Prospects for $B_c^{+}\to {\tau }^{+}{\nu }_{\tau }$ at FCC-ee

Yasmine Amhis, Marie Hartmann, Clément Helsens +2

This paper presents the prospects for a precise measurement of the branching fraction of the leptonic $B_c^{+}\to {\tau }^{+}{\nu }_{\tau }$ decay at the Future Circular Collider (FCC-ee) running at…