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Measurement of the fragmentation fraction ratio f s /f d and its dependence on B meson kinematics
A bstract The relative production rate of $ B_s^0 $ and B 0 mesons is determined with the hadronic decays $ B_s^0\to D_s^{-}{\pi^{+}} $ and B 0 → D − K + . The measurement uses data corresponding to 1.0 fb −1 of pp collisions at a centre-of-mass energy of …