학술논문
Coupling constants of D*DsK and Ds*DK processes
Document Type
article
Source
Brazilian Journal of Physics. March 2007 37(1a)
Subject
Language
English
ISSN
0103-9733
Abstract
We calculate the coupling constants of D*Ds K and Ds*DK vertices using the QCD sum rules technique. We compare our results with results obtained in the limit of SU(4) symmetry and we found that the symmetry is broken at the order of 40%.