Study of the Decayτ−→2π−π+3π0ντ

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ID: 274101
1997
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Abstract
The decay τ−→2π−π+3π0ντ has been studied with the CLEO II detector at the Cornell Electron Storage Ring. The branching fraction is measured to be (2.85±0.56±0.51)×10−4. The result is in good agreement with the isospin expectation but somewhat below the conserved-vector-current prediction. We have searched for resonance substructure in the decay. Within the statistical precision, the decay is saturated by the channels τ−→π−2π0ωντ, 2π−π+ηντ, and π−2π0ηντ. This is the first observation of this ω decay mode and the branching fraction is measured to be (1.89−0.67+0.74±0.40)×10−4.
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Authors S. Anderson, Y. Kubota, S J. Lee, J. J. O'neill, S. Patton, Ronald Poling, T. Riehle, V. Savinov, A. Smith, M. S. Alam, S. B. Athar, Z. Ling, A. H. Mahmood, H. Severini, S. Timm, F. Wappler, A. Anastassov, J. E. Duboscq, D. Fujino, K. K. Gan, T. Hart, D. Homoelle, K. Honscheid, H. Kagan, R. Kass, J. Lee, M. B. Spencer, M. Sung, A. Undrus, R. Wanke, A. Wolf, M. M. Zoeller, B. Nemati, S. J. Richichi, W. R. Ross, P. Skubic, M. Bishai, J. Fast, J. W. Hinson, N. Menon, D. H. Miller, E. I. Shibata, I. P. J. Shipsey, M. Yurko, L. Gibbons, S. Glenn, Sarah D. Johnson, Y. Kwon, S. Roberts, E. H. Thorndike, C. P. Jessop, K. Lingel, H. Marsiske, M. L. Perl, D. Ugolini, R. Wang, X. Zhou, T. E. Coan, V. Fadeyev, I. Korolkov, Y. Maravin, I. Narsky, V. Shelkov, J. Staeck, R. Stroynowski, I. Volobouev, J. Ye, M. Artuso, A. Efimov, M. Goldberg, D. He, S. Kopp, G. C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. Stone, G. Viehhauser, X. Xing, J. Bartelt, S. E. Csorna, V. Jain, K. W. McLean, S. Marka, R. Godang, K. Kinoshita, I. C. Lai, P. Pomianowski, S. Schrenk, G. Bonvicini, D. Cinabro, R. Greene, L. P. Perera, G. J. Zhou, B. Barish, M. Chadha, S. Chan, G. Eigen, J. S. Miller, C. O'grady
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Journal physical review letters
Year 1997
DOI
10.1103/physrevlett.79.3814
URL
https://sciprofiles.com/publication/view/50befa7f35cb9fbbcdb1e7078096532c
Keywords
study of the decay

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