<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:msup><mml:mi>D</mml:mi><mml:mo>∗</mml:mo></mml:msup><mml:msub><mml:mi>D</mml:mi><mml:mi>s</mml:mi></mml:msub><mml:mi>K</mml:mi></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si2.gif" overflow="scroll"><mml:msubsup><mml:mi>D</mml:mi><mml:mi>s</mml:mi><mml:mo>∗</mml:mo></mml:msubsup><mml:mi>D</mml:mi><mml:mi>K</mml:mi></mml:math> vertices in a QCD sum rule approach

Mirian E. Bracco, A. S. Cerqueira, M. Chiapparini, A. Lozéa, M. Nielsen

We calculate the strong form factors and coupling constants of D∗DsK and Ds∗DK vertices using the QCD sum rules technique. In each case we have considered tw...