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Studying the MSSM Higgs sector by forward proton tagging at the LHC

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Abstract

We show that the use of forward proton detectors at the LHC installed at 220 m and 420 m distance around ATLAS and/or CMS can provide important information on the Higgs sector of the MSSM. We analyse central exclusive production of the neutral \(\mathcal{CP}\)-even Higgs bosons h and H and their decays into bottom quarks, τ leptons and W bosons in various MSSM benchmark scenarios. Using plausible estimates for the achievable experimental efficiencies and the relevant background processes, we find that the prospective sensitivity of the diffractive Higgs production will allow one to probe interesting regions of the MA–tanβ parameter plane of the MSSM. Central exclusive production of the \(\mathcal{CP}\)-even Higgs bosons of the MSSM may provide a unique opportunity to access the bottom Yukawa couplings of the Higgs bosons up to masses of MH≲ 250 GeV. We also discuss the prospects for identifying the \(\mathcal{CP}\)-odd Higgs boson, A, in diffractive processes at the LHC.

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Authors and Affiliations

  1. Instituto de Fisica de Cantabria (CSIC-UC), Santander, Spain

    S. Heinemeyer

  2. IPPP, Department of Physics, Durham University, Durham, DH1 3LE, UK

    V.A. Khoze, M.G. Ryskin, W.J. Stirling & G. Weiglein

  3. Petersburg Nuclear Physics Institute, Gatchina, St. Petersburg, 188300, Russia

    V.A. Khoze & M.G. Ryskin

  4. Department of Mathematical Sciences, Durham University, DH1 3LE, Durham, UK

    W.J. Stirling

  5. Institute of Physics, 18221, Prague 8, Czech Republic

    M. Tasevsky

  6. Physics Department, University of Antwerpen, 2610, Antwerpen, Belgium

    M. Tasevsky

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  1. S. Heinemeyer
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  2. V.A. Khoze
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Heinemeyer, S., Khoze, V., Ryskin, M. et al. Studying the MSSM Higgs sector by forward proton tagging at the LHC. Eur. Phys. J. C 53, 231–256 (2008). https://doi.org/10.1140/epjc/s10052-007-0449-6

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