Bound-state double- decay
arXiv:1805.07815 · doi:10.1103/PhysRevC.98.065501
Abstract
We consider new modes of two-neutrino and neutrinoless double- decays in which one electron goes over to a continuous spectrum and the other occupies a vacant bound level of the daughter ion. We calculate the corresponding phase-space factors of the final states, estimate the partial decay rates, and derive the one- and two-electron energy spectra using relativistic many-electron wave functions of atoms provided by the multiconfiguration Dirac-Hartree-Fock package GRASP2K. While the bound-state neutrinoless double- decays are strongly suppressed, their two-neutrino counterparts can be observed in the next-generation double--decay experiments, most notably SuperNEMO.
11 pages, 12 figures, 1 table; minor style corrections, accepted for publication in Phys. Rev. C
References in corpus (12)
- Search for Majorana Neutrinos near the Inverted Mass Hierarchy Region with KamLAND-Zen
- Phase space factors for double- decay
- and nuclear matrix elements, QRPA, and isospin symmetry restoration
- First Results from CUORE: A Search for Lepton Number Violation via Decay of Te
- Improved limit on neutrinoless double beta decay of Ge from GERDA Phase II
- Probing New Physics Models of Neutrinoless Double Beta Decay with SuperNEMO
- Search for Neutrinoless Double-Beta Decay with the Upgraded EXO-200 Detector
- Neutrinoless double beta decay and neutrino mass
- Average and recommended half-life values for two neutrino double beta decay
- Resonance enhancement of neutrinoless double electron capture
- The light neutrino exchange mechanism of the -decay with left- and right-handed leptonic and hadronic currents revisited
- Partial restoration of isospin symmetry for neutrinoless double beta decay in the deformed nuclear system of Nd