Authors
JZ Bai, Y Ban, JG Bian, AD Chen, HF Chen, HS Chen, JC Chen, XD Chen, YB Chen, BS Cheng, SP Chi, YP Chu, JB Choi, XZ Cui, YS Dai, LY Dong, ZZ Du, W Dunwoodie, HY Fu, LP Fu, CS Gao, SD Gu, YN Guo, ZJ Guo, SW Han, Y Han, FA Harris, J He, JT He, KL He, M He, X He, T Hong, YK Heng, GY Hu, HM Hu, QH Hu, T Hu, GS Huang, XP Huang, YZ Huang, JM Izen, XB Ji, CH Jiang, Y Jin, BD Jones, JS Kang, ZJ Ke, HJ Kim, SK Kim, TY Kim, D Kong, YF Lai, D Li, HB Li, HH Li, J Li, JC Li, PQ Li, QJ Li, RY Li, W Li, WG Li, XN Li, XQ Li, B Liu, F Liu, Feng Liu, HM Liu, J Liu, JP Liu, TR Liu, RG Liu, Y Liu, ZX Liu, XC Lou, GR Lu, F Lu, JG Lu, ZJ Lu, XL Luo, EC Ma, JM Ma, R Malchow, HS Mao, ZP Mao, XC Meng, XH Mo, J Nie, ZD Nie, SL Olsen, D Paluselli, H Park, ND Qi, XR Qi, CD Qian, JF Qiu, YK Que, G Rong, YY Shao, BW Shen, DL Shen, H Shen, XY Shen, HY Sheng, F Shi, HZ Shi, XF Song, JY Suh, HS Sun, LF Sun, YZ Sun, SQ Tang, W Toki, GL Tong, GS Varner, J Wang, JZ Wang, L Wang, LS Wang, P Wang, PL Wang, SM Wang, YY Wang, ZY Wang, CL Wei, N Wu, DM Xi, XM Xia, XX Xie, GF Xu, Y Xu, ST Xue, WB Yan, WG Yan, CM Yang, CY Yang, GA Yang, HX Yang, W Yang, XF Yang, MH Ye, SW Ye, YX Ye, CS Yu, CX Yu, GW Yu, Y Yuan, BY Zhang, C Zhang
Publication date
2002/2/25
Journal
Physical Review Letters
Volume
88
Issue
10
Pages
101802
Publisher
American Physical Society
Description
We report values of R= σ (e+ e−→ hadrons)/σ (e+ e−→ μ+ μ−) for 85 center-of-mass energies between 2 and 5 GeV measured with the upgraded Beijing Spectrometer at the Beijing Electron-Positron Collider.
Total citations
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