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Search for Second-Class Currents in tau ---> omega pi - nu tau

Author(s)
Dujmic, Denis; Yamamoto, R. K.; Sciolla, Gabriella; Henderson, Shawn Wesley; Zhao, M.; Fisher, Peter H; Spitznagel, Michael A; Cowan, Ray F; ... Show more Show less
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Abstract
We report an analysis of τ- decaying into ωπ-ντ with ω→π(+)π-π(0) using a data sample containing nearly 320×106τ 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.
Date issued
2009-07
URI
http://hdl.handle.net/1721.1/51737
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Aubert, B. et al. “Search for Second-Class Currents in tau ---> omega pi - nu tau .” Physical Review Letters 103.4 (2009): 041802. © 2009 The American Physical Society.
Version: Final published version
ISSN
0031-9007

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