$\Beta$ And $0\Nu\Beta\Beta$ Decays With Sterile Fermions

descriptionPublicationkeyboard_double_arrow_right Conference object , Other literature type 18 Jun 2018 English Publisher:ZenodoFunded by:EC | ELUSIVES

Authors: Marcano, Xabier;

doi: 10.5281/zenodo.1289309 , 10.5281/zenodo.1289310

$\Beta$ And $0\Nu\Beta\Beta$ Decays With Sterile Fermions

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Abstract

Motivated by the capability of the KATRIN experiment to explore the existence of KeV neutrinos in the [1-18.5] KeV mass range, we explore the viability of minimal extensions of the Standard Model involving sterile neutrinos (effectively accounted by the 3+1 framework) and study their possible impact in both the beta decay and the neutrinoless double-beta decay effective mass, for the two possible ordering of the light neutrino spectrum. We also explore how both observables can discriminate between motivated low-scale seesaw realizations involving KeV sterile neutrinos.

{"references": ["S. Mertens et al, Phys. Rev. D91 (2015) 042005", "A. Abada, A. Hernandez-Cabezudo, X. Marcano, In preparation"]}

Based on A. Abada, A. Hernandez-Cabezudo, X. Marcano, In preparation

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