Journal
CANADIAN JOURNAL OF PHYSICS
Volume 89, Issue 1, Pages 103-107Publisher
CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS
DOI: 10.1139/P10-065
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High resolution ro-vibrational spectroscopy of H-2(+) or HD+ can lead to a significantly improved determination of the electron to proton mass ratio m(e)/m(p) if the theoretical determination of transition frequencies becomes sufficiently accurate. We report on recent theoretical progress in the description of the hyperfine structure of H-2+, as well as first steps in the evaluation of radiative corrections at order m alpha(7). Completion of the latter calculation should allow us to reach the projected 10(-10) accuracy level and open the road to mass ratio determination.
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