Chinese Physics C > 1992, Vol. 16 > Issue(S4): 367-374

Forward-Backward Multiplicity Correlations in pp Collisions at 400 GeV/c

Department of Modem Physics, University of Science and Technology of China, Hefei, Anhui, China

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Abstract：
The pseudorapidity distributions of charged particles produced in pp collisions at 400 GeV/ chave been measured using LEBC films. The multiplicity distributions in forward hemisphere at fixed total multiplicities are obtained. The forward-backward multiplicity correlation strength in full-phase space, central region, and off-central region of the pseudorapidity distribution are calculated. The correlation strength versus pseudorapidity windows are obtained. The experimental data of the forward-backward correlation have been analyzed with cluster model. The results show that the average cluster size is dependent on whether the leading-particle effect is taken into account.

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[5]	Wang Shaoshun,Liu Ran,Wang Zhaomin. Non-thermal Phase Transition in pp Collisions at 400 GeV/c. Chinese Physics C, 1999, 23(9): 841-845.
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[8]	Wang Shaoshun,Zhang Jie,Ye Yunxiu,Xiao Chenguo. Factorial Moments of Continuous Order and Multifractal Analysis in 400 GeV/cpp Collisions. Chinese Physics C, 1997, 21(S4): 1-10.
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[20]	Wang Shaoshun,Zhang Jie,Xiao Chenguo,Ye Yunxiu,Shi Guoshun,Fang Rong,Yang Jie. Multiplicity Distribution of Charged Particles Produced in pp Collisions at 400 GeY/c. Chinese Physics C, 1989, 13(S3): 231-238.

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Wang Shaoshun, Zhang Jie, Ye Yunxiu, Xiao Chenguo, Luo Qi, Cheng Zhengdong, Zhang Xueqian, Xu Wanli and Xiong Weijun. Forward-Backward Multiplicity Correlations in pp Collisions at 400 GeV/ c[J]. Chinese Physics C, 1992, 16(S4): 367-374.

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Received: 1991-11-14

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Supported by the National Natural Science Foundation of China.

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沈阳化工大学材料科学与工程学院沈阳 110142

Forward-Backward Multiplicity Correlations in pp Collisions at 400 GeV/c

Department of Modem Physics, University of Science and Technology of China, Hefei, Anhui, China

Received Date:1991-11-14

Fund Project:Supported by the National Natural Science Foundation of China.

Abstract:The pseudorapidity distributions of charged particles produced in pp collisions at 400 GeV/chave been measured using LEBC films. The multiplicity distributions in forward hemisphere at fixed total multiplicities are obtained. The forward-backward multiplicity correlation strength in full-phase space, central region, and off-central region of the pseudorapidity distribution are calculated. The correlation strength versus pseudorapidity windows are obtained. The experimental data of the forward-backward correlation have been analyzed with cluster model. The results show that the average cluster size is dependent on whether the leading-particle effect is taken into account.