Ammar, Raymond G.Bean, AliceBesson, David ZekeDavis, Robin E. P.Kwak, NowhanZhao, X.2007-04-092007-04-092001-04Browder, TE; Li, Y, et al. Search for B ->tau nu and B -> K nu(nu)over-bar. PHYSICAL REVIEW LETTERS. April 2001. 86(14) : 2950-2954.http://publish.aps.org/https://hdl.handle.net/1808/1316We 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) < 8.4 X 10(-4) at 90% confidence level, We also establish B(B+/- --> K+/- nu <(nu )over bar >) < 2.4 X 10(-4) at 90% confidence level.en-USArticleopenAccess