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Non-perturbative Effects in $B \to X_{s}l^{+} l^{-}$
The rare decay $B\to X_sl^+l^-$ provides excellent prospects for precision tests of Standard Model flavour dynamics. The process can be computed in perturbation theory with small uncertainty. However, in order to ensure a reliable theoretical prediction, also potentially important effects from non-p...
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Lenguaje: | eng |
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1998
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Acceso en línea: | https://dx.doi.org/10.1016/S0920-5632(99)00174-7 http://cds.cern.ch/record/366095 |