The s-d Transition in Heavy Mesons
classification
✦ hep-ph
keywords
transitiontransitionsanalyzedcalculatedclasscoefficientsdeltadiscussed
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A class of $|\Delta s|=1$ transition is analyzed in the $D_s^+-D^+$ and $\bar B_s^0-\bar B^0$ systems. Short distance Wilson coefficients are calculated within HQET. Novel features of the transitions are discussed. We find that these transitions are unobservable in the standard model.
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