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Evidence for B- -> tau(-)(nu)over-bar(tau) with a semileptonic tagging method

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The experimental results on the ratios of branching fractions R(D) = B((B) over bar -> D tau(-)(nu) over bar (tau))/B((B) over bar -> Dl(-)(nu) over bar (e)) and R(D*) = B((B) over bar -> Dtau(-)(nu) over bar (tau))/B((B) over bar -> Dtau(-)(nu) over bar ...
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