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Título : Search for Second-Class Currents in tau(-) -> omega pi(-)nu(tau)
Autor : Babar Collaboration, Azzolini, Virginia, López-March, Neus, Martínez-Vidal, Fernando, Milanés, Diego A., Oyanguren, Arantza, Aubert, B.
Fecha de publicación : 24-Jul-2009
Editor: American Physical Society
Resumen: 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.
Versión del editor: 10.1103/PhysRevLett.103.041802
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.103.041802
Citación : Physical Review Letters 103 (4): 041802 (2009)
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