Radiative Production of Non-thermal Dark Matter
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We compare dark matter production from the thermal bath in the early universe with its direct production through the decay of the inflaton. We show that even if dark matter does not possess a direct coupling with the inflaton, Standard Model loop processes may be sufficient to generate the correct relic abundance.
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Forward citations
Cited by 2 Pith papers
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When direct detection constrains reheating temperature: freeze-in with stronger couplings and inflaton-seeded freeze-in
Stronger couplings or inflaton-seeded initial abundance allow freeze-in dark matter to match the relic density while evading DAMIC-M and PandaX bounds for reheating temperatures below the electroweak scale.
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Gravitino Freeze-In Dark Matter with an Additional Scalar Field
An additional scalar field dilutes gravitino freeze-in dark matter for matter-like equations of state, permitting larger reheating temperatures consistent with leptogenesis.
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