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arXiv · hep-ph/0002295

A note on spectator effects and quark-hadron duality in inclusive beauty decays

S. Arunagiri
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Abstract

In this paper, we evaluate the expectation values of four-quark operators for the inclusive beauty decays from the differences in the inclusive total decay rates, assuming that the heavy quark expansion converges at $O(1/m^3)$. The obtained expectation values yeilds the ratio $τ(Λ_b)/τ(B)$ close to the experimental onee. We further point out that the quark-hadron duality violation would be rather small allowing predictions of inclusive quantities.

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S. Arunagiri. 2000-08-14. A note on spectator effects and quark-hadron duality in inclusive beauty decays. https://doi.org/10.1016/s0370-2693(00)00960-6

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