Hyperfine splitting in muonic hydrogen constrains new pseudoscalar interactions
W.-Y. Keung, D. Marfatia
TL;DR
This paper uses recent measurements of muonic hydrogen's hyperfine splitting to limit the strength of hypothetical new pseudoscalar interactions between muons and protons.
Contribution
It provides novel constraints on pseudoscalar couplings based on experimental hyperfine splitting data in muonic hydrogen.
Findings
Limits on pseudoscalar muon-proton interactions established
Experimental data constrains new physics beyond the Standard Model
Enhances understanding of muonic hydrogen spectroscopy
Abstract
We constrain the possibility of a new pseudoscalar coupling between the muon and proton using a recent measurement of the 2S hyperfine splitting in muonic hydrogen.
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