https://doi.org/10.1140/epjc/s10052-016-4306-3
Regular Article - Theoretical Physics
D-wave charmonia 
, 
, and 
in 
decays
Department of Physics, Harbin Institute of Technology, Harbin, 150001, People’s Republic of China
* e-mail: thwang@hit.edu.cn
Received:
11
July
2016
Accepted:
1
August
2016
Published online:
12
August
2016
We study the semileptonic and nonleptonic decays of meson to D-wave charmonia, namely, , , and . In our calculations, the instantaneous Bethe–Salpeter method is applied to obtain the hadronic matrix elements. This method includes relativistic corrections which are important especially for the higher orbital excited states. For the semileptonic decay channels with electron as the final lepton, we get the branching ratios 
, 
, and 
. The transition form factors, forward–backward asymmetries, and lepton spectra in these processes are also presented. For the nonleptonic decay channels, those with 
as the lighter meson have the largest branching ratios, 
, 
, and 
.
© The Author(s), 2016
