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...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
2008
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| _version_ | 1826295746861727744 |
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| author | 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 Muramatsu, H Park, C Thorndike, E Yang, F Artuso, M Blusk, S |
| author_facet | 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 Muramatsu, H Park, C Thorndike, E Yang, F Artuso, M Blusk, S |
| author_sort | Ecklund, K |
| collection | OXFORD |
| description | 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. |
| first_indexed | 2024-03-07T04:05:48Z |
| format | Journal article |
| id | oxford-uuid:c61af0ad-a983-4062-a291-12381a6a22e3 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T04:05:48Z |
| publishDate | 2008 |
| record_format | dspace |
| spelling | oxford-uuid:c61af0ad-a983-4062-a291-12381a6a22e32022-03-27T06:35:50ZMeasurement of the absolute branching fraction of Ds+→τ+ντ decayJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:c61af0ad-a983-4062-a291-12381a6a22e3EnglishSymplectic Elements at Oxford2008Ecklund, KLove, WSavinov, VLopez, AMendez, HRamirez, JGe, JMiller, DShipsey, IXin, BAdams, GAnderson, MCummings, JDanko, IHu, DMoziak, BNapolitano, JHe, QInsler, JMuramatsu, HPark, CThorndike, EYang, FArtuso, MBlusk, SUsing 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. |
| spellingShingle | 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 Muramatsu, H Park, C Thorndike, E Yang, F Artuso, M Blusk, S Measurement of the absolute branching fraction of Ds+→τ+ντ decay |
| title | Measurement of the absolute branching fraction of Ds+→τ+ντ decay |
| title_full | Measurement of the absolute branching fraction of Ds+→τ+ντ decay |
| title_fullStr | Measurement of the absolute branching fraction of Ds+→τ+ντ decay |
| title_full_unstemmed | Measurement of the absolute branching fraction of Ds+→τ+ντ decay |
| title_short | Measurement of the absolute branching fraction of Ds+→τ+ντ decay |
| title_sort | measurement of the absolute branching fraction of ds τ ντ decay |
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