Analysis of the radiative decays ${\mathrm{\Sigma }}_Q\to {\mathrm{\Lambda }}_Q\gamma$ and ${\mathrm{\Xi }}_Q^{\mathrm{\prime }}\to {\mathrm{\Xi }}_Q\gamma$ in light cone sum rules

The light cone sum rules method is used in studying the radiative decays ${\mathrm{\Sigma }}_Q\to {\mathrm{\Lambda }}_Q\gamma$ and ${\mathrm{\Xi }}_Q^{\mathrm{\prime }}\to {\mathrm{\Xi }}_Q\gamma$. Firstly, the sum rules for the form factor $F_2(Q^2=0)$ responsible for these transitions is constructed. Using this result the decay widths of the above–mentioned decays are calculated and analyzed. A comparison of our predictions on the decay widths of considered transitions with the predictions of the other approaches is presented.