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Title: Rearrangement of valence neutrons in the neutrinoless double-β decay of Xe136

Here, a quantitative description of the change in ground-state neutron occupancies between 136Xe and 136Ba, the initial and final state in the neutrinoless double-β decay of 136Xe, has been extracted from precision measurements of the cross sections of single-neutron-adding and -removing reactions. Comparisons are made to recent theoretical calculations of the same properties using various nuclear-structure models. These are the same calculations used to determine the magnitude of the nuclear matrix elements for the process, which at present disagree with each other by factors of 2 or 3. The experimental neutron occupancies show some disagreement with the theoretical calculations.
Authors:
 [1] ;  [2] ;  [3] ;  [1] ;  [1] ;  [4] ;  [5] ;  [6] ;  [4] ;  [4] ;  [6] ;  [2] ;  [6] ;  [1] ;  [4] ;  [6]
  1. Univ. of Manchester, Manchester (United Kingdom)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)
  3. Univ. of Manchester, Manchester (United Kingdom); Instituut voor Kern -en Stralingsfysica, Leuven (Belgium)
  4. Univ. of the West of Scotland, Paisley (United Kingdom)
  5. Univ. de Sao Paulo, Sao Paulo (Brazil)
  6. Univ. Paris-Sud, Univ. Paris-Saclay, Orsay Cedex (France)
Publication Date:
Grant/Contract Number:
AC02-06CH11357
Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 94; Journal Issue: 5; Journal ID: ISSN 2469-9985
Publisher:
APS
Research Org:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
OSTI Identifier:
1341012
Alternate Identifier(s):
OSTI ID: 1332145