Precision calculation of the recoil–finite-size correction for the hyperfine splitting in muonic and electronic hydrogen

Antognini A, Lin Y-H & Meißner U-G
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Antognini, A., Lin, Y. H., & Meißner, U. G. (2022). Precision calculation of the recoil–finite-size correction for the hyperfine splitting in muonic and electronic hydrogen. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 835, 137575 (5 pp.). https://doi.org/10.1016/j.physletb.2022.137575
https://www.dora.lib4ri.ch/psi/islandora/object/psi:48173

We present a high-precision calculation of the recoil–finite-size correction to the hyperfine splitting (HFS) in muonic and electronic hydrogen based on nucleon electromagnetic form factors obtained from dispersion theory. This will help guide the upcoming searches of the HFS transition in muonic hydrogen, and will allow a precise determination of the sum of the polarizability and Zemach radius contributions when this transition is found.

Details
Publication Type

Journal Article

Title

Precision calculation of the recoil–finite-size correction for the hyperfine splitting in muonic and electronic hydrogen

Author(s)

Antognini, Aldo (3203 Muon Physics)

Lin, Yong-Hui

Meißner, Ulf-G.

Journal

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

Volume

835

Start Page

137575 (5 pp.)

Publication Year

2022

Peer Review

Yes

Funding (EC, SNSF)

Swiss National Science Foundation: Hyperfine splitting in muonic hydrogen: Lasers and the protons magnetic structure (197052)

Swiss National Science Foundation: Hyperfine splitting in muonic hydrogen and 3He and thin-disk laser development (165854)

European Commission: STRONG-2020 - The strong interaction at the frontier of knowledge: fundamental research and applications (824093)

Collection

PSI Publications
Open Access