Speaker
Description
Reliable nuclear matrix elements for the neutrinoless double-beta decay of Germanium, Molibdenum, Tellurium and Xenon are necessary to determine the physics reach of next generation experiments and to fully exploit their findings. In this talk I will present recent improvements in calculations with the nuclear shell model, one of the leading many-body methods to obtain these nuclear matrix elements. I will make emphasis on the inclusion of short-range correlations based on a comparison with ab initio calculations, and I will introduce the impact of the short-range contribution to the nuclear matrix element, which was only acknowledged recently. I will also discuss the correlation between double-beta decay matrix elements and other nuclear observables which may be easier to measure experimentally.
