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Joffe, D. M. Asner, D. Matvienko, D. \\v{C}ervenkov, D. Y. Kim, E. Barberio, E. Kato, E. Nakano, E. Ribe\\v{z}l, E. Won, F. Simon, G. B. Mohanty, G. Bonvicini, G. Pakhlova, G. Schnell, G. Varner, H. Aihara, H. Farhat, H. J. Kim, H. K. Moon, H. Miyata, H. Park, I. Adachi, I. Badhrees, I. Jaegle, I. S. Lee, J. B. Kim, J. E. Fast, J.-G. Shiu, J. Haba, J. H. Kim, J. Libby, J. S. Lange, J. Stypula, K. Adamczyk, K. Arinstein, K. Cho, K. Hayasaka, K. Inami, K. Kinoshita, K. Miyabayashi, K. M. Williams, K. Senyo, K. T. Kim, K. Trabelsi, L. E. Piilonen, L. Pes\\'antez, L. Santelj, M. Bra\\v{c}ko, M. Danilov, M. E. Sevior, M. Feindt, M. Heck, M. Nakao, M. Nayak, M. N. Wagner, M. Petri\\v{c}, M. Ritter, M. Shapkin, M. Stari\\v{c}, M. Steder, M. Uchida, M.-Z. Wang, N. Gabyshev, N. K. Nisar, O. Schneider, P. Goldenzweig, P. Katrenko, P. Kody\\v{s}, P. Kri\\v{z}an, P. Krokovny, P. Lewis, P. Lukin, P. Urquijo, P. Vanhoefer, R. Ayad, R. Gillard, R. Glattauer, R. Itoh, R. Mizuk, R. Mussa, R. Pestotnik, S. Eidelman, S. H. Kim, S. Korpar, S. L. Olsen, S. Nishida, S. Ogawa, S. Okuno, S. Ryu, S. Sandilya, S. Uno, S. Yashchenko, T.-A. Shibata, T. Aushev, T. E. Browder, T. Ferber, T. Horiguchi, T. Iijima, T. Kawasaki, T. K. Pedlar, T. Kuhr, T. Kumita, T. Nanut, T. Sanuki, T. Uglov, U. Tamponi, V. Aulchenko, V. Babu, V. Bhardwaj, V. Chobanova, V. Gaur, V. Savinov, V. Shebalin, V. Zhilich, W.-S. Hou, X. H. He, X. L. Wang, Y. Choi, Y. Iwasaki, Y.-J. Kwon, Y. M. Goh, Y. Sakai, Y. Sato, Y.-S. Sohn, Y. Teramoto, Y. Unno, Y. Watanabe, Y. Yamashita, Z. Dole\\v{z}al, Z. Dr\\'asal, Z. Natkaniec, Z. P. Zhang","submitted_at":"2015-04-22T14:46:58Z","abstract_excerpt":"We search for the decay B+ -> l+ nu gamma with l+ = e+ or mu+ using the full Belle data set of 772 x 10^6 BBbar pairs, collected at the Y(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. 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Abdesselam, A. Bondar, A. Bozek, A. Chen, A. Drutskoy, A. Garmash, A. Heller, A. Ishikawa, A. Kuzmin, A. M. Bakich, A. Moll, A. Rostomyan, A. Sibidanov, A. Sokolov, A. Vinokurova, A. Vossen, A. Zupanc, B. Bhuyan, B. G. Cheon, B. G. Fulsom, B. Golob, B. Pal, B. R. Ko, B. Shwartz, C. Oswald, C. P. Shen, C. Schwanda, C. Van Hulse, D. Cinabro, D. Dutta, D. Getzkow, D. Joffe, D. M. Asner, D. Matvienko, D. \\v{C}ervenkov, D. Y. Kim, E. Barberio, E. Kato, E. Nakano, E. Ribe\\v{z}l, E. Won, F. Simon, G. B. Mohanty, G. Bonvicini, G. Pakhlova, G. Schnell, G. Varner, H. Aihara, H. Farhat, H. J. Kim, H. K. Moon, H. Miyata, H. Park, I. Adachi, I. Badhrees, I. Jaegle, I. S. Lee, J. B. Kim, J. E. Fast, J.-G. Shiu, J. Haba, J. H. Kim, J. Libby, J. S. Lange, J. Stypula, K. Adamczyk, K. Arinstein, K. Cho, K. Hayasaka, K. Inami, K. Kinoshita, K. Miyabayashi, K. M. Williams, K. Senyo, K. T. Kim, K. Trabelsi, L. E. Piilonen, L. Pes\\'antez, L. Santelj, M. Bra\\v{c}ko, M. Danilov, M. E. Sevior, M. 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