Photodetachment of metal cluster negative ions within many-body theory R.G. Polozkov, V.K. Ivanov, A.V. Korol and A.V. Solov’yov Eur. Phys. J. D, 66 11 (2012) 287 Published online: 27 November 2012 DOI: 10.1140/epjd/e2012-30182-5