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

Wang Shaoshun;Li Zuhao;Zhang Jie;Xiao Chenguo;Ye Yunxiu; Shen Tianguang(Department of Modern Physics,University of Science and Technology of China,Hefei 230027)  
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.
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