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g(Sigma Q Sigma Q pi) coupling constant via light cone QCD sum rules

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2010-10-11
AZİZİ, KAZEM
BAYAR, MELAHAT
Özpineci, Altuğ
SARAÇ OYMAK, YASEMİN
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.