Polarization studies on the two-step radiative recombination of highly charged, heavy ions

被引：5

作者：

Maiorova, A. V. ^{[1
]}

Surzhykov, A. ^{[2
,3
]}

Tashenov, S. ^{[4
,5
]}

Shabaev, V. M. ^{[1
]}

Fritzsche, S. ^{[2
,6
]}

Plunien, G. ^{[7
]}

Stoehlker, Th ^{[2
,3
]}

机构：

[1] St Petersburg State Univ, Dept Phys, St Petersburg 198504, Russia

[2] Schwerionenforsch GmbH, GSI Helmholtzzentrum, D-64291 Darmstadt, Germany

[3] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany

[4] Stockholm Univ, AlbaNova Univ Ctr, Atom Phys Div, SE-10691 Stockholm, Sweden

[5] Royal Inst Technol KTH, AlbaNova Univ Ctr, Div Nucl Phys, SE-10691 Stockholm, Sweden

[6] FIAS, D-60438 Frankfurt, Germany

[7] Tech Univ Dresden, Inst Theoret Phys, D-01062 Dresden, Germany

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2009年 / 42卷 / 12期

关键词：

REVERSED PHOTOIONIZATION PROCESS; ELECTRON-CAPTURE; BEAM; BARE; URANIUM; HYDROGENLIKE; COLLISIONS; EMISSION;

D O I：

10.1088/0953-4075/42/12/125003

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Radiative recombination of a free electron into an excited state of a bare, high-Z ion is studied, together with its subsequent decay, within the framework of the density matrix theory and Dirac's relativistic equation. Special attention is paid to the polarization and angular correlations between the recombination and the decay photons. In order to perform a systematic analysis of these correlations the general expression for the double-differential recombination cross section is obtained by making use of the resonance approximation. Based on this expression, detailed computations for the linear polarization of x-ray photons emitted in the (e, 2 gamma) two-step recombination of uranium ions U92+ are carried out for a wide range of projectile energies.

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页数：11

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