Phys. Rev. Lett.
72,
3762–3766
(1994)
Measurement of the branching fraction scrB(τ-→h-→π0ντ)
M. Artuso et al.
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M. Artuso, M. Goldberg, D. He, N. Horwitz, R. Kennett, R. Mountain, G. C. Moneti, F. Muheim, Y. Mukhin, S. Playfer, Y. Rozen, S. Stone, M. Thulasidas, G. Vasseur, X. Xing, G. Zhu, J. Bartelt, S. E. Csorna, Z. Egyed, V. Jain, K. Kinoshita, B. Barish, M. Chadha, S. Chan, D. F. Cowen, G. Eigen, J. S. Miller, C. O’Grady, J. Urheim, A. J. Weinstein, D. Acosta, M. Athanas, G. Masek, H. P. Paar, M. Sivertz, J. Gronberg, R. Kutschke, S. Menary, R. J. Morrison, S. Nakanishi, H. N. Nelson, T. K. Nelson, C. Qiao, J. D. Richman, A. Ryd, H. Tajima, D. Sperka, M. S. Witherell, M. Procario, R. Balest, K. Cho, M. Daoudi, W. T. Ford, D. R. Johnson, K. Lingel, M. Lohner, P. Rankin, J. G. Smith, J. P. Alexander, C. Bebek, K. Berkelman, K. Bloom, T. E. Browder, D. G. Cassel, H. A. Cho, D. M. Coffman, D. S. Crowcroft, P. S. Drell, R. Ehrlich, P. Gaidarev, R. S. Galik, M. Garcia-Sciveres, B. Geiser, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, C. D. Jones, S. L. Jones, J. Kandaswamy, N. Katayama, P. C. Kim, D. L. Kreinick, G. S. Ludwig, J. Masui, J. Mevissen, N. B. Mistry, C. R. Ng, E. Nordberg, J. R. Patterson, D. Peterson, D. Riley, S. Salman, M. Sapper, F. Würthwein, P. Avery, A. Freyberger, J. Rodriguez, R. Stephens, S. Yang, J. Yelton, D. Cinabro, S. Henderson, T. Liu, M. Saulnier, R. Wilson, H. Yamamoto, T. Bergfeld, B. I. Eisenstein, G. Gollin, B. Ong, M. Palmer, M. Selen, J. J. Thaler, K. W. Edwards, M. Ogg, B. Spaan, A. Bellerive, D. I. Britton, E. R. F. Hyatt, D. B. MacFarlane, P. M. Patel, A. J. Sadoff, R. Ammar, S. Ball, P. Baringer, A. Bean, D. Besson, D. Coppage, N. Copty, R. Davis, N. Hancock, M. Kelly, S. Kotov, I. Kravchenko, N. Kwak, H. Lam, Y. Kubota, M. Lattery, M. Momayezi, J. K. Nelson, S. Patton, D. Perticone, R. Poling, V. Savinov, S. Schrenk, R. Wang, M. S. Alam, I. J. Kim, B. Nemati, J. J. O’Neill, H. Severini, C. R. Sun, M. M. Zoeller, G. Crawford, C. M. Daubenmier, R. Fulton, D. Fujino, K. K. Gan, K. Honscheid, H. Kagan, R. Kass, J. Lee, R. Malchow, Y. Skovpen, M. Sung, C. White, F. Butler, X. Fu, G. Kalbfleisch, W. R. Ross, P. Skubic, M. Wood, J. Fast, R. L. McIlwain, T. Miao, D. H. Miller, M. Modesitt, D. Payne, E. I. Shibata, I. P. J. Shipsey, P. N. Wang, M. Battle, J. Ernst, L. Gibbons, Y. Kwon, S. Roberts, E. H. Thorndike, C. H. Wang, J. Dominick, M. Lambrecht, S. Sanghera, V. Shelkov, T. Skwarnicki, R. Stroynowski, I. Volobouev, G. Wei, and P. Zadorozhny
Syracuse University, Sycracuse, New York 13244
Vanderbilt University, Nashville, Tennessee 37235
Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
California Institute of Technology, Pasadena, California 91125
University of California, San Diego, La Jolla, California 92093
University of California–Santa Barbara, Santa Barbara, California 93106
Carnegie-Mellon University, Pittsburgh, Pennsylvania 15213
University of Colorado, Boulder, Colorado 80309-0390
Cornell University, Ithaca, New York 14853
University of Florida, Gainesville, Florida 32611
Harvard University, Cambridge, Massachusetts 02138
University of Illinois, Champaign-Urbana, Urbana, Illinois 61801
Carleton University, Ottawa, Ontario, Canada K1S 5B6 and the Institute of Particle Physics, Montreal, Quebec Canada
McGill University, Montreal, Quebec, Canada H3A 2T8 and the Institute of Particle Physics, Montreal, Quebec Canada
Ithaca College, Ithaca, New York 14850
University of Kansas, Lawrence, Kansas 66045
University of Minnesota, Minneapolis, Minnesota 55455
State University of New York at Albany, Albany, New York 12222
Ohio State University, Columbus, Ohio 43210
University of Oklahoma, Norman, Oklahoma 73019
Purdue University, West Lafayette, Indiana 47907
University of Rochester, Rochester, New York 14627
Southern Methodist University, Dallas, Texas 75275
Received 1 April 1994; published in the issue dated 13 June 1994
Using data from the CLEO II detector at the Cornell Electron Storage Ring, we measure scrB(τ-→h-π0ντ) where h- refers to either π- or K-. We use three different methods to measure this branching fraction. The combined result is scrB(τ-→h-π0ντ)=0.2587±0.0012±0.0042, in good agreement with standard model predictions.
© 1994 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevLett.72.3762
DOI:
10.1103/PhysRevLett.72.3762
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