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Measurement of the absolute branching fraction of Ds+→τ+ντ decay

Abstract:: 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 systematic. Combining this result with our measurements of Ds+→μ+νμ and Ds+→τ+ντ (via τ+→π+ν ̄τ), we determine fDs=(274±10±5)MeV. © 2008 The American Physical Society.

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APA Style

Ecklund, K., Love, W., Savinov, V., Lopez, A., Mendez, H., Ramirez, J., Ge, J., Miller, D., Shipsey, I., Xin, B., Adams, G., Anderson, M., Cummings, J., Danko, I., Hu, D., Moziak, B., Napolitano, J., He, Q., Insler, J., … Blusk, S. (2008). Measurement of the absolute branching fraction of Ds+→τ+ντ decay. Physical Review Letters, 100(16).

MLA Style

Ecklund, K., et al. “Measurement of the Absolute Branching Fraction of Ds+→τ+Ντ Decay.” Physical Review Letters, vol. 100, no. 16, 2008.

Chicago Style

Ecklund, K, W Love, V Savinov, A Lopez, H Mendez, J Ramirez, J Ge, et al. 2008. “Measurement of the Absolute Branching Fraction of Ds+→τ+Ντ Decay.” Physical Review Letters 100 (16).
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Publisher copy:: 10.1103/PhysRevLett.100.161801

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+ Love, W More by this author

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+ Savinov, V More by this author

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+ Mendez, H More by this author

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Bibliographic Details

Journal:: Physical Review Letters
Volume:: 100
Issue:: 16
Publication date:: 2008-04-21
DOI:: 10.1103/PhysRevLett.100.161801
EISSN:: 1079-7114
ISSN:: 0031-9007

Item Description

Language:: English
Pubs id:: pubs:160763
UUID:: uuid:c61af0ad-a983-4062-a291-12381a6a22e3
Local pid:: pubs:160763
Source identifiers:: 160763
Deposit date:: 2013-11-16

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Copyright date:: 2008

Licence:: Terms and Conditions of Use for Oxford University Research Archive

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