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Search for the rare decay D-0 -> gamma gamma at Belle

Authors
Nisar, N. K.Mohanty, G. B.Trabelsi, K.Aziz, T.Abdesselam, A.Adachi, I.Aihara, H.Asner, D. M.Aulchenko, V.Aushev, T.Ayad, R.Babu, V.Badhrees, I.Bahinipati, S.Barberio, E.Behera, P.Bhardwaj, V.Biswal, J.Bobrov, A.Bozek, A.Bracko, M.Breibeck, F.Browder, T. E.Cervenkov, D.Chekelian, V.Chen, A.Cheon, B. G.Chistov, R.Cho, K.Chobanova, V.Choi, Y.Cinabro, D.Dalseno, J.Dash, N.Dolezal, Z.Drasal, Z.Drutskoy, A.Dutta, D.Eidelman, S.Farhat, H.Fast, J. E.Fulsom, B. G.Gaur, V.Garmash, A.Gillard, R.Goh, Y. M.Goldenzweig, P.Golob, B.Greenwald, D.Grzymkowska, O.Haba, J.Hara, T.Hayasaka, K.Hayashii, H.He, X. H.Hou, W. -S.Inami, K.Ishikawa, A.Iwasaki, Y.Jacobs, W. W.Jaegle, I.Jeon, H. B.Joffe, D.Joo, K. K.Julius, T.Kang, K. H.Kato, E.Kawasaki, T.Kiesling, C.Kim, D. Y.Kim, H. J.Kim, K. T.Kim, M. J.Kim, S. H.Kinoshita, K.Kodys, P.Korpar, S.Krizan, P.Krokovny, P.Kuhr, T.Kumar, R.Kumita, T.Kuzmin, A.Kwon, Y. -J.Lee, I. S.Lange, J. S.Li, H.Li, L.Gioi, L. LiLibby, J.Liventsev, D.Lukin, P.Masuda, M.Matvienko, D.Miyabayashi, K.Miyata, H.Mizuk, R.Mohanty, S.Moll, A.Moon, H. K.Mori, T.Mussa, R.Nakano, E.Nakao, M.Nanut, T.Natkaniec, Z.Nayak, M.Niiyama, M.Nishida, S.Ogawa, S.Okuno, S.Pakhlov, P.Pakhlova, G.Pal, B.Park, C. W.Park, H.Paul, S.Pedlar, T. K.Pesantez, L.Pestotnik, R.Petric, M.Piilonen, L. E.Prasanth, K.Pulvermacher, C.Rauch, J.Ribezl, E.Ritter, M.Rostomyan, A.Ryu, S.Sahoo, H.Sakai, Y.Sandilya, S.Sanuki, T.Sato, Y.Savinov, V.Schlueter, T.Schneider, O.Schnell, G.Schwanda, C.Schwartz, A. J.Seino, Y.Senyo, K.Seon, O.Seong, I. S.Shebalin, V.Shibata, T. -A.Shiu, J. -G.Shwartz, B.Simon, F.Singh, J. B.Sohn, Y. -S.Solovieva, E.Stanic, S.Staric, M.Stypula, J.Sumihama, M.Sumiyoshi, T.Tamponi, U.Teramoto, Y.Uchida, M.Uglov, T.Uno, S.Urquijo, P.Van Hulse, C.Vanhoefer, P.Varner, G.Varvell, K. E.Vinokurova, A.Vossen, A.Wagner, M. N.Wang, C. H.Wang, M. -Z.Wang, X. L.Watanabe, M.Watanabe, Y.Williams, K. M.Won, E.Yelton, J.Yuan, C. Z.Yusa, Y.Zhang, Z. P.Zhilich, V.Zhulanov, V.Zupanc, A.
Issue Date
Mar-2016
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.93, pp.1 - 7
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
93
Start Page
1
End Page
7
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/155036
DOI
10.1103/PhysRevD.93.051102
ISSN
2470-0010
Abstract
We search for the rare radiative decay D-0 -> gamma gamma using a data sample with an integrated luminosity of 832 fb(-1) recorded by the Belle detector at the KEKB e(+)e(-) asymmetric-energy collider. We find no statistically significant signal and set an upper limit on the branching fraction of B(D-0 -> gamma gamma) < 8.5 x 10(-7) at 90% confidence level. This is the most restrictive limit on the decay channel to date.
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