Study of Sensitivity Improvement for MARE-1 in Genoa

We present a revisited Ho-163 electron capture decay method as a possible candidate for the neutrino mass determination, proposed in MANU-Genoa in 1997. The present detector performances open new opportunities for self-calibrated, high statistics and eV energy resolution experiments within the context of MARE-1, Genoa. The study, even if at an early stage, indicates that we can take advantage of using detectors with current performances that have been developed for astrophysics applications.