$\eta_{c}\rightarrow l^{+}l^{-}$ and $\chi_{c0}\rightarrow l^{+}l^{-}$ decays revisited

A. Kupsc; N. Kivel

arxiv: 1602.07460 · v1 · pith:SLULD4FLnew · submitted 2016-02-24 · ✦ hep-ph

η_(c)rightarrow l⁺l⁻ and chi_(c0)rightarrow l⁺l⁻ decays revisited

N. Kivel , A. Kupsc This is my paper

classification ✦ hep-ph

keywords rightarrowamplitudesapproximationbranchingscalculationcomputeddecaydecays

0 comments

read the original abstract

We present a calculation of $\eta_{c}\rightarrow l^{+}l^{-}$ and $\chi_{c0}\rightarrow l^{+}l^{-}$ decay widths. The amplitudes are computed within leading-order approximation using NRQCD framework. Numerical results for the branchings fractions are presented.

This paper has not been read by Pith yet.

η_(c)rightarrow l⁺l⁻ and chi_(c0)rightarrow l⁺l⁻ decays revisited

discussion (0)