Early universe nucleosynthesis in massive conformal gravity

TL;DR

This paper investigates early universe nucleosynthesis within massive conformal gravity, demonstrating consistency with observed light element abundances when including right-handed sterile neutrinos.

Contribution

It introduces a model of early universe nucleosynthesis in massive conformal gravity incorporating sterile neutrinos, aligning theoretical predictions with observations.

Findings

Consistent primordial light element abundances with sterile neutrinos

Massive conformal gravity compatible with early universe data

Highlights role of right-handed sterile neutrinos in cosmology

Abstract

We study the dynamics of the early universe in massive conformal gravity. In particular, we show that the theory is consistent with the observed values of the primordial abundances of light elements if we consider the existence of right-handed sterile neutrinos.