm Physics (CHARM 2018)
|Number of page(s)||6|
|Published online||13 March 2019|
Parametrizations of three-body hadronic B- and D-decay amplitudes
Sorbonne Université, Campus Pierre et Marie Curie, Sorbonne Paris Cité, Université Paris Diderot, et IN2P3-CNRS, LPNHE, Groupe Phénoménologie, Paris, France
2 Instituto de Física de São Carlos, Universidade de São Paulo, SP, Brazil
3 Laboratório de Física Teórica e Computacional, Universidade Cruzeiro do Sul, São Paulo, SP, Brazil
4 Grup de Física Teòrica and IFAE, Universitat Autònoma de Barcelona, Bellaterra (Barcelona), Spain
5 H. Niewodniczański Institute of Nuclear Physics, PAN, Kraków, Poland
* e-mail: firstname.lastname@example.org
Published online: 13 March 2019
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 πππ, Kππ and KK 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 ππ, πK and K form factors. They are an alternative to the isobar-model description and can be useful in the interpretation of CP asymmetries.
© The Authors, published by EDP Sciences, 2019
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