PHASE EFFECT IN THE ENERGY-LOSS OF H PROJECTILES IN ZN TARGETS - EXPERIMENTAL-EVIDENCE AND THEORETICAL EXPLANATION

被引：37

作者：

BAUER, P

KASTNER, F

ARNAU, A

SALIN, A

FAINSTEIN, PD

PONCE, VH

ECHENIQUE, PM

机构：

[1] JOHANNES KEPLER UNIV, INST EXPTL PHYS, A-4040 LINZ, AUSTRIA

[2] UNIV BORDEAUX 1, COLLIS ATOM LAB, F-33405 TALENCE, FRANCE

[3] CTR ATOM BARILOCHE, RA-8400 BARILOCHE, ARGENTINA

[4] INST BALSEIRO, RA-8400 BARILOCHE, ARGENTINA

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 69卷 / 07期

关键词：

D O I：

10.1103/PhysRevLett.69.1137

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The energy loss of H projectiles in solid and gaseous Zn has been measured for the first time down to 20 keV/u, showing large differences in the stopping cross section depending on the state of aggregation of the target. For 25-keV protons, the stopping cross section of Zn in the gas phase is found to be 60% higher than that in the solid phase. A charge-state approach to the stopping power of ions in the solid and in the gas is successful in explaining this effect.

引用

页码：1137 / 1139

页数：3

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