arXiv:1501.00455·v2·High Energy Physics — Phenomenology
Hyperfine splitting in muonic hydrogen constrains new pseudoscalar interactions
W.-Y. Keung🇺🇸 · D. Marfatia🇺🇸
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.
Comments: 3 pages, 2 figures. Version to appear in PLB