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Dips in the Diffuse Supernova Neutrino Background
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Scalar (fermion) dark matter with mass in the MeV range coupled to ordinary neutrinos and another fermion (scalar) is motivated by scenarios that establish a link between radiatively generated neutrino masses and the dark matter relic density. With such a coupling, cosmic supernova neutrinos, on their way to us, could resonantly interact with the background dark matter particles, giving rise to a dip in their redshift-integrated spectra. Current and future neutrino detectors, such as Super-Kamiokande, LENA and Hyper-Kamiokande, could be able to detect this distortion.
Forward citations
Cited by 4 Pith papers
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Dark matter scattering with pre-supernova neutrinos
Attenuation of pre-supernova electron antineutrinos by local dark matter yields upper limits on the reduced DM–ν cross section of order 10^{-21} cm^{2}/GeV at detectors such as JUNO, Super-K and KamLAND.
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New Constraints on Neutrino-Dark Matter Interactions: A Comprehensive Analysis
Most benchmark neutrino-dark matter couplings adopted in previous studies are excluded when laboratory meson and Z decay bounds are combined with cosmological and astrophysical constraints, leaving only special galact...
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Cosmological impact of $\nu$DM interactions enhanced in narrow redshift ranges
A redshift-limited dark matter-neutrino interaction reproduces the observed preference for non-zero coupling in CMB and cosmic shear data and evades small-scale structure bounds.
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Diffuse Supernova Neutrinos with Secret Neutrino Interactions
Models scalar-mediated νSI on the DSNB in a full three-flavor PMNS framework for four coupling structures and projects 3σ sensitivities at JUNO, Hyper-Kamiokande-Gd, and DUNE reaching g∼10^{-8} for m_ϕ∼100-300 eV.
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