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  Neutrinoless double-beta decay from an effective field theory for heavy nuclei

Brase, C., Menéndez, J., Pérez, E. A. C., & Schwenk, A. (2022). Neutrinoless double-beta decay from an effective field theory for heavy nuclei. Physical Review C, 106(3): 034309. doi:10.1103/PhysRevC.106.034309.

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2108.11805.pdf (Preprint), 908KB
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 Creators:
Brase, Catharina, Author
Menéndez, Javier, Author
Pérez, Eduardo Antonio Coello, Author
Schwenk, Achim1, Author           
Affiliations:
1Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              

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Free keywords: Nuclear Theory, nucl-th,Nuclear Experiment, nucl-ex
 MPINP: Starke Wechselwirkung und exotische Kerne – Abteilung Blaum
 Abstract: We study neutrinoless double-beta decay in an effective field theory (EFT)
for heavy nuclei, which are treated as a spherical core coupled to additional
neutrons and/or protons. Since the low-energy constants of the EFT cannot be
fitted to data for this unobserved decay, we follow an alternative strategy to
constrain these through a correlation with double Gamow-Teller transitions.
This correlation was recently found to hold for shell-model calculations,
energy-density functionals, and other nuclear structure models. We therefore
first calculate the nuclear matrix elements for double Gamow-Teller transitions
in the EFT for heavy nuclei. The combination of the EFT uncertainty with the
correlation uncertainty enables predictions of nuclear matrix elements for
neutrinoless double-beta decay for a broad range of isotopes with quantified
uncertainties. Generally the EFT predicts smaller nuclear matrix elements
compared to other approaches, but our EFT results are consistent with recent ab
initio calculations.

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 Dates: 2021-08-262022-09-23
 Publication Status: Published online
 Pages: 13 pages, 5 figures, 4 tables, minor changes, published version
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 2108.11805
DOI: 10.1103/PhysRevC.106.034309
 Degree: -

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Title: Physical Review C
  Other : Phys. Rev. C
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: New York, NY : American Physical Society
Pages: - Volume / Issue: 106 (3) Sequence Number: 034309 Start / End Page: - Identifier: ISSN: 0556-2813
CoNE: https://pure.mpg.de/cone/journals/resource/954925225009