The DOI matches its Crossref record; 21 of the 21 references it cites were found in a registry or an index.
Freeze-in production of FIMP dark matter
Open accessAbstract
We propose an alternate, calculable mechanism of dark matter genesis, “thermal freeze-in”, involving a Feebly Interacting Massive Particle (FIMP) interacting so feebly with the thermal bath that it never attains thermal equilibrium. As with the conventional “thermal freeze-out” production mechanism, the relic abundance reflects a combination of initial thermal distributions together with particle masses and couplings that can be measured in the laboratory or astrophysically. The freeze-in yield is IR dominated by low temperatures near the FIMP mass and is independent of unknown UV physics, such as the reheat temperature after inflation. Moduli and modulinos of string theory compactifications that receive mass from weak-scale supersymmetry breaking provide implementations of the freeze-in mechanism, as do models that employ Dirac neutrino masses or GUT-scale-suppressed interactions. Experimental signals of freeze-in and FIMPs can be spectacular, including the production of new metastable coloured or charged particles at the LHC as well as the alteration of big bang nucleosynthesis.
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Cites
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Cited by
Cosmologically varying kinetic mixing
Gan, X., & Liu, D. (2023) · Journal of High Energy Physics · doi:10.1007/jhep11(2023)031 · Cited by 20
A Universe Built on Shadows: Evidence, Candidates, and Detection Strategies for Dark Matter
Felizardo, M. (2026) · Particles · doi:10.3390/particles9040095
Metadata
- Authors
- Hall, L. J., Jedamzik, K., March-Russell, J., & West, S. M.
- Venue
- Journal of High Energy Physics
- Published
- 2010-03
- Volume
- 2010
- Issue
- 3
- ISSN
- 1029-8479 (ISSN-L)
- OpenAlex
- W2045399449
- Cited by
- 1,162
- References
- 21
- FWCI
- 8.42
- Type
- journal article
- Language
- en
- Open access
- hybrid
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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