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Double Higgs production at TeV Colliders in the Minimal Supersymmetric Standard Model

Abstract : The reconstruction of the Higgs potential in the Minimal Supersymmetric Standard Model (MSSM) requires the measurement of the trilinear Higgs self-couplings. The `double Higgs production' subgroup has been investigating the possibility of detecting signatures of processes carrying a dependence on these vertices at the Large Hadron Collider (LHC) and future Linear Colliders (LCs). As reference reactions, we have chosen $gg\to hh$ and $e^+e^-\to h h Z$, respectively, where $h$ is the lightest of the MSSM Higgs bosons. In both cases, the $Hhh$ interaction is involved. For $m_H>2m_h$, the two reactions are resonant in the $H\to hh$ mode, providing cross sections which are detectable at both accelerators and strongly sensitive to the strength of the trilinear coupling involved. We explore this mass regime of the MSSM in the $h\to b\bar b$ decay channel, also accounting for irreducible background effects.
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http://hal.in2p3.fr/in2p3-00150204
Contributor : Claudine Bombar <>
Submitted on : Tuesday, May 29, 2007 - 5:28:57 PM
Last modification on : Wednesday, July 22, 2020 - 9:54:13 AM

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R. Lafaye, D.J. Miller, M. Muhlleitner, S. Moretti. Double Higgs production at TeV Colliders in the Minimal Supersymmetric Standard Model. Workshop on Physics at TeV Colliders, Jun 1999, Les Houches, France. ⟨in2p3-00150204⟩

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