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| 題名: | Search for B+ →a+νaγ decays with hadronic tagging using the full Belle data sample |
| 作者: | 陳鎰鋒;Goldenzweig, P.;Heck, M.;Kuhr, T.;Zupanc, A.;Adachi, I.;Asner, D. M.;Aulchenko, V.;Ayad, R.;Babu, V.;Bakich, A. M.;Bhardwaj, V.;Bhuyan, B.;Bonvicini, G.;Bozek, A.;Browder, T. E.;Chen, A.;Cho, K.;Choi, Y.;Cinabro, D.;Drásal, Z.;Dutta, D.;Eidelman, S.;Fast, J. E.;Feindt, M.;Ferber, T.;Fulsom, B. G.;Gaur, V.;Gabyshev, N.;Garmash, A.;Getzkow, D.;Glattauer, R.;Grygier, J.;Haba, J.;Horiguchi, T.;Hou, W.-S.;Iijima, T.;Inami, K.;Ishikawa, A.;Kato, E.;Katrenko, P.;Kim, H. J.;Kim, J. B.;Kim, J. H.;Kinoshita, K.;Ko, B. R.;Križan, P.;Krokovny, P.;Kumita, T.;Kwon, Y.-J.;Lange, J. S.;Lee, I. S.;Lewis, P.;Libby, J.;Lukin, P.;Matvienko, D.;Miyabayashi, K.;Miyata, H.;Mizuk, R.;Mohanty, G. B.;Nanut, T.;Natkaniec, Z.;Nayak, M.;Nishida, S.;Ogawa, S.;Okuno, S.;Olsen, S. L.;Oswald, C.;Park, H.;Petrič, M.;Piilonen, L. E.;Pulvermacher, C.;Ritter, M.;Sakai, Y.;Savinov, V.;Schneider, O.;Senyo, K.;Sevior, M. E.;Shapkin, M.;Shebalin, V.;Shen, C. P.;Shibata, T.-A.;Shiu, J.-G.;Sohn, Y.-S.;Sokolov, A.;Starič, M.;Steder, M.;Stypula, J.;Tamponi, U.;Uno, S.;Urquijo, P.;Hulse, C. Van;Varner, G.;Vossen, A.;Wagner, M. N.;Watanabe, Y.;Williams, K. M.;Won, E.;Yamashita, Y.;Zhang, Z. P.;Zhilich, V. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | FOS: Physical sciences;High Energy Physics - Experiment;High Energy Physics - Experiment (hep-ex) |
| 日期: | 2015-06-17 |
| 上傳時間: | 2026-04-23 12:58:35 (UTC+8) |
| 出版者: | American Physical Society;American Physical Society (APS) |
| 摘要: | 摘要： 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. We reconstruct one B meson in a hadronic decay mode and search for the B+ -> l+ nu gamma decay in the remainder of the event. We observe no significant signal within the phase space of E_gamma^sig > 1 GeV and obtain upper limits of BR(B+ -> e+ nu gamma) < 6.1 x 10^-6, BR(B+ -> mu+ nu gamma) < 3.4 x 10^-6, and BR(B+ -> l+ nu gamma) < 3.5 x 10^-6 at 90 % credibility level. Submitted to Phys. Rev. D
出版者： American Physical Society (APS)
出版日期： 2015-06-17
出處： Physical Review D, 2015-06, Vol.91 (11)
識別號： ISSN: 1550-7998
識別號： DOI: 10.1103/physrevd.91.112009
識別號： DOI: 10.48550/arxiv.1504.05831 |
| 顯示於類別: | [物理學系] 期刊論文
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