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CINABRO, D; HENDERSON, S; BARINGER, P; COPPAE, D; COPTY, N; DAVIS, R; HANCOCK, N; KELLY, M; KWAK, N; LAM, H; KUBOTA, Y; LATTERY, M; KINOSHITA, K; NELSON, J. K; PATTON, S; PERTICONE, D; POLING, R; SAVINOV, V; SCHRENK, S; WANG, R; ALAM, M. S; KIM, I. J; NEMATI, B; LIU, T; O'NEILL, J. J; ROMERO, V; SEVERINI, H; SUN, C. R; ZOELLER, M. M; CRAWFORD, G; FULTON, R; FUJINO, D; GAN, K. K; KAGAN, H; SAULNIER, M; KASS, R; LEE, J; MALCHOW, R; MORROW, F; SKOVPEN, Y; SUNG, M; WHITE, C; WHITMORE, J; WILSON, P; BUTLER, F; WILSON, R; FU, X; KALBFLEISH, G; LAMBRECHT, M; ROSS, W. R; SKUBIC, P; SNOW, J; WANG, P. L; WOOD, M; BORTOLETTO, D; BROWN, D. N; YAMAMOTO, H; SADOFF, A. J; AMMAR, R; BALL, S
Physical review letters, 06/1993, Letnik: 70, Številka: 24Journal Article
A limit on the tau neutrino mass ital Msub nutau is obtained from a study of tau decays in the reaction ital esup +ital eminusr arrowtausup +tausup minus at center-of-mass energies similar to10.6 GeV. The result is based on an end-point analysis of the invariant mass spectrum of the decay products in the decay modes tausup minusr arrow3ital hsup minus2ital hsup +nusub tau and tausup minusr arrow2ital hsup minusital h+2pisup 0nusub tau. The data sample used in this analysis contains 1.77times10sup 6 tau pairs, corresponding to an integrated luminosity of 1.92 fbsup minus1, and is substantially larger than previous data samples used to place a limit on ital Msub nutau. The limit obtained for both five-hadron modes together is 32.6 MeV at 95% C.L.
