Two-Particle Pseudorapidity Correlations in pp Collisions at 400 GeV/<i>c</i>

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

Chinese Physics C> 1992, Vol. 16> Issue(S2) : 127-134

Two-Particle Pseudorapidity 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 distribution of charged particles produced in pp collisions at 400 GeV/c was measured by using LEBC films. The two-particle pseudorapidity correlations at fixed multiplicity were studied. The experimental data were fitted with cluster model. It was found that the average cluster multiplicities as well as the cluster decay widths vary slightly with charged multiplicity.

[1]	Wang Shaoshun , Liu Ran , Wang Zhaomin . Production of Ring-like Events in pp Collisions at 400GeV/c. Chinese Physics C, 1999, 23(1): 17-21.
[2]	Wang Shaoshun , Liu Ran Wang , Zhaonmin . Data of Bunching Parameter and Correlator in 400GeV/c pp Collisions. Chinese Physics C, 1999, 23(12): 1135-1140.
[3]	Wang Shaoshun , Wang Zhaomin , Liu Ran . Chaotic Behavior of Multiparticle Production in pp Collisions at 400GeV/c. Chinese Physics C, 1998, 22(10): 873-877.
[4]	Wang Shaoshun , Zhang Jie , Ye Yunxiu , Xiao Chenguo . Factorial Moments Continuous Order and Multifractal Analysisin 400GeV/c pp Collisions. Chinese Physics C, 1997, 21(9): 769-776.
[5]	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.
[6]	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.
[7]	Wang Shaoshun , Li Zuhao , Zhang Jie , Xiao Chenguo , Ye Yunxiu , Shen Tianguang . The Azimuthal Structure of Particles Produced in pp Collisions at 400 GeV/c. Chinese Physics C, 1996, 20(4): 297-303.
[8]	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(4): 296-304.
[9]	Wang Shaoshun , Zhang Jie , Xiao Chenguo , Ye Yunxiu , Zhong Yu , Shen Tianguang . Fractal Analysis of Pseudorapidity Distribution Fluctuation in 400GeV/c pp Collisions. Chinese Physics C, 1995, 19(11): 968-973.
[10]	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.
[11]	Wang Shaoshun , Zhang Jie , Xiao Chenguo , Ye Yunxiu , Zhong Yu , Shen Tianguang . Fractal Analysis of Pseudorapidity Distribution Fluctuation in 400 GeV/c pp Collisions. Chinese Physics C, 1995, 19(S4): 349-355.
[12]	Wang Shaoshun , Zhang Jie , Xiao Chenguo , Ye Yunxiu , Xiong Weijun , Zhong Yu , Li Zuhao . Measurement of Intermittency Exponents in pp Collisions at 400GeV/c. Chinese Physics C, 1994, 18(11): 970-974.
[13]	Wang Shaoshun , Xiao Chenguo , Zhang Jie , Xia Xiaojuan , Xiong Weijun , Zhong Yu . The Study of Particle Densities in Pseudorapidity Space in pp collisions at 400GeV/c. Chinese Physics C, 1994, 18(5): 392-397.
[14]	Wang Shaoshun , Xiao Chenguo , Zhang Jie , Xia Xiaojuan , Xiong Weijun , Zhong Yu . The Study of Particle Densities in Pseudorapidity Space in pp Collisions at 400 GeV/c. Chinese Physics C, 1994, 18(Z1): 19-24.
[15]	WANG Shao-Shun , ZHANG Jie , XIAO Chen-Guo , YE Yun-Xiu , LUO Qi , CHENG Zheng-Dong , XIONG Wei-Jun , YANG Chun . Pseudorapidity Gap Length Distributions in pp Collisions at 400GeV/c. Chinese Physics C, 1993, 17(5): 396-402.
[16]	WANG Shao-Shun , ZHANG Jie , YE Yun-Xiu , XIAO Chen-Guo , LUO Qi , CHENG Zheng-Dong , ZHANG Xue-Qian , XU Wan-Li , WIONG Wei-Jun . Forward-Backward Multiplicity Correlations in pp Collisions at 400GeV/c. Chinese Physics C, 1993, 17(1): 1-7.
[17]	Wang Shaoshun , Zhang Jie , Ye Yunxiu , Xiao Chenguo , Luo Qi , Cheng Zhengdong , Zhang Xueqian , Xu Wanli , Xiong Weijun . Forward-Backward Multiplicity Correlations in pp Collisions at 400 GeV/c. Chinese Physics C, 1992, 16(S4): 367-374.
[18]	WANG Shao-Shun , ZHANG Jie , XIAO Chen-Guo , YE Yun-Xiu , CHENG Zheng-Dong , ZHANG Xue-Qian , LUO Qi , XU Wan-Li , XIONG Wei-Jun . Two-particle Pseudorapidity Correlations in pp Collisions at 400GeV/c. Chinese Physics C, 1992, 16(6): 487-493.
[19]	WANG Shao-Shun , ZHANG Jie , YE Yun-Xiu , XIAO Chen-Guo , CHENG Zheng-Dong , ZHANG Xue-Qian , LUO Qi . Measurement of Semi-Inclusive Charged Particle Pseudorapidity Destributions in pp Collisions at 400GeV/c. Chinese Physics C, 1991, 15(12): 1057-1062.
[20]	Wang Shaosfaun , Zhang Jie , Ye Yunxiu , Xiao Chenguo , Cheng Zhengdong , Zhang Xueqian , Luo Qi . Measurement of Semi-inclusive Charged Particle Pseudorapidity Distributions in pp Collisions at 400 GeY/c. Chinese Physics C, 1991, 15(S4): 331-336.

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Wang Shaoshun, Zhang Jie, Xiao Chenguo, Ye Yunxiu, Cheng Zhengdong, Zhang Xueqian, Luo Qi, Xu Wanli and Xiong Weijun. Two-Particle Pseudorapidity Correlations in pp Collisions at 400 GeV/c[J]. Chinese Physics C, 1992, 16(S2): 127-134.

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Received: 1991-07-29

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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

Two-Particle Pseudorapidity Correlations in pp Collisions at 400 GeV/c

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

Received Date: 1991-07-29

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

Abstract: The pseudorapidity distribution of charged particles produced in pp collisions at 400 GeV/c was measured by using LEBC films. The two-particle pseudorapidity correlations at fixed multiplicity were studied. The experimental data were fitted with cluster model. It was found that the average cluster multiplicities as well as the cluster decay widths vary slightly with charged multiplicity.