Phase-space factors and half-life predictions for Majoron-emitting β−β− decay
Lataukset:
Kotila, J.-M., Barea, J., & Iachello, F. (2015). Phase-space factors and half-life predictions for Majoron-emitting β−β− decay. Physical Review C, 91(6), Article 064310. https://doi.org/10.1103/PhysRevC.91.064310
Julkaistu sarjassa
Physical Review CPäivämäärä
2015Tekijänoikeudet
© 2015 American Physical Society. This is an Open Access article under the terms of the Creative Commons License which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
A complete calculation of phase space factors (PSFs) for Majoron-emitting 0νβ − β − decay modes is presented. The calculation makes use of exact Dirac wave functions with finite nuclear size and electron screening and includes lifetimes, single-electron spectra, summed electron spectra, and angular electron correlations. Combining these results with recent microscopic interacting boson model nuclear matrix elements (NMEs) we make half-life predictions for the ordinary Majoron decay (spectral index n=1 ). Furthermore, comparing theoretical predictions with the obtained experimental lower bounds for this decay mode we are able to set limits on the effective Majoron-neutrino coupling constant ⟨g M ee ⟩.
Julkaisija
American Physical SocietyISSN Hae Julkaisufoorumista
0556-2813Asiasanat
Huom.
Artikkeliin liittyy Erratum.
Katso myös
http://dx.doi.org/10.1103/PhysRevC.92.029903Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/24783668
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