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4p-inner-shell and double-excitation spectrum of Sr II

Banahan, Caroline, Costello, John T. orcid logoORCID: 0000-0003-4677-9999, Kilbane, Deirdre and van Kampen, Paul (2009) 4p-inner-shell and double-excitation spectrum of Sr II. Physical Review A, 79 (2). 022509-1. ISSN 1050-2947

We report photoabsorption measurements from the 4p inner shell of singly ionized strontium in the spectral region between 26.0 and 37.4 eV. More than 60 levels of Sr II are reported which are interpreted as singly excited inner-shell transitions 4p65s 2S1∕2→4p45s(1P,3P)ns, md and doubly excited transitions 4p65s 2S1∕2→4p54d(1P,3P,3D)nl. Multiconfiguration Hartree-Fock calculations are performed in jj coupling and the levels are arranged into Rydberg series converging on seven limits, allowing the identification of two levels in Sr III.
Item Type:Article (Published)
Subjects:Physical Sciences > Physics
DCU Faculties and Centres:Research Institutes and Centres > National Centre for Plasma Science and Technology (NCPST)
DCU Faculties and Schools > Faculty of Science and Health > School of Physical Sciences
Publisher:The American Physical Society
Official URL:http://dx.doi.org/10.1103/PhysRevA.79.022509
Copyright Information:© 2009 The American Physical Society
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:15659
Deposited On:12 Aug 2010 10:19 by DORAS Administrator . Last Modified 11 May 2021 11:05

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