Measurements of Charged Current Lepton Universality and |V[subscript us]| Using Tau Lepton Decays to e-ν[over-bar]eνtau, mu-ν[over-bar]muν, pi-νtau, and K-νtau
Using 467 fb-1 of e+e- annihilation data collected with the BABAR detector, we measure B(τ- -->mu-ν̅ muντ)/B(τ- -->e-ν̅ eντ)=(0.9796±0.0016±0.0036), B(τ- -->pi-ντ)/B(τ- -->e-ν̅ eντ)=(0.5945±0.0014±0.0061), and B(τ-→K-ντ)/B(τ- -->e-ν̅ eντ)=(0.03882±0.00032±0.00057), where the uncertai...
Main Authors: | Fisher, Peter H. (Contributor), Cowan, Ray Franklin (Contributor), Dujmic, Denis (Contributor), Henderson, Shawn Wesley (Contributor), Sciolla, Gabriella (Contributor), Spitznagel, M. (Contributor), Yamamoto, R. K. (Contributor), Zhao, M. (Contributor) |
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Other Authors: | Massachusetts Institute of Technology. Department of Physics (Contributor), Massachusetts Institute of Technology. Laboratory for Nuclear Science (Contributor) |
Format: | Article |
Language: | English |
Published: |
American Physical Society,
2011-01-19T21:03:55Z.
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Subjects: | |
Online Access: | Get fulltext |
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