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| 題名: | Search for the rare decay D0 →γγ at Belle |
| 作者: | 陳鎰鋒;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;Ga |
| 貢獻者: | 理學院物理學系 |
| 日期: | 2016-03-09 |
| 上傳時間: | 2026-04-23 14:07:47 (UTC+8) |
| 出版者: | American Physical Society;PHYSICAL REVIEW D |
| 摘要: | 摘要： 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. MEXT (Japan); JSPS (Japan); Nagoya's TLPRC (Japan); ARC (Australia); FWF (Austria); NSFC (China); CCEPP (China); MSMT (Czechia); CZF (Germany); DFG (Germany); VS (Germany); DST (India); INFN (Italy); MOE (Korea); MSIP (Korea); NRF (Korea); BK21Plus (Korea); WCU (Korea); RSRI (Korea); MNiSW (Poland); NCN (Poland); MES (Russia); RFAAE (Russia); ARRS (Slovenia); IKERBASQUE (Spain); UPV/EHU (Spain); SNSF (Switzerland); NSC (Taiwan); MOE (Taiwan); DOE (USA); NSF (USA) SCI(E) ARTICLE 5 93
出版者： PHYSICAL REVIEW D
出版日期： 2016
識別號： ISSN: 2470-0029
識別號： ISSN: 2470-0010
識別號： EISSN: 2470-0029
識別號： DOI: 10.1103/PhysRevD.93.051102 |
| 顯示於類別: | [物理學系] 期刊論文
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