Multi-peak structure of the ion current in laser produced plasma P. Nica, M. Agop, S. Miyamoto, S. Amano, A. Nagano, T. Inoue, E. Poll and T. Mochizuki Eur. Phys. J. D, 60 2 (2010) 317-323 Published online: 30 August 2010 DOI: 10.1140/epjd/e2010-00217-2