A systematic light-cone sum-rule calculation of strong decays for P-wave bottom baryons finds eight narrow states, matching several observed resonances.
Twist-3 Distribution Amplitudes of K* and phi Mesons
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abstract
We present a systematic study of twist-3 light-cone distribution amplitudes of $K^*$ and $\phi$ mesons in QCD. The structure of SU(3)-breaking corrections is studied in detail. Non-perturbative input parameters are estimated from QCD sum rules. As a by-product, we update the parameters describing the twist-3 distribution amplitudes of the $\rho$ meson. We also review and update predictions for the twist-2 distribution amplitudes of $\rho$, $K^*$ and $\phi$.
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Strong decay properties of P-wave single bottom baryons of the SU(3) flavor antitriplet $\bf\bar 3_F$
A systematic light-cone sum-rule calculation of strong decays for P-wave bottom baryons finds eight narrow states, matching several observed resonances.