Photoionization of doubly-charged Ca ions

被引：7

作者：

West, JB ^{[1
]}

Kjeldsen, H

Folkmann, F

Andersen, T

机构：

[1] CLRC, Daresbury Labs, Warrington WA4 4AD, Cheshire, England

[2] Aarhus Univ, Inst Phys & Astron, DK-8000 Aarhus C, Denmark

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2001年 / 34卷 / 20期

关键词：

D O I：

10.1088/0953-4075/34/20/314

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present measurements on the absolute photoionization cross section of doubly-charged Ca ions in the photon energy range 50-70 eV, which encompasses resonances of the type 3s --> np. The energy dependence of the continuum cross section differs from the earlier measurement by van Kampen et al (1997), but is reproduced quite well by a recent R-matrix calculation (Wilson et al 1999), although the estimates of the oscillator strengths of-the resonance lines are too low.

引用

页码：4035 / 4040

页数：6

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