Coupling constants of $D^*D_sK$ and $D_s^*DK$ processes
published by Marcelo Chiapparini Dr.
in 2006
and research's language is
English
Download
Abstract in English
We calculate the coupling constants of $D^*D_sK$ and $D_s^*DK$ vertices using the QCD sum rules technique. We compare results obtained in the limit of SU(4) symmetry and found that the symmetry is broken on the order of 40%.