6533b871fe1ef96bd12d2440

RESEARCH PRODUCT

Nuclear matrix elements for Majoron emitting double-$\beta$ decay

J. KotilaJ. KotilaFrancesco Iachello

subject

Coupling constantPhysicsParticle physicsNuclear Theory010308 nuclear & particles physicsDouble beta decay0103 physical sciences010306 general physicsNuclear matrix01 natural sciencesNuclear theoryMajoron

description

A complete calculation of the nuclear matrix elements (NMEs) for Majoron emitting neutrinoless double beta decay within the framework of IBM-2 for spectral indices $n=1,3,7$ is presented. By combining the results of this calculation with previously calculated phase-space factors (PSFs) we give predictions for expected half-lives. By comparing with experimental limits on the half-lives we set limits on the coupling constants $\ensuremath{\langle}{g}_{ee}^{M}\ensuremath{\rangle}$ of all proposed Majoron-emitting models.

10.1103/physrevc.103.044302http://arxiv.org/abs/2104.02327