BSM Higgs physics in the exclusive forward proton mode at the LHC S. Heinemeyer, V.A. Khoze, M.G. Ryskin, M. Tasevsky and G. Weiglein Eur. Phys. J. C, 71 5 (2011) 1649 Published online: 28 May 2011 DOI: 10.1140/epjc/s10052-011-1649-7