3 papers
hep-ph2025
Scalar relics from the hot Big Bang
David Cyncynates, Olivier Simon
In this Letter, we motivate the fact that couplings between a scalar field and the Standard Model with strengths relative to gravity yield the total…
hep-ph2025
Minimal targets for dilaton direct detection
David Cyncynates, Olivier Simon
Fifth force and equivalence principle tests search for new interactions by precisely measuring forces between macroscopic collections of atoms and molecules and their properties un…
hep-ph2025
Searching for coupled, hyperlight scalars across cosmic history
Masha Baryakhtar, Olivier Simon, Zachary J. Weiner
Cosmological scalar fields coupled to the Standard Model drive temporal variations in the fundamental constants that grow with redshift, positioning the early Universe as a powerfu…