NEUTRALIZATION OF FAST PROTONS IN GRAZING COLLISIONS WITH A CLEAN AL(111) SURFACE

被引：22

作者：

WINTER, H ^{[1
]}

KIRSCH, R ^{[1
]}

POIZAT, JC ^{[1
]}

REMILLIEUX, J ^{[1
]}

机构：

[1] INST PHYS NUCL, F-69622 VILLEURBANNE, FRANCE

来源：

PHYSICAL REVIEW A | 1991年 / 43卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.43.1660

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate the neutralization of protons scattered from a clean Al(111) surface under grazing incidence for projectile energies ranging from 50 keV to 1.25 MeV. The neutral fraction of the scattered beam strongly depends on the state of preparation of the target surface and monotonically decreases with increasing projectile energy. The fractions are generally smaller than observed after transmission through thin aluminum foils. Our experimental data do not agree with recent theoretical predictions claiming dominant contributions of second-order Thomas scattering to neutralization.

引用

页码：1660 / 1662

页数：3

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