A high-efficiency gas target setup for underground experiments, and redetermination of the branching ratio of the 189.5 keV ${}^{22}\mathbf{Ne}(\mathbf{p},\gamma {)}^{23}\mathbf{Na}$ resonance

F. Ferraro, M. P. Takács, D. Piatti +42

The experimental study of nuclear reactions of astrophysical interest is greatly facilitated by a low-background, high-luminosity setup. The Laboratory for Underground Nuclear Astr…