Neutron yield of thick 12C and 13C targets with 20 and 30 MeV deuterons G. Lhersonneau, T. Malkiewicz, M. Fadil, D. Gorelov, P. Jones, P. Z. Ngcobo, J. Sorri and W. H. Trzaska Eur. Phys. J. A, 52 12 (2016) 364 Published online: 22 December 2016 DOI: 10.1140/epja/i2016-16364-x