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A Study of tau decays involving eta and omega mesons

Buskulic, D. and Finch, Alexander (1997) A Study of tau decays involving eta and omega mesons. Zeitschrift für Physik C Particles and Fields, 74 (2). pp. 263-273. ISSN 0170-9739

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Abstract

The 132 pb(-1) of data collected by ALEPH from 1991 to 1994 have been used to analyze eta and omega production in 7 decays. The following branching fractions have been measured:B(tau(-) --> nu(tau)omega h(-)) = (1.91 +/- 0.07 +/- 0.06) x 10(-2),B(tau(-) --> nu(tau)omega h(-)pi(0)) = (4.3 +/- 0.6 +/- 0.5) x 10(-3),B(tau(-) --> nu(tau)eta K-) = (2.9(-1.2)(+1.3) +/- 0.7) x 10(-4),B(tau(-) --> nu(tau)eta(h)(-)pi(0)) = (1.8 +/- 0.4 +/- 0.2) x 10(-3)and the 95% C.L. limit B(tau(-) --> nu(tau)eta pi(-)) < 6.2 x 10(-4) has been obtained. The omega pi(-) and eta pi(-)pi(0) rates and dynamics are found in agreement with the predictions made from e(+)e(-) annihilation data with the help of isospin invariance (CVC).

Item Type: Article
Journal or Publication Title: Zeitschrift für Physik C Particles and Fields
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 64034
Deposited By: ep_importer_pure
Deposited On: 14 May 2013 15:26
Refereed?: Yes
Published?: Published
Last Modified: 17 Nov 2017 11:25
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/64034

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