The Azimuthal Structure of Particles Produced in pp Collisions at 400 GeV/<EM>c</EM>

Wang Shaoshun; Li Zuhao; Zhang Jie; Xiao Chenguo; Ye Yunxiu; Shen Tianguang

Chinese Physics C> 1996, Vol. 20> Issue(4) : 297-303

The Azimuthal Structure of Particles Produced in pp Collisions at 400 GeV/c

Department of Modern Physics,University of Science and Technology of China,Hefei 230027

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Abstract：
The azimuthal Structure of partivles produced in pp collisions at 400 GeV/c was investigated by using different methods.The analytic results of one and two-dimensional scaled factorial moments indicate that the intermittent effect is stronger for two-dimensional analysis.It is not contradictory with jet-like multiparticle production mechanism. However,the analytic results of other methods show that the azimuthal structure seems to be of stochastic nature and no evidence of the jet-like multiparticle production mechanism is observed.

References

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R.C.Hwa,W.Ochs,n.Schmitz,Fluctuations and fractal structure,Proceedings of the Ringberg Workshap on Multiparticle Production,Ringberg Castle,Germany,1991（World Scintific,Singapore,1992）.[2]A.Bialas,R,Peschanski,Nucl.Phys.,B273（1986）703'B308（1988）857.[3]Wang Shao shun et al.,Phys.Rev,D49（1994）5785.[4]W.Ochs.Z.Phys.,C50（1991）339.[5]M.I.Adamovich et al.,J.Phys.G:Nucl.Phys.G:Nucl.Part.Phys.,19（1993）2035.[6]E.Stenlund et al.,Nucl.Phys.,A498（1989）541c.[7]S.Voloshin,D.Seibert,Phys.Lett.,B249（1990）321.[8]D.Seibert,S.Voloshin,Phys.Rhys.Rev.,D43（1991）119.[9]D.Seibert,Nucl.Phys.,A544（1992）547c.

[1]	WU Chong , WANG ShaoShun . Self-affine Multifractal Analysis in 400GeV/c pp Collisions. Chinese Physics C, 2000, 24(9): 791-796.
[2]	WANG ShaoShun , WU Chong . Erraticity Analysis of Multiparticle Production in pp Collisions at 400GeV/c. Chinese Physics C, 2000, 24(4): 285-289.
[3]	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.
[4]	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.
[5]	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.
[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 , Liu Ran . Chaotic Behavior of Multiparticle Production in pp Collisions at 400GeV/c. Chinese Physics C, 1998, 22(10): 873-877.
[8]	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.
[9]	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.
[10]	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.
[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(4): 296-304.
[12]	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.
[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 , 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.
[15]	Wang Shaoshun , Zhang Jie , Xiao Chenguo , Ye Yunxiu , Zhong Yu , Li Zuhao . Fractal Behavior of Multiparticle Production in pp Collisions at 400GeV/c. Chinese Physics C, 1994, 18(11): 975-981.
[16]	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.
[17]	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.
[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 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, Li Zuhao, Zhang Jie, Xiao Chenguo, Ye Yunxiu and Shen Tianguang. The Azimuthal Structure of Particles Produced in pp Collisions at 400 GeV/c[J]. Chinese Physics C, 1996, 20(4): 297-303.

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

The Azimuthal Structure of Particles Produced in pp Collisions at 400 GeV/c

Corresponding author: Wang Shaoshun,

Department of Modern Physics,University of Science and Technology of China,Hefei 230027

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1996-04-05

Abstract: The azimuthal Structure of partivles produced in pp collisions at 400 GeV/c was investigated by using different methods.The analytic results of one and two-dimensional scaled factorial moments indicate that the intermittent effect is stronger for two-dimensional analysis.It is not contradictory with jet-like multiparticle production mechanism. However,the analytic results of other methods show that the azimuthal structure seems to be of stochastic nature and no evidence of the jet-like multiparticle production mechanism is observed.