• Publications
  • Influence
Neutrinos in cosmology
Abstract Cosmological implications of neutrinos are reviewed. The following subjects are discussed at a different level of scrutiny: cosmological limits on neutrino mass, neutrinos and primordialExpand
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DarkSide-20k: A 20 tonne two-phase LAr TPC for direct dark matter detection at LNGS
Abstract.Building on the successful experience in operating the DarkSide-50 detector, the DarkSide Collaboration is going to construct DarkSide-20k, a direct WIMP search detector using a two-phaseExpand
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Massive sterile neutrinos as warm dark matter
Abstract We show that massive sterile neutrinos mixed with the ordinary ones may be produced in the early universe in the right amount to be natural warm dark matter particles. Their mass should beExpand
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Cosmological bounds on neutrino degeneracy improved by flavor oscillations
Abstract We study three-flavor neutrino oscillations in the early universe in the presence of neutrino chemical potentials. We take into account all effects from the background medium, i.e.,Expand
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Neutrinos in cosmology
Cosmological implications of neutrinos are reviewed. The subjects considered involve: (a) bounds on neutrino mass from the observational limits on the universe age and the Hubble constant both inExpand
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Heavy sterile neutrinos: Bounds from big-bang nucleosynthesis and SN 1987A
Cosmological and astrophysical effects of heavy (10–200 MeV) sterile Dirac neutrinos, mixed with the active ones, are considered. The bounds on mass and mixing angle from both supernovae and big-bangExpand
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Cosmological and astrophysical bounds on a heavy sterile neutrino and the KARMEN anomaly
Constraints on the lifetime of the heavy sterile neutrino, that was proposed as a possible interpretation of the KARMEN anomaly, are derived from primordial nucleosynthesis and SN 1987A. TogetherExpand
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Big Bang Nucleosynthesis
Abstract A review of Big Bang Nucleosynthesis (BBN) is presented. Observations of deuterium and helium-4 are discussed. Some BBN restrictions on non-standard physics, especially on neutrinoExpand
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Non-equilibrium corrections to the spectra of massless neutrinos in the early universe
Abstract We repeat our previous calculation of the spectrum distortion of massless neutrinos in the early universe with a considerably better accuracy and corrected for a missing numerical factor inExpand
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Can modified gravity explain accelerated cosmic expansion
We show that the recently suggested explanations of cosmic acceleration by the modification of gravity at small curvature suffer violent instabilities and strongly disagree with the known propertiesExpand
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