Precision spectroscopy of metastable hydrogen and antihydrogen with a Lamb-shift polarimeter |
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Authors: | R Engels K Grigoryev M Mikirtytchyants H Paetz gen Schieck F Rathmann G Schug H Str?her A Vasilyev M Westig |
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Institution: | 1. Institut für Kernphysik, FZ Jülich, Leo-Brandt-Str.1, 52425, Jülich, Germany 2. Institut für Kernphysik, Universit?t zu K?ln, Zülpicher Str. 77, 50937, K?ln, Germany 3. St. Petersburg Nuclear Physics Institute, Orlova Rosha, 188350, Gatchina, Russia 4. I. Physikalisches Institut, Universit?t zu K?ln, Zülpicher Str. 77, 50937, K?ln, Germany
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Abstract: | A spinfilter, the most important component of a Lamb-shift polarimeter, can be used to produce a beam of metastable hydrogen (deuterium) atoms in one hyperfine state (α1, α2 and together with the Sona transition β3). As function of a magnetic field separated transitions between the 2S 1/2 metastable hyperfine states seem to be observable as well as single transitions into the short-lived 2P 1/2 and 2P 3/2 states. The Breit-Rabi diagrams for these states can be measured with good precision. Furthermore, the hyperfine splittings and the Lamb shift can be observed as well. Application of this method to anti-hydrogen atoms are suggested. |
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