The Mass Drift Fluctuation and the Shell Effect in Heavy Ion Collisions

Li Junqing; Liu Janye; Zhu Yongtai; Zhu Jieding

Chinese Physics C> 1988, Vol. 12> Issue(S2) : 189-198

The Mass Drift Fluctuation and the Shell Effect in Heavy Ion Collisions

1 Institute of Modern Physics, Academia Sinica, Lanzhou
2 Lanzhou University

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Abstract：
The master equation is solved numerically for the mass drift and fluctuation of three reaction channels. The driving potential is calculated by means of the D. Myers' mass formula plus shell and paring corrections. The results indicated that the lack of mass drift in the range of zero to a considerable energy loss in heavy ion collisions could be explained by the transport theory. Due to small mass mobility coefficient the mass does not drift considerably during a short time interval. The effect of the shell structure in the driving potential is obvious for the mass relaxation in the low energy loss region.

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Li Junqing, Liu Janye, Zhu Yongtai and Zhu Jieding. The Mass Drift Fluctuation and the Shell Effect in Heavy Ion Collisions[J]. Chinese Physics C, 1988, 12(S2): 189-198.

Li Junqing, Liu Janye, Zhu Yongtai and Zhu Jieding. The Mass Drift Fluctuation and the Shell Effect in Heavy Ion Collisions[J]. Chinese Physics C, 1988, 12(S2): 189-198. shu

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Received: 1986-04-30

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沈阳化工大学材料科学与工程学院沈阳 110142

The Mass Drift Fluctuation and the Shell Effect in Heavy Ion Collisions

1 Institute of Modern Physics, Academia Sinica, Lanzhou
2 Lanzhou University

Received Date: 1986-04-30

Abstract: The master equation is solved numerically for the mass drift and fluctuation of three reaction channels. The driving potential is calculated by means of the D. Myers' mass formula plus shell and paring corrections. The results indicated that the lack of mass drift in the range of zero to a considerable energy loss in heavy ion collisions could be explained by the transport theory. Due to small mass mobility coefficient the mass does not drift considerably during a short time interval. The effect of the shell structure in the driving potential is obvious for the mass relaxation in the low energy loss region.