https://doi.org/10.1140/epjc/s10052-013-2441-7
Regular Article - Theoretical Physics
Radiative D(D s ) decays in the covariant light front approach
1
College of Information Science and Engineering, Ocean University of China, Qingdao, Shandong, 266100, P.R. China
2
Department of Physics, Qufu Normal University, Qufu, Shandong, 273165, P.R. China
* e-mail: gli@mail.qfnu.edu.cn
Received:
26
February
2013
Revised:
30
April
2013
Published online:
17
May
2013
In the covariant light-front quark model, we investigate the D→V,A,T tensor form factors induced by c→u transition, which can contribute to radiative D(D s ) decays. The short distance contribution is much smaller than the experimental data, thus radiative D(D s ) decays is dominated by nonperturbative effect. We also include the weak annihilation contributions and the long distance contributions to D→Vγ. Our results for D→(K ∗0,ϕ)γ decays can approach the data and the other predictions should be checked with the BEPCII experiment.
© Springer-Verlag Berlin Heidelberg and Società Italiana di Fisica, 2013
