Recent Quantum Monte Carlo calculations of nuclear beta-decays

Many progresses have been made in developing nuclear Hamiltonians within the framework of chiral effective field theory. In particular, the develop of chiral interactions that are fully local opened the way of implementing these Hamiltonians in Quantum Monte Carlo calculations. The advantage of using Quantum Monte Carlo methods is that they are not limited to use soft interactions, and calculations dedicated to explore the role of cutoffs can be done.

I will devote this talk to discuss the extension of the Auxiliary Field Diffusion Monte Carlo method to calculate nuclear transitions. I will show preliminary results on nuclear beta-decays and neutrinoless double-beta decays.