Singlet vector leptoquark model facing recent LHCb and BABAR measurements

Cristian H. García-Duque, J. M. Cabarcas, J. H. Muñoz +2

Very recently the LHCb experiment released the first measurement of the ratio $R({\Lambda }_c)=\mathrm{BR}({\Lambda }_b\to {\Lambda }_c\tau {\bar{\nu }}_{\tau })/\mathrm{BR}({\Lambda }_b\to {\Lambda }_c\mu {\bar{\nu }}_{\mu })$. Moreover, the BABAR experiment…