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MacQueen, C. P. Shen, C. Schwanda, C. Sharma, D. Cinabro, D. Epifanov, D. Ferlewicz, D. Greenwald, D. Liventsev, D. M. Asner, D. Matvienko, D. Sahoo, D. \\v{C}ervenkov, D. Y. Kim, E. Graziani, E. Kovalenko, E. Prencipe, E. Solovieva, E. Waheed, E. Wang, E. Won, F. Bernlochner, F. Di Capua, F. Metzner, F. Simon, F. Tenchini, G. B. Mohanty, G. De Nardo, G. De Pietro, G. Inguglia, G. Pakhlova, G. Russo, G. Schnell, G. Varner, H. Aihara, H. E. Cho, H. Hayashii, H. Ono, H. Park, H. Ye, I. Adachi, I. Ripp-Baudot, J. Bennett, J. Biswal, J. Dingfelder, J.-G. Shiu, J. H. Yin, J. Li, J. Libby, J. Schueler, J. S. Lange, J. Wiechczynski, J. Yelton, K. Adamczyk, K. Belous, K. Chilikin, K. Cho, K. E. Varvell, K. Gudkova, K. Hayasaka, K. H. Kang, K.-H. Kim, K. Inami, K. Kinoshita, K. K. Joo, K. Kumara, K. Lieret, K. Miyabayashi, K. Senyo, K. Sumisawa, K. Tanida, K. Trabelsi, K. Uno, L. Cao, L. E. Piilonen, L. K. Li, L. Li Gioi, L. Nayak, L. Santelj, M. Bauer, M. Bessner, M. Bra\\v{c}ko, M. Campajola, M.-C. Chang, M. E. Sevior, M. Iwasaki, M. Laurenza, M. Masuda, M. Merola, M. Nakao, M. Nayak, M. Niiyama, M. Shapkin, M. Stari\\v{c}, M. Sumihama, M. T. Prim, M. Uchida, M. Watanabe, M.-Z. Wang, N. Dash, N. Gabyshev, N. K. Nisar, N. Rout, O. Hartbrich, P. Behera, P. Branchini, P. Chang, P. Goldenzweig, P. Kody\\v{s}, P. Kri\\v{z}an, P. Krokovny, P. Oskin, P. Pakhlov, P. Urquijo, P. Wang, R. Ayad, R. Dhamija, R. Garg, R. Itoh, R. Kroeger, R. Kulasiri, R. Mizuk, R. Mussa, R. Pestotnik, R. van Tonder, S. Al Said, S. Bahinipati, S. B. Yang, S. Choudhury, S. C. Lee, S. Cunliffe, S. Das, S. Dubey, S. E. Vahsen, S. Halder, S. H. Kim, S.-H. Park, S. Jia, S.-K. Choi, S. Korpar, S. Nishida, S. Ogawa, S. Pardi, S. Paul, S. Sandilya, S. Uno, S. Watanuki, T. Aushev, T. Bilka, T. E. Browder, T. Ferber, T. Gu, T. Hara, T. Kawasaki, T. Konno, T. K. Pedlar, T. Kuhr, T. Matsuda, T. Podobnik, T. Sanuki, T. Sumiyoshi, T. Uglov, T. V. Dong, U. Tamponi, V. Aulchenko, V. Babu, V. Bhardwaj, V. Chekelian, V. Gaur, V. Savinov, V. Zhilich, V. Zhukova, W.-S. Hou, W. Sutcliffe, W. W. Jacobs, W. Yan, X. L. Wang, Y. B. Li, Y. Choi, Y. Guan, Y. Iwasaki, Y. Jin, Y.-J. Kwon, Y. Kato, Y.-K. Kim, Y. Onuki, Y. Seino, Y. Tao, Y.-T. Lai, Y. Unno, Z. Dole\\v{z}al, Z. Natkaniec, Z. P. Zhang, Z. S. Stottler","submitted_at":"2021-08-26T08:39:47Z","abstract_excerpt":"We present a search for the lepton-flavor-violating decays $B^{0} \\to \\tau^\\pm \\ell^\\mp$, where $\\ell=(e,\\,\\mu)$, using the full data sample of $772 \\times 10^6$ $B \\overline{B}$ pairs recorded by the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. We use events in which one $B$ meson is fully reconstructed in a hadronic decay mode. The $\\tau^\\pm$ lepton is reconstructed indirectly using the momentum of the reconstructed $B$ and that of the $\\ell^\\mp$ from the signal decay. 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