https://doi.org/10.1140/epja/i2018-12453-2
Letter
Hyperfine splitting in ordinary and muonic hydrogen
Institut für Kernphysik and PRISMA Cluster of Excellence, Johannes Gutenberg Universität, Mainz, Germany
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Received:
4
November
2017
Accepted:
5
January
2018
Published online:
22
January
2018
Abstract
We provide an accurate evaluation of the two-photon exchange correction to the hyperfine splitting of S energy levels in muonic hydrogen exploiting the corresponding measurements in electronic hydrogen. The proton structure uncertainty in the calculation of 
contribution is sizably reduced.
© The Author(s), 2018
