https://doi.org/10.1140/epja/i2013-13103-y
Regular Article - Theoretical Physics
Strong coupling constant of vector bottomonium to the pseudoscalar and vector Bc mesons via QCD sum rules
1
Department of Physics, Eastern Mediterranean University, G. Magusa, North Cyprus, Mersin 10, Turkey
2
Faculty of Engineering, Cyprus International University, G. Magusa, North Cyprus, Mersin 10, Turkey
* e-mail: akbar.abbasi@emu.edu.tr
Received:
25
May
2013
Revised:
28
June
2013
Accepted:
5
July
2013
Published online:
9
August
2013
The strong coupling constant is evaluated using the three-point QCD sum rules. The correlation functions used to calculate these strong coupling constants contain contributions of both B
c
V
and B
c
ps
mesons as off-shell states with contributions of two gluon condensates as a radiative corrections. The results,
GeV−1 for B
c
Ps
off-shell and
GeV−1 for B
c
V
off-shell are obtained for the relevant strong coupling constants.
© SIF, Springer-Verlag Berlin Heidelberg, 2013