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Zhang","submitted_at":"2015-09-22T09:25:11Z","abstract_excerpt":"We search for the process $B^0 \\to \\pi^- \\tau^+ \\nu_\\tau$ using the full Belle data set of $711\\,{\\rm fb}^{-1}$, corresponding to $772 \\times 10^6 B\\bar{B}$ pairs, collected at the $\\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+ e^-$ collider. We reconstruct one $B$ meson in a hadronic decay and search for the $B^0 \\to \\pi^- \\tau^+ \\nu_\\tau$ process in the remainder of the event. 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Abdesselam, A. Bozek, A. Chen, A. Drutskoy, A. Frey, A. Garmash, A. Ishikawa, A. Kuzmin, A. M. Bakich, A. Moll, A. Rostomyan, A. Sibidanov, A. Sokolov, A. Vossen, A. Zupanc, B. Bhuyan, Belle Collaboration: P. Hamer, B. G. Cheon, B. G. Fulsom, B. Golob, B. Pal, C. H. Wang, C. Kiesling, C. Oswald, C. Pulvermacher, C. Schwanda, C. Van Hulse, D. Cinabro, D. Dutta, D. Getzkow, D. Greenwald, D. H. Lee, D. Joffe, D. Liventsev, D. M. Asner, D. Matvienko, D. \\v{C}ervenkov, D. Y. Kim, E. Barberio, E. Kato, E. Nakano, E. Ribe\\v{z}l, E. Solovieva, E. Won, F. Simon, G. B. Mohanty, G. Inguglia, G. Pakhlova, G. Schnell, G. Varner, H. Aihara, H. B. Jeon, H. Farhat, H. Hayashii, H. K. Moon, H. Li, H. Miyake, H. Miyata, H. Park, H. Sahoo, H. Yamamoto, I. Adachi, I. Badhrees, I. Danko, I. Jaegle, I. S. Lee, J. Biswal, J. B. Kim, J. Dalseno, J. Dingfelder, J. E. Fast, J.-G. Shiu, J. Haba, J. Hasenbusch, J. H. Kim, J. Libby, J. Rauch, J. S. Lange, J. Stypula, J. Yamaoka, K. Arinstein, K. Chilikin, K. 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