Can an invisible Higgs boson be seen via diffraction at the LHC? K. Belotsky, V. A. Khoze, A. D. Martin and M. G. Ryskin Eur. Phys. J. C, 36 4 (2004) 503-507 Published online: 23 July 2004 DOI: 10.1140/epjc/s2004-01967-1