Experiment LUNA conducted deep beneath the Gran Sasso mountain have provided the most precise measurements yet of a fundamental nuclear reaction that occurred seconds after the Big Bang.
In article on Nature, Mossa et al., report meaurements that permit us to better understand the BBN and to precisely measure tha amount of ordinary matter in cosmos and potentially deepening the knowledge ofthe Early Universe.
LUNA is an international collaboration where Bari group covered a fundamental role in this actvities.