Low energy neutron production by inverse β decay in metallic hydride surfaces S. Ciuchi, L. Maiani, A.D. Polosa, V. Riquer, G. Ruocco and M. Vignati Eur. Phys. J. C, 72 10 (2012) 2193 Published online: 26 October 2012 DOI: 10.1140/epjc/s10052-012-2193-9