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- Title
The implication of the atomic effects in neutrinoless double beta decay.
- Authors
Mei, D.-M.; Wei, W.-Z.
- Abstract
In the planned ton-scale neutrinoless double beta (0 ν β β) decay experiments, the used Q value is the mass-energy difference between the ground states of mother and daughter atoms, without correcting the atomic energy difference due to the alteration in the nuclear charge before and after the decay process. We show that the atomic energy change between the two ground states can potentially reduce the Q value by 5.502, 12.103, and 12.372 keV for the decays from 7 6 Ge , 1 3 0 Te , and 1 3 6 Xe , respectively. The available kinetic energy for two electrons can be 2033.51 keV for 7 6 Ge decay, 2515.41 keV for 1 3 0 Te decay, and 2445.45 keV for 1 3 6 Xe decay after correcting for atomic effects. This implies that the planned experiments could potentially miss the decay signature if a narrow energy window is designated to reduce background events including 2 ν β β decay events.
- Subjects
NEUTRINOLESS double beta decay; NUCLEAR energy; ELECTRON kinetic energy; NUCLEAR charge; MOTHER-daughter relationship
- Publication
Modern Physics Letters A, 2022, Vol 37, Issue 10, p1
- ISSN
0217-7323
- Publication type
Article
- DOI
10.1142/S0217732322500584