The spatial distribution of argon clusters in gas jet J. F. Han, C. W. Yang, J. W. Miao, J. F. Lu, M. Liu, X. B. Luo and M. G. Shi Eur. Phys. J. D, 56 3 (2010) 347-352 Published online: 22 December 2009 DOI: 10.1140/epjd/e2009-00317-0