Abstract A shell-wise calculation method and a quantal harmonic-oscillator model have been used to calculate the electronic stopping cross sections for heavy ions colliding with atoms or penetrating matter. The electronic energy loss is given in an impact parameter formalism. In order to generalize the theoretical models, which pertain to the cese of point charge interacting with matter, to the case for heavy ions, an effective stopping charge hased on the modified BK theory is used by way of simple scaling in the calculations. The comparisons between the calculated results and the experimental data demonstrate a favourable evidence to justify the theoretical models.
Received: 05 January 1993
Accepted manuscript online:
PACS:
34.50.Bw
(Energy loss and stopping power)
Fund: Project supported by the National Natural Science Foundation of China.
Cite this article:
XIA YUE-YUAN (夏曰源), TAN CHUN-YU (谭春雨), YANG HONG (杨洪), SUN XIU-FANG (孙秀芳) Z1- AND Z2-OSCILLATIONS OF ELECTRONIC STOPPING CROSS SECTIONS OBTAINED BY SHELL-WISE CALCULATION AND HARMONIC-OSCILLATOR MODEL 1994 Acta Physica Sinica (Overseas Edition) 3 81
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