Regular Article - Theoretical Physics
Form factors of transition within the light-front quark models
Institute of Particle and Nuclear Physics, Henan Normal University, 453007, Henan, China
Accepted: 30 April 2022
Published online: 17 May 2022
In this paper, we calculate the vector, axial-vector and tensor form factors of transition within the standard light-front (SLF) and covariant light-front (CLF) quark models (QMs). The self-consistency and Lorentz covariance of CLF QM with two types of correspondence schemes are investigated. The zero-mode effects and the spurious -dependent contributions to the form factors of transition are analyzed. Employing a self-consistent CLF QM, we present our numerical predictions for the vector, axial-vector and tensor form factors of () induced , , , transitions and induced , , , transitions. Finally, in order to test the obtained form factors, the semileptonic () and decays are studied. It is expected that our results for the form factors of transition can be applied further to the relevant phenomenological studies of meson decays.
© The Author(s) 2022
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