Investigating non-local contributions in $B_s\to \varphi \bar{\ell }\ell$ including higher-twist effects

M. S. A. Alam Khan, Rusa Mandal, Praveen S Patil +1

We analyze the impact of higher-twist three-particle $B_s$-meson light-cone distribution amplitudes (LCDAs) on the non-local form factors for the $B_s\to \varphi \bar{\ell }\ell$ transiti…