Topical Review - Theory of the n=2 levels in muonic helium-3 ions

In this new article in EPJ D, Franke et al. review the present understanding of Lamb shift, fine- and hyperfine structure of the 2S and 2P states in muonic helium-3 ions in anticipation of the results of the first measurements of several 2S -> 2P transition frequencies in the muonic helium-3 ion, 3He+. This ion is the bound state of a single negative muon μ- and a bare helium-3 nucleus (helion), 3He++.

The authors present a term-by-term comparison of all available sources, including new, updated, and so far unpublished calculations, revealing reliable values and uncertainties of the QED and nuclear structure-dependent contributions to the Lamb shift and the hyperfine splitting. These values are essential for the determination of the helium RMS charge radius and the effects of the nuclear structure on the hyperfine splitting in 3He+. This review continues the authors’ series of theory summaries in light muonic atoms.

In the last years, I contributed to organize different scientific events with the University of Messina and the Bonino-Puleio foundation and with the support of the INFN. In the most of cases, we decided to publish the proceedings in the EPJ Web of Conferences. The main reasons of this choice are: the cost of the publication is very competitive with respect the other publisher (important to justify the expense with the own administration), the quality of the services are excellent from different points of view: the publishing editor and Collaborators are kind to furnish very soon all information and to process all requests, they are able to publish the proceedings in very short time and with high quality. The journal provides also citation indexing via ISI Web of Knowledge and Scopus, very important for the visibility of the articles and the authors.

Giuseppe Mandaglio, University of Messina, Italy
Co-editor EPJ Web of Conferences vol. 142 (2017)

ISSN: 2100-014X (Electronic Edition)

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