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First measurement of the branching fraction of the decay psi(2S)->tau(+)tau(-)
Bai, JZ; Ban, Y; Bian, JG; Blum, I; Chen, AD; Chen, HF; Chen, HS; Chen, J; Chen, JC; Chen, XD; Chen, Y; Chen, YB; Cheng, BS; Chi, SP; Chu, YP; Choi, JB; Cui, XZ; Dai, YS; Dong, LY; Du, ZZ; Dunwoodie, W; Fu, HY; Fu, LP; Gao, CS; Gratton, P; Gu, SD; Gu, YF; Guo, YN; Guo, ZJ; Han, SW; Han, Y; Harris, FA; He, J; He, JT; He, KL; He, M; He, X; Hong, T; Heng, YK; Hitlin, DG; Hu, GY; Hu, HM; Hu, QH; Hu, T; Huang, GS; Huang, XP; Huang, YZ; Izen, JM; Ji, XB; Jiang, CH; Jin, Y; Jones, BD; Kang, JS; Ke, ZJ; Kelsey, MH; Kim, BK; Kim, HJ; Kim, SK; Kim, TY; Kong, D; Lai, YF; Lankford, A; Li, D; Li, HB; Li, HH; Li, J; Li, JC; Li, PQ; Li, QJ; Li, RY; Li, W; Li, WG; Li, XN; Li, XQ; Liu, B; Liu, F; Liu, F; Liu, HM; Liu, J; Liu, JP; Liu, TR; Liu, RG; Liu, Y; Liu, ZX; Lou, XC; Lowery, B; Lu, GR; Lu, F; Lu, JG; Lu, ZJ; Luo, XL; Ma, EC; Ma, JM; Malchow, R; Mao, HS; Mao, ZP; Meng, XC; Mo, XH; Nie, J; Nie, ZD; Olsen, SL; Oyang, J; Paluselli, D; Pan, LJ; Panetta, J; Park, H; Porter, F; Qi, ND; Qi, XR; Qian, CD; Qiu, JF; Que, YK; Rong, G; Schernau, M; Shao, YY; Shen, BW; Shen, DL; Shen, H; Shen, XY; Sheng, HY; Shi, F; Shi, HZ; Song, XF; Standifird, J; Suh, JY; Sun, HS; Sun, LF; Sun, YZ; Tang, SQ; Toki, W; Tong, GL; Varner, GS; Wang, J; Wang, JZ; Wang, L; Wang, LS; Wang, M; Wang, P; Wang, PL; Wang, SM; Wang, YY; Wang, ZY; Weaver, M; Wei, CL; Wu, JM; Wu, N; Xi, DM; Xia, XM; Xie, XX; Xu, GF; Xu, Y; Xue, ST; Yan, WB; Yan, WG; Yang, CM; Yang, CY; Yang, GA; Yang, HX; Yang, XF; Ye, MH; Ye, SW; Ye, YX; Yu, CS; Yu, CX; Yu, GW; Yuan, Y; Zhang, BY; Zhang, C; Zhang, CC; Zhang, DH; Zhang, HL; Zhang, HY; Zhang, J; Zhang, JW; Zhang, L; Zhang, LS; Zhang, P; Zhang, QJ; Zhang, SQ; Zhang, XY; Zhang, YY; Zhang, ZP; Zhao, DX; Zhao, HW; Zhao, JW; Zhao, JW; Zhao, M; Zhao, PP; Zhao, WR; Zhao, YB; Zhao, ZG; Zheng, JP; Zheng, LS; Zheng, ZP; Zhou, BQ; Zhou, GM; Zhou, L; Zhu, KJ; Zhu, QM; Zhu, YC; Zhu, YS; Zhu, ZA; Zhuang, BA; Zou, BS
2002
发表期刊PHYSICAL REVIEW D
卷号65期号:5页码:52004
通讯作者Inst High Energy Phys, Beijing 100039, Peoples R China ; CALTECH, Pasadena, CA 91125 USA ; China Ctr Adv Sci & Technol, Beijing 100080, Peoples R China ; Chonnam Natl Univ, Chonju 561756, South Korea ; Colorado State Univ, Ft Collins, CO 80523 USA ; Henan Normal Univ, Xinxiang 453002, Peoples R China ; Huazhong Normal Univ, Wuhan 430079, Peoples R China ; Hunan Univ, Changsha 410082, Peoples R China ; Korea Univ, Seoul 136701, South Korea ; Nankai Univ, Tianjin 300071, Peoples R China ; Peking Univ, Beijing 100871, Peoples R China ; Shandong Univ, Jinan 250100, Peoples R China ; Shanghai Jiao Tong Univ, Shanghai 200030, Peoples R China ; Seoul Natl Univ, Seoul 151742, South Korea ; Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA ; Univ Hawaii, Honolulu, HI 96822 USA ; Univ Calif Irvine, Irvine, CA 92717 USA ; Univ Sci & Technol China, Hefei 230026, Peoples R China ; Univ Texas Dallas, Richardson, TX 75083 USA ; Wuhan Univ, Wuhan 430072, Peoples R China ; Zhejiang Univ, Hangzhou 310028, Peoples R China
摘要The branching fraction of the psi(2S) decay into tau(+) tau(-) has been measured for the first time using the BES detector at the Beijing Electron-Positron Collider. The result is B-tautau =(2.71+/-0.43+/-0.55) x 10(-3), where the first error is statistical and the second is systematic. This value, along with those for the branching fractions into e(+)c(-) and mu(+)mu(-) of this resonance, satisfy well the relation predicted by the sequential lepton hypothesis. Combining all these values with the leptonic width of the resonance, the total width of the psi(2S) is determined to be (252+/-37) keV.
文章类型Article
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics
DOI10.1103/PhysRevD.65.052004
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语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000174548000007
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240644
专题实验物理中心
作者单位中国科学院高能物理研究所
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Bai, JZ,Ban, Y,Bian, JG,et al. First measurement of the branching fraction of the decay psi(2S)->tau(+)tau(-)[J]. PHYSICAL REVIEW D,2002,65(5):52004.
APA Bai, JZ.,Ban, Y.,Bian, JG.,Blum, I.,Chen, AD.,...&Zou, BS.(2002).First measurement of the branching fraction of the decay psi(2S)->tau(+)tau(-).PHYSICAL REVIEW D,65(5),52004.
MLA Bai, JZ,et al."First measurement of the branching fraction of the decay psi(2S)->tau(+)tau(-)".PHYSICAL REVIEW D 65.5(2002):52004.
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