Search for B+ →a+νaγ decays with hadronic tagging using the full Belle data sample

A. Heller, P. Goldenzweig, M. Heck, T. Kuhr, A. Zupanc, A. Abdesselam, I. Adachi, K. Adamczyk, H. Aihara, K. Arinstein, D. M. Asner, V. Aulchenko, T. Aushev, R. Ayad, V. Babu, I. Badhrees, A. M. Bakich, E. Barberio, V. Bhardwaj, B. BhuyanJ. Biswal, A. Bondar, G. Bonvicini, A. Bozek, M. Bračko, T. E. Browder, D. Červenkov, A. Chen, B. G. Cheon, K. Cho, V. Chobanova, Y. Choi, D. Cinabro, M. Danilov, Z. DoleŽal, Z. Drásal, A. Drutskoy, D. Dutta, S. Eidelman, H. Farhat, J. E. Fast, M. Feindt, T. Ferber, B. G. Fulsom, V. Gaur, N. Gabyshev, A. Garmash, D. Getzkow, R. Gillard, R. Glattauer, Y. M. Goh, B. Golob, J. Grygier, J. Haba, K. Hayasaka, X. H. He, M. Heider, T. Horiguchi, W. S. Hou, M. Huschle, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, Y. Iwasaki, I. Jaegle, D. Joffe, E. Kato, P. Katrenko, T. Kawasaki, D. Y. Kim, H. J. Kim, J. B. Kim, J. H. Kim, K. T. Kim, S. H. Kim, K. Kinoshita, B. R. Ko, P. Kodyš, S. Korpar, P. KriŽan, P. Krokovny, T. Kumita, A. Kuzmin, Y. J. Kwon, J. S. Lange, I. S. Lee, P. Lewis, J. Libby, P. Lukin, D. Matvienko, K. Miyabayashi, H. Miyata, R. Mizuk, G. B. Mohanty, A. Moll, H. K. Moon, R. Mussa, E. Nakano, M. Nakao, T. Nanut, Z. Natkaniec, M. Nayak, N. K. Nisar, S. Nishida, S. Ogawa, S. Okuno, S. L. Olsen, C. Oswald, G. Pakhlova, B. Pal, H. Park, T. K. Pedlar, L. Pesántez, R. Pestotnik, M. Petrič, L. E. Piilonen, C. Pulvermacher, E. RibeŽl, M. Ritter, A. Rostomyan, S. Ryu, Y. Sakai, S. Sandilya, L. Santelj, T. Sanuki, Y. Sato, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, K. Senyo, M. E. Sevior, M. Shapkin, V. Shebalin, C. P. Shen, T. A. Shibata, J. G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, Y. S. Sohn, A. Sokolov, M. Starič, M. Steder, J. Stypula, U. Tamponi, Y. Teramoto, K. Trabelsi, M. Uchida, T. Uglov, Y. Unno, S. Uno, P. Urquijo, C. Van Hulse, P. Vanhoefer, G. Varner, A. Vinokurova, A. Vossen, M. N. Wagner, M. Z. Wang, X. L. Wang, Y. Watanabe, K. M. Williams, E. Won, Y. Yamashita, S. Yashchenko, Z. P. Zhang, V. Zhilich

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Abstract

We search for the decay B+→+νγ with +=e+ or μ+ using the full Belle data set of 772×106BB¯ pairs, collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We reconstruct one B meson in a hadronic decay mode and search for the B+→+νγ decay in the remainder of the event. We observe no significant signal within the phase space of Eγsig>1GeV and obtain upper limits of B(B+→e+νeγ)<6.1×10-6, B(B+→μ+νμγ)<3.4×10-6, and B(B+→+νγ)<3.5×10-6 at 90% credibility level.

Original languageEnglish
Article number112009
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume91
Issue number11
DOIs
StatePublished - 17 Jun 2015

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