Search for B --> tau(nu) and B --> K(nu)nu

We report results of a search for B-->tau(nu) in a sample of 9.7 x 10(6) charged B meson decays. We exclusively reconstruct the companion B decay to suppress background. We set an upper limit on the branching fraction B(B-->tau(nu))K+/-nu(nu))

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Veröffentlicht in:	Physical review letters 2001-04, Vol.86 (14), p.2950-2954
Hauptverfasser:	Browder, T E, Li, Y, Rodriguez, J L, Yamamoto, H, Bergfeld, T, Eisenstein, B I, Ernst, J, Gladding, G E, Gollin, G D, Hans, R M, Johnson, E, Karliner, I, Marsh, M A, Palmer, M, Plager, C, Sedlack, C, Selen, M, Thaler, J J, Williams, J, Edwards, K W, Janicek, R, Patel, P M, Sadoff, A J, Ammar, R, Bean, A, Besson, D, Davis, R, Kwak, N, Zhao, X, Anderson, S, Frolov, V V, Kubota, Y, Lee, S J, Mahapatra, R, O'Neill, J J, Poling, R, Riehle, T, Smith, A, Stepaniak, C J, Urheim, J, Ahmed, S, Alam, M S, Athar, S B, Jian, L, Ling, L, Saleem, M, Timm, S, Wappler, F, Anastassov, A, Duboscq, J E, Eckhart, E, Gan, K K, Gwon, C, Hart, T, Honscheid, K, Hufnagel, D, Kagan, H, Kass, R, Pedlar, T K, Schwarthoff, H, Thayer, J B, von Toerne, E, Zoeller, M M, Richichi, S J, Severini, H, Skubic, P, Undrus, A, Chen, S, Fast, J, Hinson, J W, Lee, J, Miller, D H, Shibata, E I, Shipsey, I P, Pavlunin, V, Cronin-Hennessy, D, Lyon, A L, Thorndike, E H, Jessop, C P, Marsiske, H, Perl, M L, Savinov, V, Ugolini, D, Zhou, X, Coan, T E, Fadeyev, V, Maravin, Y, Narsky, I, Stroynowski, R, Ye, J, Wlodek, T, Artuso, M, Ayad, R, Boulahouache, C, Bukin, K, Dambasuren, E, Karamov, S, Majumder, G, Moneti, G C, Mountain, R
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Sprache:	eng
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Zusammenfassung:	We report results of a search for B-->tau(nu) in a sample of 9.7 x 10(6) charged B meson decays. We exclusively reconstruct the companion B decay to suppress background. We set an upper limit on the branching fraction B(B-->tau(nu))K+/-nu(nu))
ISSN:	0031-9007