Doubly excited states in Helium close to the double ionization threshold:: Angular and energy resolved partial cross sections

被引：3

作者：

Czasch, A. ^{[1
]}

Schoeffler, M. ^{[1
]}

Jahnke, T. ^{[1
]}

Schoessler, S. ^{[1
]}

Hattass, M. ^{[1
]}

Weber, Th. ^{[1
]}

Weckenbrock, M. ^{[1
]}

Titze, J. ^{[1
]}

Wimmer, C. ^{[1
]}

Staudte, A. ^{[1
]}

Kammer, S. ^{[1
]}

Voss, S. ^{[1
]}

Doerner, R. ^{[1
]}

Schmidt-Boecking, H. ^{[1
]}

Rost, J. M. ^{[2
]}

Schneider, T. ^{[2
]}

Liu, C. ^{[3
]}

机构：

[1] Univ Frankfurt, Inst Kernphys, D-6000 Frankfurt, Germany

[2] Max Planck Inst Phys Komplexer Syst, Dresden, Germany

[3] Kansas State Univ, Dept Phys, Manhattan, KS 66506 USA

来源：

PHYSICA SCRIPTA | 2004年 / T110卷

关键词：

D O I：

10.1238/Physica.Topical.110a00141

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

This is a report about a novel experiment on double excitation of Helium by absorption of synchrotron radiation close to the double ionization threshold at 79 eV. Partial cross-sections for single-ionization from 78.15 eV up to 78,9 eV (photon energy) with an energy resolution of 3 meV have been measured. The technique described in this article allows for an angular and energy resolved measurement of low energy electrons with a high detection efficiency due to an angular acceptance of 4 pi solid angle.

引用

页码：141 / 143

页数：3

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