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Laser spectroscopy of muonic hydrogen
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Laser spectroscopy of muonic hydrogen

Randolf Pohl, Aldo Antognini, Fernando D. Amaro, Francois Biraben, Joao M.R. Cardoso, Daniel S. Covita, Andreas Dax, Satish Dhawan, Marc Diepold, Luis M. P. Fernandes, …
Annalen der Physik, 卷.525(8-9), 頁碼.647-651
09/2013
DOI: https://doi.org/10.1002/andp.201300058

摘要

Charge radius Muonic hydrogen Proton radius Proton radius puzzle Rydberg constant Zemach radius Physics and Astronomy (all)
Muonic hydrogen (μp) is a very sensitive probe of the proton structure. Laser spectroscopy of two 2S-2P transitions in μp was used to determine both the Lamb shift and the hyperfine splitting of the 2S state in μp. The rms charge radius of the proton, Rch = 0.84087(39) fm, was extracted from the Lamb shift. The Zemach radius of the proton, RZ = 1.082(37) fm, was obtained from the 2S-hyperfine splitting. This article summarizes the previously published findings. © 2013 by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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