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X-ray emission associated with radiative recombination for Pb82+ ions at threshold energies
- Zhu, B. (author)
- Gumberidze, A. (author)
- Over, T. (author)
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- Weber, G. (author)
- Andelkovic, Z. (author)
- Bräuning-Demian, A. (author)
- Chen, R. J. (author)
- Dmytriiev, D. (author)
- Forstner, O. (author)
- Hahn, C. (author)
- Herfurth, F. (author)
- Herdrich, M. O. (author)
- Hillenbrand, P.-M. (author)
- Kalinin, A. (author)
- Kröger, F. M. (author)
- Lestinsky, M. (author)
- Litvinov, Yu. A. (author)
- Menz, E. B. (author)
- Middents, W. (author)
- Morgenroth, T. (author)
- Petridis, N. (author)
- Pfäfflein, Ph (author)
- Sanjari, M. S. (author)
- Sidhu, R. S. (author)
- Spillmann, U. (author)
- Schippers, S. (author)
- Trotsenko, S. (author)
- Varga, L. (author)
- Vorobyev, G. (author)
- Stöhlker, Th. (author)
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- (creator_code:org_t)
- 2022
- 2022
- English.
- In: Physical Review A: covering atomic, molecular, and optical physics and quantum information. - 2469-9926 .- 2469-9934. ; 105:5
- Journal article (peer-reviewed)
Abstract
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- For decelerated bare lead ions at a low beam energy of 10 MeV/u, the x-ray emission associated with radiative recombination (RR) at threshold energies has been studied at the electron cooler of CRYRING@ESR at GSI, Darmstadt. In our experiment, we observed the full x-ray emission pattern by utilizing dedicated x-ray detection chambers installed at 0∘ and 180∘ observation geometry. Most remarkably, no line distortion effects due to delayed emission are present in the well-defined x-ray spectra, spanning a wide range of x-ray energies (from about 5 to 100 keV), which enables us to identify fine-structure resolved Lyman, Balmer, and Paschen x-ray lines along with the RR transitions into the K, L, and M shells of the ions. For comparison with theory, an elaborate theoretical model is established taking into account the initial population distribution via RR for all atomic levels up to Rydberg states with principal quantum number n=165 in combination with time-dependent feeding transitions. Within the statistical accuracy, the experimental data are in very good agreement with the results of rigorous relativistic predictions. Most notably, this comparison sheds light on the contribution of prompt and delayed x-ray emission (up to 70 ns) to the observed x-ray spectra, originating in particular from yrast transitions into inner shells.
Subject headings
- NATURVETENSKAP -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)
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- art (subject category)
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- By the author/editor
- Zhu, B.
- Gumberidze, A.
- Over, T.
- Weber, G.
- Andelkovic, Z.
- Bräuning-Demian, ...
- show more...
- Chen, R. J.
- Dmytriiev, D.
- Forstner, O.
- Hahn, C.
- Herfurth, F.
- Herdrich, M. O.
- Hillenbrand, P.- ...
- Kalinin, A.
- Kröger, F. M.
- Lestinsky, M.
- Litvinov, Yu. A.
- Menz, E. B.
- Middents, W.
- Morgenroth, T.
- Petridis, N.
- Pfäfflein, Ph
- Sanjari, M. S.
- Sidhu, R. S.
- Spillmann, U.
- Schuch, Reinhold
- Schippers, S.
- Trotsenko, S.
- Varga, L.
- Vorobyev, G.
- Stöhlker, Th.
- show less...
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- Stockholm University
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