Hyperfine splitting in ordinary and muonic hydrogen
Institut für Kernphysik and PRISMA Cluster of Excellence, Johannes Gutenberg Universität, Mainz, Germany
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Accepted: 5 January 2018
Published online: 22 January 2018
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