Matches in SemOpenAlex for { <https://semopenalex.org/work/W3048557710> ?p ?o ?g. }
- W3048557710 endingPage "100699" @default.
- W3048557710 startingPage "100699" @default.
- W3048557710 abstract "The neutrino minimal standard model ($nu$MSM) has been tightly constrained in the recent years, either from dark matter (DM) production or from X-ray and small-scale observations. However, current bounds on sterile neutrino DM can be significantly modified when considering a $nu$MSM extension, in which the DM candidates interact via a massive (axial) vector field. In particular, standard production mechanisms in the early Universe can be affected through the decay of such a massive mediator. We perform an indirect detection analysis to study how the $nu$MSM parameter-space constraints are affected by said interactions. We compute the X-ray fluxes considering a DM profile that self-consistently accounts for the particle physics model by using an updated version of the Ruffini-Arguelles-Rueda (RAR) fermionic (ino) model, instead of phenomenological profiles such as the Navarro-Frenk-White (NFW) distribution. We show that the RAR profile accounting for interacting DM, is compatible with measurements of the Galaxy rotation curve and constraints on the DM self-interacting cross section from the Bullet cluster. A new analysis of the X-ray NuSTAR data in the central parsec of the Milky Way, is here performed to derive constraints on the self-interacting sterile neutrino parameter-space. Such constraints are stronger than those obtained with commonly used DM profiles, due to the dense DM core characteristic of the RAR profiles." @default.
- W3048557710 created "2020-08-18" @default.
- W3048557710 creator A5003688267 @default.
- W3048557710 creator A5047476232 @default.
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- W3048557710 creator A5060909252 @default.
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- W3048557710 creator A5064972870 @default.
- W3048557710 creator A5071620501 @default.
- W3048557710 creator A5081969425 @default.
- W3048557710 date "2020-12-01" @default.
- W3048557710 modified "2023-09-27" @default.
- W3048557710 title "Galactic center constraints on self-interacting sterile neutrinos from fermionic dark matter (“ino”) models" @default.
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