The Medium Effects in Dynamics Processes of the Intermediate Energy Heavy Ion Collisions

LIU Jian-Ye; GE Yu-Cheng; GE Ling-Xiao

Chinese Physics C> 1991, Vol. 15> Issue(1) : 71-79

The Medium Effects in Dynamics Processes of the Intermediate Energy Heavy Ion Collisions

Institute of Modern Physics,Academia Sinica,Lanzhou 730000

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Abstract：
The sideways flow induced by heavy ion collision have been calculated in the framework of BUU equation with and without medium in n-n collision.The medium effect on sideways flow are important,And the addition of medium dependence to n-n collision cross section gives move sideways flow than that of free n-n collision at 1000MeV/A,but less sideways flow at 200 and 400MeV/A due to the energy and density dependences of the elastic and inelastic n-n cross section in the medium.

References

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ter Haar and R. Malfielt, Phys. Rev., C36(1987), 1611.[2] G. Bertsch, G, E, Brown; et al., Private communication.[3] G. Bertsch, H. Krust, and S. Das Gupta, Phys, Rev., C29(1984), 673.[4] G. Bertsch and S. Das Gupta, Phys, Rep., 160(1988), 190.[5] M. Gyulassy, K. A. Frankel and H. Stocker, Phys. Lett., B110(1982), 185[6] P, Damelewieg and G. Odyniec Phys. Lett., 157B(1985), 146.[7] G. Bertsch, G. E. Brown, et al., Nucl. Phys., .A490(1988), 745.

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LIU Jian-Ye, GE Yu-Cheng and GE Ling-Xiao. The Medium Effects in Dynamics Processes of the Intermediate Energy Heavy Ion Collisions[J]. Chinese Physics C, 1991, 15(1): 71-79.

LIU Jian-Ye, GE Yu-Cheng and GE Ling-Xiao. The Medium Effects in Dynamics Processes of the Intermediate Energy Heavy Ion Collisions[J]. Chinese Physics C, 1991, 15(1): 71-79. 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

The Medium Effects in Dynamics Processes of the Intermediate Energy Heavy Ion Collisions

Corresponding author: LIU Jian-Ye,

Institute of Modern Physics,Academia Sinica,Lanzhou 730000

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

Abstract: The sideways flow induced by heavy ion collision have been calculated in the framework of BUU equation with and without medium in n-n collision.The medium effect on sideways flow are important,And the addition of medium dependence to n-n collision cross section gives move sideways flow than that of free n-n collision at 1000MeV/A,but less sideways flow at 200 and 400MeV/A due to the energy and density dependences of the elastic and inelastic n-n cross section in the medium.