Measurement of the Electroweak Penguin Process B→Xsℓ+ℓ-
J. Kaneko, K. Abe, T. Abe, I. Adachi et autres
We report the first measurement of the branching fraction for the inclusive decay B ! X s ' ' ÿ , where ' is either an electron or a muon, and X s is a hadronic recoil system that contains an s …
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