#light massive relics

topiclight massive relics

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astro-ph.CO2026

Using SquiRels to Find LiMRs: A Model-Insensitive Approach to Cosmic Microwave Background Studies of Light but Massive Relics

Nicholas DePorzio, David Imig, Jessie Shelton

The paper introduces a phenomenological framework called SquiRels to model light but massive relics (LiMRs) in a model‑agnostic way, using CMB data to set limits on LiMRs that beco…