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Analysis of the radiative decays Sigma_Q to Λ_Q γ and Xi^prime_Q to Xi_Q γ in light cone sum rules
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The light cone sum rules method is used in studying the radiative decays $\Sigma_Q \to \Lambda_Q \gamma$ and $\Xi^\prime_Q \to \Xi_Q \gamma$. 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.
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Analysis of the semileptonic decays $\Sigma_b\to\Sigma_cl\bar{\nu}_l$, $\Xi'_b\to\Xi'_cl\bar{\nu}_l$ and $\Omega_b\to\Omega_cl\bar{\nu}_l$ in QCD sum rules
Electroweak form factors for Σ_b→Σ_c, Ξ'_b→Ξ'_c and Ω_b→Ω_c transitions are computed in QCD sum rules, producing decay widths that approximately obey SU(3) flavor symmetry along with branching ratios and new-physics p...
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