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Bounds on heavy sterile neutrinos revisited

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TLDR
In this paper, the authors reanalyze the existing data from accelerator neutrino experiments and from Super-Kamiokande to set new bounds on heavy sterile neutrinos in the range of 8 MeV to 390 MeV.
Abstract
We revise the bounds on heavy sterile neutrinos, especially in the case of their mixing with muon neutrinos in the charged current. We summarize the present experimental limits and we reanalyze the existing data from accelerator neutrino experiments and from Super-Kamiokande to set new bounds on a heavy sterile neutrino in the range of masses from 8 MeV to 390 MeV. We also discuss how the future accelerator neutrino experiments can improve the present limits.

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A facility to search for hidden particles at the CERN SPS: the SHiP physics case.

Sergey Alekhin, +95 more
TL;DR: It is demonstrated that the SHiP experiment has a unique potential to discover new physics and can directly probe a number of solutions of beyond the standard model puzzles, such as neutrino masses, baryon asymmetry of the Universe, dark matter, and inflation.
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The Search for Heavy Majorana Neutrinos

TL;DR: In this paper, it was shown that in the presence of Majorana neutrinos in the mass range of ∼ 100 MeV to 5 GeV, the rates for these processes would be enhanced due to their resonant contribution.
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Theory of neutrinos: a white paper

TL;DR: A review of neutrino mass physics can be found in this paper, where the authors summarize what can be learned about neutrinos interactions as well as the nature of new physics beyond the Standard Model from various proposed Neutrino experiments.
Journal ArticleDOI

Sterile neutrinos: The Dark side of the light fermions

TL;DR: The discovery of neutrino masses suggests the likely existence of gauge singlet fermions that participate in the neutrinos mass generation via the seesaw mechanism as discussed by the authors, which can play an important role in astrophysics and cosmology.
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A White Paper on keV sterile neutrino Dark Matter

Rathin Adhikari, +144 more
TL;DR: A comprehensive review of keV-scale neutrino Dark Matter can be found in this paper, where the role of active neutrinos in particle physics, astrophysics, and cosmology is reviewed.
References
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Journal ArticleDOI

Sterile-neutrinos as dark matter

TL;DR: This model is reexamine and it is found that hot, warm, and cold dark matter are all possibilities and the number density of sterile neutrinos is proportional to [mu][sup 2]/M so that the energy density today is independent of M, which is crucial in determining the large scale structure of the Universe.
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The νMSM, dark matter and baryon asymmetry of the universe

TL;DR: In this article, it was shown that the extension of the standard model by three right-handed neutrinos with masses smaller than the electroweak scale (the νMSM) can explain simultaneously dark matter and baryon asymmetry of the universe and be consistent with the experiments on neutrino oscillations.
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New Dark Matter Candidate: Nonthermal Sterile Neutrinos

TL;DR: In this paper, a new and unique dark matter candidate was proposed, which was produced by lepton-number-driven resonant Mikheyev-Smirnov-Wolfenstein conversion of active neutrinos.
Journal ArticleDOI

Baryogenesis via neutrino oscillations

TL;DR: In this article, a new mechanism of leptogenesis was proposed in which the asymmetries in lepton numbers are produced through the $\mathrm{CP}$-violating oscillations of ''sterile'' neutrinos.
Journal ArticleDOI

Neutrinos in cosmology

TL;DR: In this paper, the cosmological implications of neutrinos are reviewed at a different level of scrutiny, including neutrino mass, neutrini mass limits and their effect on primordial nucleosynthesis.
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