G(Sigma Q Sigma Q pi) coupling constant via light cone QCD sum rules
Citation
AZİZİ, K., BAYAR, M., ÖZPİNECİ, A., SARAÇ, Y. (2010). G(Sigma Q Sigma Q pi) coupling constant via light cone QCD sum rules. Physical Review D, 82 (7), pp. 076004/1-076004/6, https://dx.doi.org./10.1103/PhysRevD.82.076004.Abstract
Using the most general form of the interpolating currents, the coupling constants g(Sigma b Sigma b pi) and g(Sigma c Sigma c pi) are calculated within the light cone QCD sum rules approach. It is found that g(Sigma c Sigma c pi) = -8.0 +/- 1.7 and g(Sigma b Sigma b pi) = -11.0 +/- 2.1.