Rare semileptonic decay of ${\chi }_{c1}(1p)$ meson In QCD

N. Ghahramany, A. R. Houshyar

The rare semileptonic ${\chi }_{c1}(1p)\to D_s^{+}e\bar{\nu }$ decay is analyzed, by using the three-point QCD sum rules. Taking into account the two-gluon condensate contribution…