The Study of Particle Densities in Pseudorapidity Space in pp Collisions at 400 GeV/c

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Wang Shaoshun, Xiao Chenguo, Zhang Jie, Xia Xiaojuan, Xiong Weijun and Zhong Yu. The Study of Particle Densities in Pseudorapidity Space in pp Collisions at 400 GeV/c[J]. Chinese Physics C, 1994, 18(Z1): 19-24.
Wang Shaoshun, Xiao Chenguo, Zhang Jie, Xia Xiaojuan, Xiong Weijun and Zhong Yu. The Study of Particle Densities in Pseudorapidity Space in pp Collisions at 400 GeV/c[J]. Chinese Physics C, 1994, 18(Z1): 19-24. shu
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Received: 1993-02-02
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    Supported by the national Natural Science Foundation of China.

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The Study of Particle Densities in Pseudorapidity Space in pp Collisions at 400 GeV/c

  • Department of Modem Physics, University of Science and Technology of China, Hefei, Anhui, China
Fund Project:  Supported by the national Natural Science Foundation of China.

Abstract: The pseudorapidity distributions of charged particle multiplicity 4-24 produced in pp collision at 400GeV/c have been measured by using the LEBC films which were offered by the CERN NA27 Collaboration. The average maximum charged particle density in a selected pseudorapidity window (△η=0.5 or 0.1) rises linearly with the charged particle multiplicity. There is a trend for the probability distributions of the maximum particle density at large n to widen and flatten. But the event that the maximum particle density is anomalously high was not observed.

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