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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/215801

Correlations Between Neutrinoless Double-Beta, Double Gamow-Teller and Double-Magnetic Decays in the pnQRPA Framework

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We explore the relation between the nuclear matrix elements of neutrinoless double-beta (0⁢ ⁢ ⁢ ) decay and two other processes: double Gamow-Teller (DGT) and double-magnetic-dipole ( ⁢1⁢ ⁢1) transitions, with focus on medium-mass to heavy nuclei studied with the proton-neutron quasiparticle random-phase approximation ( ⁢ QRPA) framework. We explore a wide span of isoscalar proton-neutron pairing strengths covering the typical range of values that describe well - and two-neutrino ⁢ -decay data. Our results indicate good linear correlations between 0⁢ ⁢ ⁢ and both DGT and ⁢1⁢ ⁢1 matrix elements. Together with future measurements of DGT and ⁢1⁢ ⁢1 transitions, these correlations could help constrain the values of the 0⁢ ⁢ ⁢ -decay nuclear matrix elements.

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JOKINIEMI, Lotta, MENÉNDEZ SÁNCHEZ, Javier. Correlations Between Neutrinoless Double-Beta, Double Gamow-Teller and Double-Magnetic Decays in the pnQRPA Framework. _Physical Review C_. 2023. Vol. 107, núm. 1-13. [consulta: 13 de gener de 2026]. ISSN: 2469-9985. [Disponible a: https://hdl.handle.net/2445/215801]

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