Search for the Decay B→xμ+μ−

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Physics letters B（1998）

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摘要

We have searched for the flavor-changing neutral current decay b→Xsμ+μ− in pp̄ collisions at s=1.8 TeV with the DØ detector at Fermilab. We determine the 90% confidence level limit for the branching fraction to be B(b→Xsμ+μ−) < 3.2×10−4. We argue that this limit is more stringent than the best published limit on this decay rate.

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