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Impact-Parameter Dependence of the Electronic Energy Loss of Protons in Solids |
| WANG Nengping;HUO Yukun;PAN Zhengying;SHAO Qiyun |
| Department of Physics 2, Fudan University, Shanghai 200433 |
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| Cite this article: |
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WANG Nengping, HUO Yukun, PAN Zhengying et al 1995 Chin. Phys. Lett. 12 389-392 |
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Abstract We calculate the electronic energy loss of the low- and intermidiate-energy proton in collision with a solid atom as a function of the impact-parameter by using the linear-response dielectric theory, the semiclassical approximation and local electron density approximation. The correlation and exchange interaction of the electron gas in solids is taken into consideration by using a local-field-correction dielectric function. With the formalism we also calculate the electronic stopping cross section of protons in solids.
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| Keywords:
34.50.Bw
79.20.Nc
79.20.Rf
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Published: 01 July 1995
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| PACS: |
34.50.Bw
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(Energy loss and stopping power)
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79.20.Nc
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79.20.Rf
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(Atomic, molecular, and ion beam impact and interactions with surfaces)
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