Neutrinoless double-

H. T. Xue; X. R. Zhou; S. Y. Zhang; B. C. He; Y. A. Luo; L. Li; F. Pan; J. P. Draayer

doi:10.1103/PhysRevC.105.014304

Neutrinoless double-

H. T. Xue, X. R. Zhou, S. Y. Zhang, B. C. He, Y. A. Luo, L. Li, F. Pan, J. P. Draayer

School of Physics and Electronic Science

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Nuclear matrix elements (NMEs) of neutrinoless double-β decay (0νββ) from 01+ to 01+ of Te130→Xe130, Xe134→Ba134, and Xe136→Ba136 are calculated in the nucleon pair shell-model framework. It is found that the NMEs of 0νββ calculated in the surface-δ approximation (SDI) and the BCS approximation with the model space truncated into the SD-pair subspace are close to each other and smaller than those predicted by the other models. The inclusion of the G pair does not alter the results significantly. When the single-particle energies are assumed to be degenerate, the calculated results in the SD-pair shell model become close to those of the other models. It is also shown that the NMEs are sensitive to the model parameters.

Original language	English
Article number	014304
Journal	Physical Review C
Volume	105
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.105.014304
State	Published - Jan 2022

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title = "Neutrinoless double-",

abstract = "Nuclear matrix elements (NMEs) of neutrinoless double-β decay (0νββ) from 01+ to 01+ of Te130→Xe130, Xe134→Ba134, and Xe136→Ba136 are calculated in the nucleon pair shell-model framework. It is found that the NMEs of 0νββ calculated in the surface-δ approximation (SDI) and the BCS approximation with the model space truncated into the SD-pair subspace are close to each other and smaller than those predicted by the other models. The inclusion of the G pair does not alter the results significantly. When the single-particle energies are assumed to be degenerate, the calculated results in the SD-pair shell model become close to those of the other models. It is also shown that the NMEs are sensitive to the model parameters.",

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doi = "10.1103/PhysRevC.105.014304",

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T1 - Neutrinoless double-

AU - Xue, H. T.

AU - Zhou, X. R.

AU - Zhang, S. Y.

AU - He, B. C.

AU - Luo, Y. A.

AU - Li, L.

AU - Pan, F.

AU - Draayer, J. P.

PY - 2022/1

Y1 - 2022/1

N2 - Nuclear matrix elements (NMEs) of neutrinoless double-β decay (0νββ) from 01+ to 01+ of Te130→Xe130, Xe134→Ba134, and Xe136→Ba136 are calculated in the nucleon pair shell-model framework. It is found that the NMEs of 0νββ calculated in the surface-δ approximation (SDI) and the BCS approximation with the model space truncated into the SD-pair subspace are close to each other and smaller than those predicted by the other models. The inclusion of the G pair does not alter the results significantly. When the single-particle energies are assumed to be degenerate, the calculated results in the SD-pair shell model become close to those of the other models. It is also shown that the NMEs are sensitive to the model parameters.

AB - Nuclear matrix elements (NMEs) of neutrinoless double-β decay (0νββ) from 01+ to 01+ of Te130→Xe130, Xe134→Ba134, and Xe136→Ba136 are calculated in the nucleon pair shell-model framework. It is found that the NMEs of 0νββ calculated in the surface-δ approximation (SDI) and the BCS approximation with the model space truncated into the SD-pair subspace are close to each other and smaller than those predicted by the other models. The inclusion of the G pair does not alter the results significantly. When the single-particle energies are assumed to be degenerate, the calculated results in the SD-pair shell model become close to those of the other models. It is also shown that the NMEs are sensitive to the model parameters.

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DO - 10.1103/PhysRevC.105.014304

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JO - Physical Review C

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Neutrinoless double-

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