Interpolation formula for particle reflection coefficient of keV light ions obliquely incident on heavy solids

被引：4

作者：

Vukanic, Jovan ^{[1
]}

Simovic, Rodoljub D. ^{[2
]}

Ljubenov, Vladan ^{[3
]}

机构：

[1] Vinca Inst Nucl Sci, Atom Phys Lab, Belgrade 11001, Serbia

[2] Union Univ, Fac Ecol & Environm Protect, Belgrade 11000, Serbia

[3] IAEA, A-1400 Vienna, Austria

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2011年 / 269卷 / 02期

关键词：

Light ion; Heavy target; Reflection coefficient; Interpolation formula; Scaling parameter; TOTAL BACKSCATTERING; BIPARTITION MODEL; GRAZING-INCIDENCE; TRANSPORT; APPROXIMATION; PARAMETER; TARGETS; REGION;

D O I：

10.1016/j.nimb.2010.10.023

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The particle reflection coefficient of light keV ions backscattered from heavy solids as a function of the ion incidence angle has been determined by a suitable interpolation formula. The formula has two fitting parameters which are obtained by using results from two limiting analytic approaches: by the single collision model - in case of nearly perpendicular incidence; and by the small-angle multiple scattering theory - in case of glancing angles of incidence. The obtained interpolation formula is a universal function of the scaled transport cross section and the angle of incidence. Comparison of our calculations with Monte Carlo simulation data and the experimental results of other authors gives good agreement for particle reflection coefficient. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：89 / 93

页数：5

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