https://doi.org/10.1140/epjc/s10052-016-3985-0
Regular Article - Theoretical Physics
Lepton flavor violation in exclusive 
decays
1
Laboratoire de Physique Théorique (Bât. 210), CNRS and Univ. Paris-Sud, Université Paris-Saclay, 91405, Orsay Cedex, France
2
Instituto de Física, Universidade de São Paulo, C.P. 66.318, 05315-970, São Paulo, Brazil
* e-mail: Damir.Becirevic@th.u-psud.fr
Received:
9
February
2016
Accepted:
25
February
2016
Published online:
10
March
2016
Starting from the general effective hamiltonian relevant to the transitions, we derive the expressions for the full angular distributions of the 
decay modes, as well as for 
(
). We point out the differences in the treatment of the lepton flavor violating modes with respect to the lepton flavor conserving ones. The relevant Wilson coefficients we evaluate in two different scenarios: (i) The (pseudo-)scalar coefficients are obtained using the (pseudo-)scalar coupling extracted from the experimental non-zero value of 
, (ii) we revisit a 
model in which the flavor changing neutral couplings are allowed. We provide the numerical estimates of the branching fractions of the above-mentioned modes in both scenarios.
© The Author(s), 2016
