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

Journal Article · · Physical Review C
 [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)
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.
Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1341012
Alternate ID(s):
OSTI ID: 1332145
Journal Information:
Physical Review C, Journal Name: Physical Review C Journal Issue: 5 Vol. 94; ISSN PRVCAN; ISSN 2469-9985
Publisher:
APSCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (5)

Nuclear matrix elements of neutrinoless double beta decay for masses 130 and 136 in the shell model journal January 2020
Experimental study of the rearrangements of valence protons and neutrons amongst single-particle orbits during double- β decay in Mo 100 journal November 2017
Double Gamow-Teller Transitions and its Relation to Neutrinoless β β Decay journal April 2018
Charge-exchange reactions and the quest for resolution journal October 2018
Double Gamow-Teller transitions and its relation to neutrinoless $ββ$ decay text January 2017

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