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Title: Rearrangement of valence neutrons in the neutrinoless double- β decay of Xe 136

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 Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1341012
Alternate ID(s):
OSTI ID: 1332145
Journal Information:
Physical Review C, Vol. 94, Issue 5; ISSN 2469-9985
Publisher:
APSCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 16 works
Citation information provided by
Web of Science

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Cited By (3)

Nuclear matrix elements of neutrinoless double beta decay for masses 130 and 136 in the shell model journal January 2020
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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