3He-free neutron detectors and their applications F. Sacchetti, N. Colonna, R. Faccini, B. Guerard, R. Hall-Wilton, F. Murtas, C. Petrillo, A. Pietropaolo, N. Rhodes, L. Quintieri et al. (2 more) Eur. Phys. J. Plus, 130 3 (2015) 53 Published online: 26 March 2015 DOI: 10.1140/epjp/i2015-15053-1