Non-thermal Phase Transition in pp Collisions at 400 GeV/c

Wang Shaoshun; Liu Ran; Wang Zhaomin

Chinese Physics C> 1999, Vol. 23> Issue(9) : 841-845

Non-thermal Phase Transition in pp Collisions at 400 GeV/c

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

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Abstract：
The pseudorapidity distribution for charged prides Produced in pp collisions at 400GeV/c has been measured by using the LEBC films offered by the CERN NA27 collaboration. The fastorial moments up to q=7 have been calculated by star integer method. The analytic results indicate that a non-thermal phase transition and two different regimes of multiparticle production may exist. The multifractal structure of the fluctuation has been observed supporting the random cascade model of particle production.

References

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Wang Shaoshun, Liu Ran and Wang Zhaomin. Non-thermal Phase Transition in pp Collisions at 400 GeV/c[J]. Chinese Physics C, 1999, 23(9): 841-845.

Wang Shaoshun, Liu Ran and Wang Zhaomin. Non-thermal Phase Transition in pp Collisions at 400 GeV/c[J]. Chinese Physics C, 1999, 23(9): 841-845. shu

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Received: 1998-12-16
Revised: 1900-01-01

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