First single experiment observation of the decay Bs0→ μ+μ-
From discovery to precision measurement. [ Branching fraction Bs0→ μ+μ– = (3.0±0.6+0.3-0.2)x10-9 ; B0→ μ+μ– < 3.4×10-10 ] Today, in a seminar at CERN, the LHCb collaboration presented the first…