Rearrangement of valence neutrons in the neutrinoless double-\beta decay of 136Xe

Stuart Szwec; B. P. Kay; Thomas Cocolios; Jonathan Entwisle; Sean Freeman; L Gaffney; V. Salustino Guimaraes; F. Hammache; P.P. McKee; E. Parr; C. Portail; J.P. Schiffer; N. de Sereville; D.K. Sharp; J.F. Smith; I. Stefan

doi:10.1103/PhysRevC.94.054314

Rearrangement of valence neutrons in the neutrinoless double-\beta decay of 136Xe

Stuart Szwec, B. P. Kay, Thomas Cocolios, Jonathan Entwisle, Sean Freeman, L Gaffney, V. Salustino Guimaraes, F. Hammache, P.P. McKee, E. Parr, C. Portail, J.P. Schiffer, N. de Sereville, D.K. Sharp, J.F. Smith, I. Stefan

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Abstract

A quantitative description of the change in ground-state neutron occupancies between 136Xe and 136Ba, the initial and nal state in the neutrinoless double 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 t determine the magnitude of the nuclear matrix elements for the process, which at present disagree with each other by factors of two or three. The experimental neutron occupancies show some disagreement with the theoretical calculations.

Original language	English
Journal	Physical Review C (Nuclear Physics)
Early online date	15 Nov 2016
DOIs	https://doi.org/10.1103/PhysRevC.94.054314
Publication status	Published - 2016

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Szwec, S., Kay, B. P., Cocolios, T., Entwisle, J., Freeman, S., Gaffney, L., Guimaraes, V. S., Hammache, F., McKee, P. P., Parr, E., Portail, C., Schiffer, J. P., de Sereville, N., Sharp, D. K., Smith, J. F., & Stefan, I. (2016). Rearrangement of valence neutrons in the neutrinoless double-\beta decay of 136Xe. Physical Review C (Nuclear Physics). https://doi.org/10.1103/PhysRevC.94.054314

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abstract = "A quantitative description of the change in ground-state neutron occupancies between 136Xe and 136Ba, the initial and nal state in the neutrinoless double 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 t determine the magnitude of the nuclear matrix elements for the process, which at present disagree with each other by factors of two or three. The experimental neutron occupancies show some disagreement with the theoretical calculations.",

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doi = "10.1103/PhysRevC.94.054314",

language = "English",

journal = "Physical Review C (Nuclear Physics)",

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T1 - Rearrangement of valence neutrons in the neutrinoless double-\beta decay of 136Xe

AU - Szwec, Stuart

AU - Kay, B. P.

AU - Cocolios, Thomas

AU - Entwisle, Jonathan

AU - Freeman, Sean

AU - Gaffney, L

AU - Guimaraes, V. Salustino

AU - Hammache, F.

AU - McKee, P.P.

AU - Parr, E.

AU - Portail, C.

AU - Schiffer, J.P.

AU - de Sereville, N.

AU - Sharp, D.K.

AU - Smith, J.F.

AU - Stefan, I.

PY - 2016

Y1 - 2016

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AB - A quantitative description of the change in ground-state neutron occupancies between 136Xe and 136Ba, the initial and nal state in the neutrinoless double 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 t determine the magnitude of the nuclear matrix elements for the process, which at present disagree with each other by factors of two or three. The experimental neutron occupancies show some disagreement with the theoretical calculations.

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U2 - 10.1103/PhysRevC.94.054314

DO - 10.1103/PhysRevC.94.054314

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SN - 0556-2813

JO - Physical Review C (Nuclear Physics)

JF - Physical Review C (Nuclear Physics)

ER -

Rearrangement of valence neutrons in the neutrinoless double-\beta decay of 136Xe

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