Global Bayesian analysis of neutrino mass data

Caldwell, Allen; Ettengruber, Manuel; Merle, Alexander; Schulz, Oliver; Totzauer, Maximilian

doi:10.1103/PhysRevD.96.073001

Global Bayesian analysis of neutrino mass data

May 4, 2017

15 pages

Published in:

Phys.Rev.D 96 (2017) 7, 073001

Published: Oct 2, 2017

e-Print:

1705.01945 [hep-ph]

DOI:

10.1103/PhysRevD.96.073001

Report number:

MPP-2017-79,
MPP-2017-79

View in:

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Abstract: (APS)

We perform a global Bayesian analysis of currently available neutrino data, putting data from oscillation experiments, neutrinoless double beta decay (0νββ), and precision cosmology on an equal footing. We evaluate the discovery potential of future 0νββ experiments and the Bayes factor of the two possible neutrino mass ordering schemes for different prior choices. We show that the indication for normal ordering is still very mild and does not strongly depend on realistic prior assumptions or different combinations of cosmological data sets. We find a wide range for 0νββ discovery potential, depending on the absolute neutrino mass scale, mass ordering and achievable background level.

Note:

17 pages, 10 figures

cosmological model
neutrino: mass
neutrino: mass: hierarchy
neutrino: oscillation
neutrino: Majorana
double-beta decay: (0neutrino)
statistical analysis: Bayesian
background
numerical calculations
new physics

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