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First observation of the decay tau(-)-> K*(-)eta nu(tau)

dc.contributor.authorAmmar, Raymond G.
dc.contributor.authorBaringer, Philip S.
dc.contributor.authorBean, Alice
dc.contributor.authorBesson, David Zeke
dc.contributor.authorCoppage, Don
dc.contributor.authorDarling, C.
dc.contributor.authorDavis, Robin E. P.
dc.contributor.authorKotov, S.
dc.contributor.authorKravchenko, I.
dc.contributor.authorKwak, Nowhan
dc.contributor.authorZhou, L.
dc.date.accessioned2007-04-13
dc.date.available2007-04-13
dc.date.issued1999-01
dc.identifier.citationBishai, M, Chen, S, et al. First observation of the decay tau(-)-> K*(-)eta nu(tau). PHYSICAL REVIEW LETTERS. January 1999. 82(2) : 281-285
dc.identifier.otherhttp://publish.aps.org/
dc.identifier.urihttp://hdl.handle.net/1808/1381
dc.description.abstractThe decay tau(-) --> K*(-) eta nu(tau) has been observed with the CLEO II detector. The K*(-) is reconstructed in two decay channels, K*(-) -->, KSpi- --> pi(-)pi(+)pi(-) and K*(-) --> K- pi(0). The eta is reconstructed from the decay eta --> gamma gamma. The measured branching fraction is B(tau(-) --> K- pi(0)eta nu(tau)) = (2.9 +/- 0.8 +/- 0.3) x 10(-4). We also measure the inclusive branching fractions without requiring the K* resonance, B(tau(-) --> K(S)pi(-) eta nu(tau)) = (1.10 +/- 0.35 +/- 0.11) x 10(-4) and B(tau(-) --> K- pi(0)eta nu(tau)) = (1.77 +/- 0.56 +/- 0.71) x 10(-4). The results indicate that the K*(-) resonance dominates the K(S)pi(-) mass spectrum.
dc.language.isoen_US
dc.publisherAMERICAN PHYSICAL SOC
dc.titleFirst observation of the decay tau(-)-> K*(-)eta nu(tau)
dc.typeArticle
dc.rights.accessrightsopenAccess


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