First observation of isolated nuclear recoils following neutron capture for dark matter calibration

A. N. Villano, M. Fritts, N. Mast +4

Low-energy nuclear recoils (NRs) are hard to measure because they produce few e${}^{-}$/h${}^{+}$ pairs in solids -- i.e. they have low "ionization yield". A silicon detector was exposed…