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arxiv: 1209.5722 · v1 · pith:4ORVOEKKnew · submitted 2012-09-25 · ⚛️ nucl-th

Phase space factors for double-β decay

classification ⚛️ nucl-th
keywords betaelectroncalculationdecayfactorsphasespaceangular
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A complete and improved calculation of phase space factors (PSF) for $2\nu\beta\beta$ and $0\nu\beta\beta$ decay is presented. The calculation makes use of exact Dirac wave functions with finite nuclear size and electron screening and includes life-times, single and summed electron spectra, and angular electron correlations.

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