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Polarization studies on the two-step radiative recombination of highly charged, heavy ions
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Physics.
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2009 (English)In: Journal of Physics B: Atomic, Molecular and Optical Physics, ISSN 0953-4075, E-ISSN 1361-6455, Vol. 42, no 12, 125003- p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2009. Vol. 42, no 12, 125003- p.
Keyword [en]
REVERSED PHOTOIONIZATION PROCESS, HYDROGEN-LIKE IONS, BARE URANIUM IONS, ELECTRON-CAPTURE, ATOM COLLISIONS, TRAP, BEAM, TRANSITIONS, EMISSION
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-32378DOI: 10.1088/0953-4075/42/12/125003ISI: 000266549900006Scopus ID: 2-s2.0-67650659720OAI: oai:DiVA.org:kth-32378DiVA: diva2:410384
Note
QC 20110413Available from: 2011-04-13 Created: 2011-04-13 Last updated: 2017-12-11Bibliographically approved

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