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Search for second-class currents in tau(-) -> omega pi(-)nu(tau)

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BaBar Collaboration (Including:

Aubert, B., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., Prudent, X., Tisserand, V., Garra Tico, J., Grauges, E., Martinelli, M. et al.
). (2009) Search for second-class currents in tau(-) -> omega pi(-)nu(tau). Physical Review Letters, Vol.103 (No.4). article no. 041802. ISSN 0031-9007

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Abstract

We report an analysis of tau(-) decaying into omega pi(-)nu(tau) with omega -> pi(+)pi(-)pi(0) using a data sample containing nearly 320 x 10(6)tau 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.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Physics
Journal or Publication Title: Physical Review Letters
Publisher: American Physical Society
ISSN: 0031-9007
Date: 24 July 2009
Volume: Vol.103
Number: No.4
Number of Pages: 7
Page Range: article no. 041802
Identification Number: 10.1103/PhysRevLett.103.041802
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
URI: http://wrap.warwick.ac.uk/id/eprint/17549

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