Correlations between neutrinoless double-β, double Gamow-Teller, and double-magnetic decays in the proton-neutron quasiparticle random-phase approximation framework

被引：9

作者：

Jokiniemi, Lotta ^{[1
]}

Menendez, Javier ^{[2
,3
]}

机构：

[1] TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3, Canada

[2] Univ Barcelona, Dept Fis Quant & Astrofis, Barcelona 08028, Spain

[3] Univ Barcelona, Inst Ciencies Cosmos, Barcelona 08028, Spain

来源：

PHYSICAL REVIEW C | 2023年 / 107卷 / 04期

关键词：

NUCLEAR-MATRIX ELEMENTS;

D O I：

10.1103/PhysRevC.107.044316

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We explore the relation between the nuclear matrix elements of neutrinoless double-beta (0v beta beta) decay and two other processes: double Gamow-Teller (DGT) and double-magnetic-dipole (M1M1) transitions, with focus on medium-mass to heavy nuclei studied with the proton-neutron quasiparticle random-phase approximation (pnQRPA) framework. We explore a wide span of isoscalar proton-neutron pairing strengths covering the typical range of values that describe well beta- and two-neutrino beta beta-decay data. Our results indicate good linear correlations between 0v beta beta and both DGT and M1M1 matrix elements. Together with future measurements of DGT and M 1M 1 transitions, these correlations could help constrain the values of the 0v beta beta-decay nuclear matrix elements.

引用

页数：13

共 41 条

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