Pion couplings to the scalar B meson

Benoît Blossier, Nicolas Garron, Antoine Gérardin

We present two-flavor lattice QCD estimates of the hadronic couplings $g_{B_0^{\ast }B\pi }$ and $g_{B_1^{\ast }{B}_0^{\ast }\pi }$ that parametrise the non leptonic decays $B_0^{\ast }\to B\pi$ and $B^*_1 \t…