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0νββ and 2νββ nuclear matrix elements in the interacting boson model with isospin restoration

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Barea, J., Kotila, J.-M., & Iachello, F. (2015). 0νββ and 2νββ nuclear matrix elements in the interacting boson model with isospin restoration. Physical Review C, 91(3), Article 034304. https://doi.org/10.1103/PhysRevC.91.034304
Published in
Physical Review C
Authors
Barea, J. |
Kotila, Jenni-Mari |
Iachello, F.
Date
2015
Discipline
FysiikkaPhysics
Copyright
© 2015 American Physical Society. Published in this repository with the kind permission of the publisher.

 
We introduce a method for isospin restoration in the calculation of nuclear matrix elements (NMEs) for 0νββ and 2νββ decay within the framework of the microscopic interacting boson model (IBM-2). With this method, we calculate the NMEs for all processes of interest in 0νβ−β− and 2νβ−β− and in 0νβ+β+, 0νECβ+, R0νECEC, 2νβ+β+, 2νECβ+, and 2νECEC. With this method, the Fermi matrix elements for 2νββ vanish, and those for 0νββ are considerably reduced.
Publisher
American Physical Society
ISSN Search the Publication Forum
0556-2813
Keywords
double beta decay nuclear matrix elements
DOI
https://doi.org/10.1103/PhysRevC.91.034304
URI

http://urn.fi/URN:NBN:fi:jyu-201602011367

Publication in research information system

https://converis.jyu.fi/converis/portal/detail/Publication/24628324

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