Recoil separator ERNA: ion beam specifications D. Rogalla, M. Aliotta, C.A. Barnes, L. Campajola, A. D'Onofrio, E. Fritz, L. Gialanella, U. Greife, G. Imbriani, A. Ordine et al. (11 more) Eur. Phys. J. A, 6 4 (1999) 471-477 Published online: 15 December 1999 DOI: 10.1007/s100500050371