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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
Source PublicationPHYSICAL REVIEW D
Corresponding AuthorInst 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
AbstractThe 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.
Subject AreaAstronomy & Astrophysics; Physics
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000174548000007
ADS Bibcode2002PhRvD..65e2004B
ADS URLhttps://ui.adsabs.harvard.edu/abs/2002PhRvD..65e2004B
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2002PhRvD..65e2004B/citations
Citation statistics
Cited Times:13 [INSPIRE]
Cited Times:9 [ADS]
Document Type期刊论文
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
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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