High-energy two-electron capture with emission of a single photon

被引：4

作者：

Drukarev, E. G. ^{[1
,2
]}

Mikhailov, A. I. ^{[1
,2
]}

Mikhailov, I. A. ^{[1
,3
]}

Scheid, W. ^{[2
]}

机构：

[1] Petersburg Nucl Phys Inst, St Petersburg 188300, Russia

[2] Univ Giessen, D-35392 Giessen, Germany

[3] Univ Cent Florida, Orlando, FL 32816 USA

来源：

PHYSICAL REVIEW A | 2007年 / 76卷 / 06期

关键词：

D O I：

10.1103/PhysRevA.76.062701

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate the two-electron capture with emission of a single photon to the ground state in the Coulomb field of a heavy nucleus in its collision with a light atom. Describing electron-electron interactions in the bound state perturbatively, we obtained an analytical formula for the high-energy limit of the cross section. In combination with previous results obtained in the same approach we calculated the cross section in a broad interval of energies of the collision. We show that the amplitude of the process at high energy depends on the behavior of the bound state wave function near the triple coalescence point. We analyze the properties of the approximate wave functions which are necessary for the description of the high-energy limit.

引用

页数：13

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