Projectile charge-state dependence of transfer ionization to single capture ratio in collisions of multiply charged ions with He

被引：14

作者：

Montenegro, EC ^{[1
]}

Wong, KL ^{[1
]}

Wu, W ^{[1
]}

Richard, P ^{[1
]}

BenItzhak, I ^{[1
]}

Cocke, CL ^{[1
]}

Moshammer, R ^{[1
]}

Giese, JP ^{[1
]}

Wang, YD ^{[1
]}

Lin, CD ^{[1
]}

机构：

[1] PONTIFICIA UNIV CATOLICA RIO DE JANEIRO, DEPT FIS, BR-22452970 RIO DE JANEIRO, BRAZIL

来源：

PHYSICAL REVIEW A | 1997年 / 55卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.55.2009

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The ratios of the cross sections for the processes of transfer ionization (TI) and single capture (SC) were measured for 2 MeV/u Cl-7+,Cl-9+,Cl-13+,Cl-14+,Cl-15+ and Ti-15+,Ti-18+ projectile ions on He targets. The ratio was determined using a cold He gas target and measuring the coincidences between the projectile and the charge states of the emerging recoil ions. The measured sigma(TI)/sigma(SC) ratio shows a strong dependence with the projectile charge state that is well described by calculations based on the independent electron model. A model to take into account the effect of the electron screening of partially dressed projectiles in the target ionization is also presented.

引用

页码：2009 / 2014

页数：6

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