Observing a Light CP-Violating Higgs Boson in Diffraction

Abstract

Light CP-violating Higgs bosons with mass lower than 70 GeV might have escaped detection in direct searches at the LEP collider. They may remain undetected in conventional search channels at the Tevatron and LHC. In this Letter we show that exclusive diffractive reactions may be able to probe for the existence of these otherwise elusive Higgs particles. As a prototype example, we calculate diffractive production cross-sections of the lightest Higgs boson within the framework of the Minimal Supersymmetric Standard Model with explicit CP violation. Our analysis shows that the challenging regions of parameter space corresponding to a light CP-violating Higgs boson might be accessible at the LHC provided suitable proton tagging detectors are installed.

9 pages, LaTeX, 2 figures, version as to appear in Phys. Rev. D

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• Higgs Boson Theory and Phenomenology
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• Ways to detect a light Higgs boson at the LHC
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Cited by in corpus (21)

• Physics Interplay of the LHC and the ILC
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• Extending the study of the Higgs sector at the LHC by proton tagging
• Obstructed D-Branes in Landau-Ginzburg Orbifolds
• LHC Signatures of Resonant CP Violation in a Minimal Supersymmetric Higgs Sector
• Reinstating the 'no-lose' theorem for NMSSM Higgs discovery at the LHC
• Higgs boson couplings to quarks with supersymmetric CP and flavor violations
• Hunting a light CP-violating Higgs via diffraction at the LHC
• Detecting Higgs bosons in the bb decay channel using forward proton tagging at the LHC
• CP Violation in Supersymmetric U(1)' Models
• Diffraction as a CP and Lineshape Analyzer for MSSM Higgs Bosons at the LHC
• Searching for a very light Higgs boson at the Tevatron
• Resonant CP Violation in MSSM Higgs Production and Decay at $\gamma \gamma$ Colliders
• Threshold corrections to m_b and the b\bar{b} -> H^0_i production in CP-violating SUSY scenarios
• A review of forward proton tagging at 420m at the LHC, and relevant results from the Tevatron and HERA
• Diffractive SUSY particle production at the LHC
• Higgs Phenomenology with CPsuperH
• High Energy Photoproduction
• CP Studies of the Higgs Sector
• Impact of CP phases on a light sbottom and gluino sector