Chiral Tensor Particles in the Early Universe - Present Status

TL;DR

This paper reviews the role of chiral tensor particles in the early Universe, analyzing their impact on cosmic expansion, interactions, and their presence period, based on an extended cosmological model and recent experimental data.

Contribution

It provides an updated analysis of chiral tensor particles' influence on early Universe evolution within an extended cosmological model.

Findings

Calculated the increase in Universe expansion rate due to these particles

Estimated creation, scattering, annihilation, and decay times based on experimental constraints

Identified the period during which these particles were abundantly present in the Universe

Abstract

In this work an update of the cosmological role and place of the chiral tensor particles in the Universe history is provided. We discuss an extended model with chiral tensor particles. The influence of these particles on the early Universe evolution is studied. Namely, the increase of the Universe expansion rate caused by the additional particles in this extended model is calculated, their characteristic interactions with the particles of the hot Universe plasma are studied and the corresponding times of their creation, scattering, annihilation and decay are estimated for accepted values of their masses and couplings, based on the recent experimental constraints. The period of abundant presence of these particles in the Universe evolution is determined.