Silver and palladium help unveil the nature of a second r-process C. J. Hansen, F. Primas, H. Hartman, K.-L. Kratz, S. Wanajo, B. Leibundgut, K. Farouqi, O. Hallmann, N. Christlieb and H. Nilsson A&A, 545 (2012) A31 Published online: 31 August 2012 DOI: 10.1051/0004-6361/201118643