Feebly Interacting Particles
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 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 weekly interacting massive particles. FIP physics is also known as dark-sector physics.[1]
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.
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