THEORETICAL CALCULATION OF ELECTRONIC STOPPING POWER OF WATER-VAPOR BY PROTON IMPACT

被引:42
|
作者
OLIVERA, GH
MARTINEZ, AE
RIVAROLA, RD
FAINSTEIN, PD
机构
[1] UNIV NACL ROSARIO,RA-2000 ROSARIO,ARGENTINA
[2] UNIV PARIS 06,CHIM PHYS LAB,F-75231 PARIS,FRANCE
关键词
D O I
10.2307/3579265
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
The energy loss of proton beams in water vapor is analyzed with a full quantum-mechanical treatment, the distorted-wave model. This model takes into account distortion effects due to the long-range Coulomb potential. Projectile energies from 10 keV up to 1 MeV are considered. Mean stopping power and equilibrium charge-state fractions are calculated and compared with experimental data. The validity of Bragg's additivity rule is investigated. (C) 1995 by Radiation Research Society
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页码:241 / 247
页数:7
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