Measurement of inclusive momentum spectra and multiplicity distributions of charged particles ats∼2–5GeV

J. Z. Bai, Y. Ban,J. G. Bian, XZ(蔡翔舟) Cai,J. F. Chang,H. F. Chen,H. S. Chen,Huirun Chen, Jie Chen,J. C. Chen, Y. B. Chen,S. P. Chi,Y. P. Chu,Xingzhu Cui, H. L. Dai,Y. S. Dai,Y. M. Dai,L. Y. Dong, S. X. Du,Z. Z. Du,W. Dunwoodie, J. Fang, S. S. Fang, C. D. Fu, H. Y. Fu, L. P. Fu,C. S. Gao, M. L. Gao,Y. N. Gao,M. Y. Gong, W. X. Gong,S. D. Gu,Y. N. Guo,Y. Q. Guo,Z. J. Guo,S. W. Han,F. A. Harris, J. J. He, K. L. He,Miao He,X. H. He,Y. K. Heng,H. M. Hu, T. Hu,G. S. Huang, L. Huang,Xiru Huang,Joseph Izen,X. B. Ji,Qingying Jia,Chun-Hua Jiang, X. S. Jiang,D. P. Jin, S. Jin, Y. Jin, B. D. Jones,Z. J. Ke,D. Kong,Y. F. Lai, F. Li, G. Li,Hangxu Li,J. C. Li,Jiemin Li,K. J. Li,Q. J. Li,R. B. Li,R. Y. Li, W. D. Li, W. G. Li,X. Q. Li,Xintong Li, Y. F. Liang,Hongbo Liao,C. X. Liu,Fang Liu,F. Liu, H. M. Liu, J. B. Liu, J. P. Liu,R. G. Liu, Y. B. Liu,Z. A. Liu,Z. X. Liu,Xuanhong Lou,G. R. Lu,F. Lu,Houbing Lu,J. G. Lu, C. L. Luo, X. L. Luo, E. C. Ma, F. C. Ma,Jun-Bing Ma, L. L. Ma, X. Y. Ma, R. Malchow,Z. P. Mao,X. C. Meng, X. H. Mo

Physical Review D(2004)

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摘要
Inclusive momentum spectra and multiplicity distributions of charged particles measured with the BESII detector at center of mass energies of 2.2, 2.6, 3.0, 3.2, 4.6 and 4.8 GeV are presented. Values of the second binomial moment ${R}_{2}$ obtained from the multiplicity distributions are reported. These results are compared with both experimental data from high energy ${e}^{+}{e}^{\ensuremath{-}},$ ep, and $p\overline{p}$ experiments and QCD calculations.
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关键词
inclusive momentum spectra,multiplicity distributions,particles
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