Studying the MSSM Higgs sector by forward proton tagging at the LHC S. Heinemeyer, V.A. Khoze, M.G. Ryskin, W.J. Stirling, M. Tasevsky and G. Weiglein Eur. Phys. J. C, 53 2 (2008) 231-256 Published online: 10 November 2007 DOI: 10.1140/epjc/s10052-007-0449-6