Comparing measurements and limits on the warm dark matter temperature-to-mass ratio

TL;DR

This paper investigates the apparent inconsistency between limits on warm dark matter mass and measurements of its temperature-to-mass ratio, aiming to clarify the underlying issue.

Contribution

It provides an analysis of the discrepancy between warm dark matter mass limits and temperature-to-mass ratio measurements.

Findings

Identifies potential reasons for the inconsistency

Proposes methods to reconcile measurements with limits

Highlights implications for dark matter models

Abstract

Limits on the "thermal relic" warm dark matter mass are apparently inconsistent with measurements of the warm dark matter temperature-to-mass ratio. We try to understand this problem.