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Λb LIFETIME FROM THE HQET SUM RULE

    https://doi.org/10.1142/9789812777379_0040Cited by:0 (Source: Crossref)
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    Abstract:

    The HQET sum rule analysis for the Λb matrix element of the four-quark operator relevant to its lifetime is reported. Our main conclusion is that the lifetime ratio τ(Λb)/τ(B0) can be as low as 0.91.

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