Open access
Datum
2017-11-24Typ
- Conference Paper
ETH Bibliographie
yes
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Abstract
Laser spectroscopy of the Lamb shift (2S-2P energy difference) in light muonic atoms or ions, in which one negative muon μ− is bound to a nucleus, has been performed. The measurements yield significantly improved values of the root-mean-square charge radii of the nuclei, owing to the large muon mass, which results in a vastly increased muon wave function overlap with the nucleus. The values of the proton and deuteron radii are 10 and 3 times more accurate than the respective CODATA values, but 7 standard deviations smaller. Data on muonic helium-3 and -4 ions is being analyzed and will give new insights. In future, the (magnetic) Zemach radii of the proton and the helium-3 nuclei will be determined from laser spectroscopy of the 1S hyperfine splittings, and the Lamb shifts of muonic Li, Be, and B can be used to improve the respective charge radii. Mehr anzeigen
Persistenter Link
https://doi.org/10.3929/ethz-b-000124725Publikationsstatus
publishedExterne Links
Buchtitel
Proceedings of the 12th International Conference on Low Energy Antiproton Physics (LEAP2016)Zeitschrift / Serie
JPS Conference ProceedingsBand
Seiten / Artikelnummer
Verlag
The Physical Society of JapanKonferenz
Thema
laser spectroscopy; Lamb shift; muonic atoms; proton; deuteron; charge radiusOrganisationseinheit
03864 - Kirch, Klaus / Kirch, Klaus
ETH Bibliographie
yes
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