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          Institute: MPI für Kernphysik     Collection: Precision Spectroscopy and Ultracold Ensembles     Display Documents



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ID: 278156.0, MPI für Kernphysik / Precision Spectroscopy and Ultracold Ensembles
Benchmarking high-field few-electron correlation and QED contributions in Hg75+...78+ ions: II. Theory
Authors:Harman, Z.; Tupitsyn, I. I.; Artemyev, A. N.; Jentschura, U. D.; Keitel, C. H.; González Martínez, A. J.; Crespo López-Urrutia, J. R.; Tawara, H.; Ullrich, J.
Language:English
Date of Publication (YYYY-MM-DD):2006-05-23
Title of Journal:Physical Review A
Journal Abbrev.:Phys. Rev. A
Volume:73
Issue / Number:5
Start Page:1
End Page:13
Sequence Number of Article:052711
Copyright:©2006 The American Physical Society
Review Status:Peer-review
Audience:Experts Only
Intended Educational Use:No
Abstract / Description:Theoretical resonance energies for KLL dielectronic recombination into He-, Li-, Be-, and B-like Hg ions are calculated by various means and discussed in detail. We apply the multiconfiguration Dirac-Fock and the configuration interaction Dirac-Fock-Sturmian methods, and quantum electrodynamic many-body theory. The different contributions such as relativistic electron interaction, quantum electrodynamic contributions, and finite nuclear size and mass corrections are calculated and their respective theoretical uncertainties are estimated. Our final results are compared to experimental data from the preceding paper. The comparison of theoretical values with the experimental energies shows a good overall agreement for most transitions and illustrates the significance of relativistic electron interaction contributions including correlation, magnetic, and retardation effects and quantum electrodynamic corrections. A few discrepancies found in specific recombination resonances for initially Li- and Be-like Hg ions are pointed out, suggesting the need for further theoretical and experimental studies along these isoelectronic sequences.
Classification / Thesaurus:34.80.Lx, 31.30.Jv, 31.15.Ne, 31.15.Md
External Publication Status:published
Document Type:Article
Affiliations:MPI für Kernphysik/Group of J. Ullrich/Electron Beam Ion Trap ( J.R. Crespo Lopez-Urrutia)
MPI für Kernphysik/ Group of C.H. Keitel/Quantum Electrodynamics and High Precision Theory (U. D. Jentschura)
External Affiliations:Department of Physics, St. Petersburg State University, Oulianovskaya 1, Petrodvorets, 198504 St. Petersburg, Russia
Identifiers:URL:http://link.aps.org/abstract/PRA/v73/e052711
DOI:10.1103/PhysRevA.73.052711
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