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Title: Valence neutron properties relevant to the neutrinoless double- β decay of 130 Te

Abstract

The valence neutron composition of the Te-130 and Xe-130 ground states has been studied with a view to constraining calculations of the nuclear matrix element for the neutrinoless double-beta decay of Te-130. Single-neutron adding and removing reactions on Te-128,Te-130 and Xe-130,Xe-132 have been used to probe the vacancy of the 0g7/2, 1d(5/2), 1d(3/2), 2s(1/2), and 0h(11/2) orbitals. The change in the vacancy of these orbitals, obtained through a self-consistent determination of spectroscopic factors utilizing the Macfarlane-French sum rules, for Te-130 -> Xe-130 is shared only between the d, s(1/2), and h(11/2) orbitals, with the g(7/2) playing no significant role. This is in disagreement with recent calculations within both the quasiparticle random-phase approximation and shell-model frameworks, which show a role for the g(7/2) orbital that should have been observable. The neutron pairing properties of Xe-130 have also been explored through the Xe-132((p, t)) reaction showing no evidence for pairing vibrations.

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science - Office of Nuclear Physics
OSTI Identifier:
1421720
DOE Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article
Journal Name:
Physical Review. C, Nuclear Physics
Additional Journal Information:
Journal Volume: 87; Journal Issue: 1; Journal ID: ISSN 0556-2813
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English

Citation Formats

Kay, B. P., Bloxham, T., McAllister, S. A., Clark, J. A., Deibel, C. M., Freedman, S. J., Freeman, S. J., Han, K., Howard, A. M., Mitchell, A. J., Parker, P. D., Schiffer, J. P., Sharp, D. K., and Thomas, J. S. Valence neutron properties relevant to the neutrinoless double-β decay of 130Te. United States: N. p., 2013. Web. doi:10.1103/PhysRevC.87.011302.
Kay, B. P., Bloxham, T., McAllister, S. A., Clark, J. A., Deibel, C. M., Freedman, S. J., Freeman, S. J., Han, K., Howard, A. M., Mitchell, A. J., Parker, P. D., Schiffer, J. P., Sharp, D. K., & Thomas, J. S. Valence neutron properties relevant to the neutrinoless double-β decay of 130Te. United States. https://doi.org/10.1103/PhysRevC.87.011302
Kay, B. P., Bloxham, T., McAllister, S. A., Clark, J. A., Deibel, C. M., Freedman, S. J., Freeman, S. J., Han, K., Howard, A. M., Mitchell, A. J., Parker, P. D., Schiffer, J. P., Sharp, D. K., and Thomas, J. S. Tue . "Valence neutron properties relevant to the neutrinoless double-β decay of 130Te". United States. https://doi.org/10.1103/PhysRevC.87.011302.
@article{osti_1421720,
title = {Valence neutron properties relevant to the neutrinoless double-β decay of 130Te},
author = {Kay, B. P. and Bloxham, T. and McAllister, S. A. and Clark, J. A. and Deibel, C. M. and Freedman, S. J. and Freeman, S. J. and Han, K. and Howard, A. M. and Mitchell, A. J. and Parker, P. D. and Schiffer, J. P. and Sharp, D. K. and Thomas, J. S.},
abstractNote = {The valence neutron composition of the Te-130 and Xe-130 ground states has been studied with a view to constraining calculations of the nuclear matrix element for the neutrinoless double-beta decay of Te-130. Single-neutron adding and removing reactions on Te-128,Te-130 and Xe-130,Xe-132 have been used to probe the vacancy of the 0g7/2, 1d(5/2), 1d(3/2), 2s(1/2), and 0h(11/2) orbitals. The change in the vacancy of these orbitals, obtained through a self-consistent determination of spectroscopic factors utilizing the Macfarlane-French sum rules, for Te-130 -> Xe-130 is shared only between the d, s(1/2), and h(11/2) orbitals, with the g(7/2) playing no significant role. This is in disagreement with recent calculations within both the quasiparticle random-phase approximation and shell-model frameworks, which show a role for the g(7/2) orbital that should have been observable. The neutron pairing properties of Xe-130 have also been explored through the Xe-132((p, t)) reaction showing no evidence for pairing vibrations.},
doi = {10.1103/PhysRevC.87.011302},
url = {https://www.osti.gov/biblio/1421720}, journal = {Physical Review. C, Nuclear Physics},
issn = {0556-2813},
number = 1,
volume = 87,
place = {United States},
year = {2013},
month = {1}
}

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