Chinese Physics C > 1991, Vol. 15 > Issue(6): 543-548

Rapidity Distributions of E_Tand n in RHIC and the Effect of Secondary Collisions

LIU Bo^,,
ZHAO Wei-Qin

Center of Theoretical Physics,CCAST World Lab.Beijing 100080Institute of High Energy Physics,Academia Sinica,Beijing 100039

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Abstract：
Based on the geometrical participant-model in RHIC the effect of secondary collisions is considered by introducing a phenomenological parameter.The rapidity distributions of E _rand n of NA 35 and WA80 groups are fitted very well.The result shows that it is very important to include non-geometrical effects,such as secondary collisions on the basis of geometrical models.

References

[1]

M. Jacob, Opening talk at "Quark Matter '88',Lenox, 26 Sept., 1988 Preprint CERN-TH 5171/88 and the Paper Cited three in.[2] 庄鹏飞、刘连寿, 高能物理与核物理, 14(1990), 427.[3] J. Ranft, Phys. Rev., D37(1988), 1842.石亚非, 李葵发, 王正清, 高能物理与核物理14(1990), 817.[4] Chao Wei-qin, Liu Bo, Z. Phys., C42(1989), 337.刘波、赵维勤，高能物理与核物理, 15(1991),220.[5] C. De Marzo et al Phys. Rev., D26(1982), 1019.[6] R. Albrecht et al., (WA80), Phys. Lett., 202B(1988), 596.[7] H. Strobele et al., (NA35), Z. Phys., C38(1988), 89.[8] F. Plash et al., (WA80), Preprint ORNL, 1990.[9] Miao Bi-xia, Chao Wei-qin, Nucl. Phys., A484(1989), 33C.

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LIU Bo and ZHAO Wei-Qin. Rapidity Distributions of E _Tand n in RHIC and the Effect of Secondary Collisions[J]. Chinese Physics C, 1991, 15(6): 543-548.

LIU Bo and ZHAO Wei-Qin. Rapidity Distributions of E _Tand n in RHIC and the Effect of Secondary Collisions[J]. Chinese Physics C, 1991, 15(6): 543-548. shu

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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

Rapidity Distributions of E_Tand n in RHIC and the Effect of Secondary Collisions

LIU Bo^,
ZHAO Wei-Qin

Corresponding author:LIU Bo,

Center of Theoretical Physics,CCAST World Lab.Beijing 100080Institute of High Energy Physics,Academia Sinica,Beijing 100039

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1991-06-05

Abstract:Based on the geometrical participant-model in RHIC the effect of secondary collisions is considered by introducing a phenomenological parameter.The rapidity distributions of E_rand n of NA 35 and WA80 groups are fitted very well.The result shows that it is very important to include non-geometrical effects,such as secondary collisions on the basis of geometrical models.