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The implication of the atomic effects in neutrinoless double beta decay

Journal Article · · Modern Physics Letters A
 [1];  [2]
  1. Physics Department, University of South Dakota, 414 Clark Street, Vermillion, SD 57069, USA; OSTI
  2. Physics Department, University of South Dakota, 414 Clark Street, Vermillion, SD 57069, USA

In the planned ton-scale neutrinoless double beta [Formula: see text] decay experiments, the used [Formula: see text] 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 [Formula: see text] value by 5.502, 12.103, and 12.372 keV for the decays from [Formula: see text], [Formula: see text], and [Formula: see text], respectively. The available kinetic energy for two electrons can be 2033.51 keV for [Formula: see text] decay, 2515.41 keV for [Formula: see text] decay, and 2445.45 keV for [Formula: see text] 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 [Formula: see text] decay events.

Research Organization:
Univ. of South Dakota, Vermillion, SD (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
DOE Contract Number:
SC0004768
OSTI ID:
1980821
Journal Information:
Modern Physics Letters A, Journal Name: Modern Physics Letters A Journal Issue: 10 Vol. 37; ISSN 0217-7323
Publisher:
World Scientific Publishing
Country of Publication:
United States
Language:
English

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