Some heavy vector and tensor meson decay constants in light-front quark model

We study the decay constants ( f_M ) of the heavy vector ( D^* , D^*_s , B^* , B^*_s , B^*_c ) and tensor ( D_2^* , D_s2^* , B^*_2 , B^*_s2 ) mesons in the light-front quark model. With the known pseudoscalar meson decay constants of f_D , f_D_s , f_B , f_B_s , and f_B_c as the input parameters to determine the light-front meson wave functions, we obtain f_D^*, D^*_s, B^*,B^*_s,B^*_c = (252.0^+13.8_-11.6 , 318.3^+15.3_-12.6 , 201.9^+43.2_-41.4 , 244.2± 7.0 , 473.4± 18.2 ) and (264.9^+10.2_-9.5 , 330.9^+9.9_-9.0 , 220.2^+49.1_-46.2 , 265.7± 8.0 , 487.6± 19.2 ) MeV with Gaussian and power-law wave functions, respectively, while we have f_D_2^*,D_s2^*,B^*_2,B^*_s2 = ( 143.6^+24.9_-21.8 , 209.5^+29.1_-24.2 , 80.9^+33.8_-27.7 , 109.7^+15.7_-15.0 ) MeV with only Gaussian wave functions.