Feebly interacting particle
Feebly interacting particles (FIPs) are defined by their extremely suppressed interactions with the Standard Model (SM) bosons and/or fermions. FIP candidates could be massive (FIMP) or massless and coupled to the SM particles through minimal coupling strength.[1] The light FIPs are theorized to be dark matter candidates, and, they provides an explanation for the origin of neutrino masses and CP symmetry in strong interactions.[2] These particles are potential thermal dark matter candidates extending the model of weakly interacting massive particles. FIP physics is also known as dark-sector physics.[1] In February 2022 massive gravitons have been proposed as feebly Interacting particles candidates.[3][4]
References
- ^ a b Lanfranchi, Gaia; Pospelov, Maxim; Schuster, Philip (2020-11-04). "The Search for Feebly-Interacting Particles". Annual Review of Nuclear and Particle Science. 71: 279–313. arXiv:2011.02157. doi:10.1146/annurev-nucl-102419-055056. S2CID 226246183.
- ^ Agrawal, Prateek; Bauer, Martin; Beacham, James; Berlin, Asher; Boyarsky, Alexey; Cebrian, Susana; Cid-Vidal, Xabier; d'Enterria, David; De Roeck, Albert; Drewes, Marco; Echenard, Bertrand (2021-02-24). "Feebly-interacting particles: FIPs 2020 workshop report". The European Physical Journal C. 81 (11): 1015. arXiv:2102.12143. Bibcode:2021EPJC...81.1015A. doi:10.1140/epjc/s10052-021-09703-7. S2CID 232035757.
- ^ Cai, Haiying; Cacciapaglia, Giacomo; Lee, Seung J. (2022-02-23). "Massive Gravitons as Feebly Interacting Dark Matter Candidates". Physical Review Letters. 128 (8): 081806. arXiv:2107.14548. Bibcode:2022PhRvL.128h1806C. doi:10.1103/PhysRevLett.128.081806. ISSN 0031-9007. PMID 35275667. S2CID 236635132.
- ^ Robert Lea (2022-04-09). "Dark matter could be a cosmic relic from extra dimensions". livescience.com. Retrieved 2022-04-22.
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