The Femto-experiment for the LHC: The W-boson beams and their targets* M. W. Krasny, S. Jadach and W. Płaczek Eur. Phys. J. C, 44 3 (2005) 333-350 Published online: 15 November 2005 DOI: 10.1140/epjc/s2005-02398-2