Nuclear physics of non-standard 0νβ β-decay
Kotila, J., Graf, L., Deppisch, F.F., & Iachello, F. (2019). Nuclear physics of non-standard 0νβ β-decay. In O. Civitarese, I. Stekl, & J. Suhonen (Eds.), MEDEX'19 : Workshop on Calculation of Double-Beta-Decay Matrix Elements (Article 020017). American Institute of Physics. AIP Conference Proceedings, 2165. https://doi.org/10.1063/1.5130978
Published inAIP Conference Proceedings
Graf, L. |
© 2019 Authors
The observation neutrinoless double beta (0νβ β) decay remains crucial for understanding lepton number violation. In view of the difficulties to observe the mass mechanism of 0νβ β-decay, investigations of other mechanisms are in order. These non-standard mechanisms can be divided into short-range and long-range mechanisms. Recently, we have started systematic study for all possible short-range and long-range non-standard mechanisms. The aim of this study is twofold: I) to provide explicit formulas for the nuclear matrix elements (NMEs) and phase-space factors (PSFs) from which the decay rate for one or a combination of mechanisms operating at the same time can be calculated; II) to provide numerical values of the NMEs and PSFs obtained by making use of the microscopic interacting boson model (IBM-2) for the NMEs and of exact Dirac wave functions for the PSFs.
PublisherAmerican Institute of Physics
Parent publication ISBN978-0-7354-1910-0
ConferenceWorkshop on Calculation of Double-Beta-Decay Matrix Elements
Is part of publicationMEDEX'19 : Workshop on Calculation of Double-Beta-Decay Matrix Elements
ISSN Search the Publication Forum0094-243X
Publication in research information system
MetadataShow full item record
Related funder(s)Academy of Finland
Funding program(s)Academy Research Fellow, AoF; Research costs of Academy Research Fellow, AoF
Additional information about fundingThis work was supported in part by the U.S. DOE (Grant No. DEFG- 02-91ER-40608) and the UK Royal Society International Exchange program. The work of JK was supported by the Academy of Finland (Grant No. 314733). The work of LG and FFD was supported by a UK Science & Technology Facilities Council Consolidated Grant.
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