Abstract
The strongest constraints on the Yukawa-type corrections to Newton’s gravitational law and on the coupling constants of axion-like particles to nucleons, following from recently performed experiments of Casimir physics, are presented. Specifically, the constraints obtained from measurements of the lateral and normal Casimir forces between sinusoidally corrugated surfaces, and from the isoelectronic experiment are considered, and the ranges of their greatest strength are refined. Minor modifications in the experimental setups are proposed which allow for strengthening the resultant constraints up to an order of magnitude. The comparison with some weaker constraints derived in the Casimir regime is also made.
Highlights
It is well known that many extensions of the Standard Model predict the existence of light scalar particles [1,2]
This paper summarizes the strongest constraints on the Yukawa-type corrections to Newtonian gravity and on the coupling constants of axion-like particles to nucleons obtained so far from the Casimir physics
In the foregoing the strongest constraints on the Yukawatype corrections to Newtonian gravity and coupling constants of axion-like particles to nucleons following from Casimir physics are collected
Summary
It is well known that many extensions of the Standard Model predict the existence of light scalar particles [1,2]. The stronger up to a factor of 60 constraints have been obtained over the wide range of axion masses from 1.7 meV to 0.9 eV [22] This corresponds to the wavelength of axion-like particles from 1.2 × 10−4 to 2.2 × 10−7 m, respectively. This paper summarizes the strongest constraints on the Yukawa-type corrections to Newtonian gravity and on the coupling constants of axion-like particles to nucleons obtained so far from the Casimir physics. 2 the strongest constraints on the Yukawa-type corrections to Newtonian gravity within the micrometer and submicrometer interaction range (both already obtained and prospective) are discussed.
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