Matches in SemOpenAlex for { <https://semopenalex.org/work/W2624804517> ?p ?o ?g. }
- W2624804517 abstract "Dark matter (DM) is added to the Froggatt-Nielsen (FN) mechanism, and conditions for its successful freeze-out identified. Requesting the FN scale ${mathrm{ensuremath{Lambda}}}_{mathrm{FN}}$ to be the cutoff of the theory renders freeze-out scenarios surprisingly few. Fermionic DM is typically charged under $U(1{)}_{mathrm{FN}}$, with the dominant annihilation channel a $CP$-even flavon $+$ $CP$-odd flavon. A minimal case is when the DM-flavon coupling strength is $mathcal{O}(1)$, with several implications: (1) the DM mass is $mathcal{O}(100text{ }mathrm{GeV}--1text{ }text{ }mathrm{TeV})$, thanks to the WIMP coincidence, (2) requiring perturbativity of couplings puts a lower and upper limit on the flavor scale, $2text{ }text{ }mathrm{TeV}ensuremath{lesssim}{mathrm{ensuremath{Lambda}}}_{mathrm{FN}}ensuremath{lesssim}14text{ }text{ }mathrm{TeV}$, on account of its relation to DM mass and couplings, (3) DM is a ``secluded WIMP'' effectively hidden from collider and direct detection searches. Limits on the masses of dark matter and mediators from kaon mixing measurements constitute the best constraints, surpassing Xenon1T, Fermi-LAT, and the LHC. Future direct detection searches, and collider searches for missing energy plus a single jet/bottom/top, are promising avenues for discovery." @default.
- W2624804517 created "2017-06-23" @default.
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- W2624804517 date "2017-10-03" @default.
- W2624804517 modified "2023-09-27" @default.
- W2624804517 title "Thermal dark matter via the flavon portal" @default.
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- W2624804517 doi "https://doi.org/10.1103/physrevd.96.075002" @default.
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