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| 题名: | Search for charmonium and charmoniumlike states in gamma(2S) radiative decays |
| 作者: | Wang,XL;Shen,CP;Yuan,CZ;Wang,P;Adachi,I;Aihara,H;Asner,DM;Aushev,T;Bakich,AM;Barberio,E;Belous,K;Bhuyan,B;Bozek,A;Bracko,M;Browder,TE;Chang,MC;Chen,A;Cheon,BG;Chilikin,K;Cho,IS;Cho,K;Choi,Y;Dalseno,J;Danilov,M;Dolezal,Z;Eidelman,S;Fast,JE;Feindt,M;Gaur,V;Goh,YM;Haba,J;Hayasaka,K;Hayashii,H;Hoshi,Y;Hsiung,YB;Hyun,HJ;Iijima,T;Ishikawa,A;Itoh,R;Iwabuchi,M;Iwasaki,Y;Iwashita,T;Julius,T;Kang,JH;Katayama,N;Kawasaki,T;Kichimi,H;Kim,HJ;Kim,HO;Kim,JB;Kim,JH;Kim,KT;Kim,MJ;Kim,YJ;Kinoshita,K;Ko,BR;Kobayashi,N;Koblitz,S;Krizan,P;Kuzmin,A;Kwon,YJ;Lange,JS;Lee,SH;Li,J;Li,XR;Li,Y;Libby,J;Lim,CL;Liu,C;Liventsev,D;Louvot,R;Matvienko,D;McOnie,S;Miyabayashi,K;Miyata,H;Miyazaki,Y;Mohanty,GB;Mussa,R;Nagasaka,Y;Nakao,M;Nakazawa,H;Natkaniec,Z;Neubauer,S;Nishida,S;Nishimura,K;Nitoh,O;Ogawa,S;Ohshima,T;Okuno,S;Olsen,SL;Onuki,Y;Pakhlov,P;Pakhlova,G;Park,H;Park,HK;Pedlar,TK;Pestotnik,R;Petric,M;Piilonen,LE;Ritter,M;Ryu,S;Sahoo,H;Sakai,Y;Sanuki,T;Schneider,O;Schwanda,C;Senyo,K;Seon,O;Sevior,ME;Shapkin,M;Shibata,TA;Shiu,JG;Shwartz,B;Simon,F;Smerkol,P;Sohn,YS;Solovieva,E;Stanic,S;Staric,M;Sumihama,M;Tatishvili,G;Teramoto,Y;Trabelsi,K;Uchida,M;Uehara,S;Unno,Y;Uno,S;Usov,Y;Varner,G;Wang,CH;Wang,MZ;Watanabe,Y;Won,E;Yabsley,BD;Yamashita,Y;Yamauchi,M;Zhang,ZP;Zhilich,V |
| 贡献者: | 物理學系 |
| 日期: | 2011 |
| 上传时间: | 2012-06-11 10:51:42 (UTC+8) |
| 出版者: | 國立中央大學 |
| 摘要: | Using a sample of 158 x 10(6) gamma (2S) events collected with the Belle detector, charmonium and charmoniumlike states with even charge parity are searched for in gamma (2S) radiative decays. No significant chi(cJ) or eta(c) signal is observed, and the following upper limits at 90% confidence level (C. L.) are obtained: B(gamma(2S)-> gamma chi(c0)) < 1.0 x 10(-4), B(gamma(2S) -> gamma chi(c1)) < 3.6 x 10(-6), B(gamma(2S) -> gamma chi(c2)) < 1.5 x 10(-5), and B(gamma(2S) ->gamma eta(c)) < 2.7 x 10(-5). No significant signal of any charmoniumlike state is observed, and we obtain the limits B(gamma(2S) -> gamma X(3872)) x B(X(3872) -> pi(+)pi(-) J/psi) < 0.8 x 10(-6), B(gamma(2S) -> gamma X(3872)) x B(X(3872) -> pi(+)pi(-)pi(0) J/psi) < 2.4 x 10(-6), B(gamma(2S) -> gamma X(3915)) x B(X(3915) -> omega J/psi) < 2.8 x 10(-6), B(gamma(2S) -> gamma Y(4140)) x B(Y(4140) -> phi J/psi) < 1.2 x 10(-6), and B(gamma(2S) -> gamma X(4350) x B(X(4350) -> phi J/psi)) < 1.3 x 10(-6) at 90% C. L. |
| 關聯: | PHYSICAL REVIEW D |
| 显示于类别: | [物理學系] 期刊論文
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