Please use this identifier to cite or link to this item:
https://hdl.handle.net/2445/138269
Title: | Search for Second-Class Currents in τ−→ωπ−ντ |
Author: | Garra Ticó, Jordi Graugés Pous, Eugeni BABAR Collaboration |
Keywords: | Física de partícules Experiments Particle physics Experiments |
Issue Date: | 22-Jul-2009 |
Publisher: | American Physical Society |
Abstract: | We report an analysis of τ − decaying into ω π − ν τ with ω → π + π − π 0 using a data sample containing nearly 320 × 10 6 τ pairs collected with the BABAR detector at the PEP-II B -Factory. We find no evidence for second-class currents, and we set an upper limit of 0.69% at 90% confidence level for the fraction of second-class currents in this decay mode. |
Note: | Reproducció del document publicat a: https://doi.org/10.1103/PhysRevLett.103.041802 |
It is part of: | Physical Review Letters, 2009, vol. 103, num. 4, p. 041802 |
URI: | https://hdl.handle.net/2445/138269 |
Related resource: | https://doi.org/10.1103/PhysRevLett.103.041802 |
ISSN: | 0031-9007 |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
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