Uncertainties in nuclear matrix elements for neutrinoless double-beta decay

I briefly review calculations of the matrix elements governing neutrinoless double-beta decay, focusing on attempts to assign uncertainties. At present, systematic error dominates statistical error and assigning uncertainty is difficult. For some purposes, however, statistical assessment of uncertai...

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Bibliographic Details
Published in:Journal of physics. G, Nuclear and particle physics Nuclear and particle physics, 2015-03, Vol.42 (3), p.34017
Main Author: Engel, Jonathan
Format: Article
Language:English
Subjects:
Approximation
Decomposition
double-beta decay
error analysis
Errors
Mathematical analysis
Mathematical models
nuclear structure
Strategy
Systematic errors
Uncertainty
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Summary:I briefly review calculations of the matrix elements governing neutrinoless double-beta decay, focusing on attempts to assign uncertainties. At present, systematic error dominates statistical error and assigning uncertainty is difficult. For some purposes, however, statistical assessment of uncertainty is profitable and, after describing the nuclear models in which matrix elements are commonly calculated, I highlight some statistical uncertainty analysis within the quasiparticle random-phase approximation. I also propose, in broad terms, strategies for reducing both systematic and statistical error.
ISSN:0954-3899
1361-6471
DOI:10.1088/0954-3899/42/3/034017