Explosive evaporation of Rb or K fractal clusters by low power CW radiation in the presence of excited atoms S.N. Atutov, A.I. Plekhanov, A.M. Shalagin, R. Calabrese, L. Tomassetti and V. Guidi Eur. Phys. J. D, 66 5 (2012) 140 Published online: 23 May 2012 DOI: 10.1140/epjd/e2012-30019-3