Chinese Physics C > 1987, Vol. 11 > Issue(1): 44-50

PAPIDITY DISTRIBUTIONS IN UNEQUAL NUCLEI COLLISION AT HIGH ENERGIES AND HYDRODYNAMICAL MODEL

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Abstract：

The mechanism of high-energy A'－A collision (A>A',A'^1/3>>1) and the space-time evolution of the fluid formed in the collision are analysed. The corresponding 1+1 dimensional hydrodynamical equations are established. The average rapidity distributions are estimated and compared with some cosmic ray events. The origin of the nonsymmetry of rapidity distribution is explained.

References

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L. D. Landau, Collected Papers of L. D. Landau, 1965, p. 569, 665.[2] J. D. Bjorken, Phys. Rev., D27(1983), 140.[3] K. Kajantie, R. Raitio and P. V. Ruuskanen, Nucl. Phys., 8222 (1983), 152[4] L. Mclerran, HU-TFT-82-12.[5] 例如见T. H. Burnett et al., Phys. Rev. Lett., 50(1983), 2062.[6] M. L. Perk High Energy Hadron Physich, John and Sons, 1974, p. 137.[7] 南京大学数学系计算数学专业, 偏微分方程数值解法, 科学出版社, (1979), p165,[8] I. Otterlund, S. Garpman and I. Lund, Z. Physik, C20(1983), 281.

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ZHUANG Peng-Fei and WANG Zheng-Qing. PAPIDITY DISTRIBUTIONS IN UNEQUAL NUCLEI COLLISION AT HIGH ENERGIES AND HYDRODYNAMICAL MODEL[J]. Chinese Physics C, 1987, 11(1): 44-50.

ZHUANG Peng-Fei and WANG Zheng-Qing. PAPIDITY DISTRIBUTIONS IN UNEQUAL NUCLEI COLLISION AT HIGH ENERGIES AND HYDRODYNAMICAL MODEL[J]. Chinese Physics C, 1987, 11(1): 44-50. shu

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

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

PAPIDITY DISTRIBUTIONS IN UNEQUAL NUCLEI COLLISION AT HIGH ENERGIES AND HYDRODYNAMICAL MODEL

ZHUANG Peng-Fei^,
WANG Zheng-Qing

Corresponding author:ZHUANG Peng-Fei,

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1987-02-05

Abstract:

The mechanism of high-energy A'－A collision (A>A',A'^1/3>>1) and the space-time evolution of the fluid formed in the collision are analysed. The corresponding 1+1 dimensional hydrodynamical equations are established. The average rapidity distributions are estimated and compared with some cosmic ray events. The origin of the nonsymmetry of rapidity distribution is explained.