Measurement of the absolute branching fraction of Ds+→τ+ντ decay
Using a sample of tagged Ds+ decays collected near the Ds*±Ds peak production energy in e+e- collisions with the CLEO-c detector, we study the leptonic decay Ds+→τ+ντ via the decay channel τ+→e+νeν̄τ. We measure B(Ds+→τ+ντ)=(6. 17±0.71±0.34)%, where the first error is statistical and the second syst...
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Materiálatiipa: | Journal article |
Giella: | English |
Almmustuhtton: |
2008
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