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Measurement of the b ---> tau- anti-tau-neutrino X branching ratio

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  • ALEPH Collaboration
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<mark>Journal publication date</mark>1993
<mark>Journal</mark>Physics Letters B
Issue number3-4
Volume298
Number of pages13
Pages (from-to)479-491
<mark>State</mark>Published
<mark>Original language</mark>English

Abstract

Using a missing energy tag, evidence is presented for the decay b ---&gt; tau- anti-tau-neutrino X, and its branching ratio is measured to be (4.08 ± 0.76 ± 0.62)%.