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

Wang Shaoshun; Zhang Jie; Ye Yunxiu; Xiao Chenguo; Luo Qi; Cheng Zhengdong; Zhang Xueqian; Xu Wanli; Xiong Weijun

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/c have 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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[6]	Wang Shaoshun , Wang Zhaomin , Wu Chong . Self-affine Fractality of Multiparticle Productionin pp Collisions at 400 GeV/c. Chinese Physics C, 1998, 22(4): 289-292.
[7]	Wang Shaoshun , Wang Zhaomin , Zhang Jie . Angular Dependence of Two Particle Correlation in 400GeV/c pp Collisions. Chinese Physics C, 1997, 21(11): 990-994.
[8]	Wang Shaoshun , Zhang Jie , Ye Yunxiu , Xiao Chenguo . Factorial Moments of Continuous Order and Multifractal Analysis in 400 GeV/c pp Collisions. Chinese Physics C, 1997, 21(S4): 1-10.
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[11]	Wang Shaoshun , Zhang Jie , Xiao Chenguo , Ye Yunxiu , Zhong Yu . Multiparticle Correlations, Factorial Cumulant Moments, and Correlation Integrals in pp Collisions at 400 GeV/c. Chinese Physics C, 1995, 19(S2): 133-142.
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[14]	Zhang Yang , Liu Lianshou . The Forward-Backward Correlation and Clustered Production of Final-State Particles in High Energy pp Collision. Chinese Physics C, 1994, 18(Z1): 69-78.
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[19]	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.
[20]	WANG Shao-Shun , ZHANG Jie , XIAO Chen-Guo , YE Yun-Xiu , SHI Guo-Shun , FANG Rong , YANG Jie . MULTIPLICITY DISTRIBUTIONS OF CHARGED PARTICLES PRODUCED IN pp COLLISIONS AT 400GeV/c. Chinese Physics C, 1989, 13(8): 673-679.

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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/c have 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.

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

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