Matches in SemOpenAlex for { <https://semopenalex.org/work/W2007682808> ?p ?o ?g. }
- W2007682808 abstract "Inspired by the decaying dark matter (DM) which can explain cosmic ray anomalies naturally, we consider the supersymmetric Standard Model with three right-handed neutrinos (RHNs) and R-parity, and introduce a TeV-scale DM sector with two fields ϕ 1,2 and a Z 3 discrete symmetry. The DM sector only interacts with the RHNs via a very heavy field exchange and then we can explain the cosmic ray anomalies. With the second right-handed neutrino N 2 dominant seesaw mechanism at the low scale around 104 GeV, we show that ϕ 1,2 can obtain the vacuum expectation values around the TeV scale, and then the lightest state from ϕ 1,2 is the decay DM with lifetime around ∼1026 s. In particular, the DM very long lifetime is related to the tiny neutrino masses, and the dominant DM decay channels to μ (and τ) are related to the approximate μ − τ symmetry. Furthermore, the correct DM relic density can be obtained via the freeze-in mechanism, the small-scale problem for power spectrum can be solved due to the decays of the R-parity odd meta-stable states in the DM sector, and the baryon asymmetry can be generated via the soft leptogensis." @default.
- W2007682808 created "2016-06-24" @default.
- W2007682808 creator A5023114173 @default.
- W2007682808 creator A5048630884 @default.
- W2007682808 date "2011-02-01" @default.
- W2007682808 modified "2023-10-16" @default.
- W2007682808 title "Decaying dark matter in the supersymmetric standard model with freeze-in and seesaw mechanims" @default.
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- W2007682808 doi "https://doi.org/10.1007/jhep02(2011)035" @default.
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