Neutrino oscillations and signals in beta and 0nu2beta experiments

By F. Feruglio, Alessandro Strumia, F. Vissani. 2002

189 citations recorded by the source corpus.

Abstract Assuming Majorana neutrinos, we infer from oscillation data the expected values of the parameters mνe and mee probed by β and 0ν2β-decay experiments. If neutrinos have a ‘normal hierarchy’ we get the 90% CL range |mee|=(0.7−4.6) meV, and discuss in which cases future experiments can test this possibility. For ‘inverse hierarchy’, we get |mee|=(12−57) meV and mνe=(40−57) meV. The 0ν2β data imply that almost degenerate neutrinos are lighter than 1.05 h eV at 90% CL (h∼1 parameterizes nuclear uncertainties), competitive with the β-decay bound. We critically reanalyse the data that were recently used to claim an evidence for 0ν2β, and discuss their implications. Finally, we review the predictions of flavour models for mee and θ13.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/abbe66a73c84670de820711e4ccdbaea5ae92a94

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In Nuclear and High Energy Physics

Citations in the corpus

Letter of Intent: The Precision IceCube Next Generation Upgrade (PINGU) (2014, background): “In addition, the determination of the NMH will influence the interpretation of non-oscillation experiments (neutrinoless double beta decay and beta decay) sensitive to the particle nature of the neutrino (Dirac vs Majorana) and/or its absolute mass [14], and will thus help to test popular see-saw ne”
Double Beta Decay, Majorana Neutrinos, and Neutrino Mass (2007, unknown): “Aalseth et al. (2002b); Feruglio et al. (2002); Harney (2001); Zdesenko et al. (2002).”
Sensitivity and discovery potential of the proposed nEXO experiment to neutrinoless double- β decay (2017, unknown): “ration detectors are currently under development and construction and will begin data taking over the next few years. Evidence of 0νββ in 76Ge has been reported [9, 10, 11] but has yet to be conﬁrmed [12, 13, 14, 15], and recent experimental results are in conﬂict with the claim [16]. TheCryogenicUn”
Explosion mechanism, neutrino burst and gravitational wave in core-collapse supernovae (2005, background): “The flavor composition is shown as well [107, 108].”