New Faces of Supersymmetry: effects of large phases on Higgs production
A. Dedes (RAL), S. Moretti (RAL, Uppsala U.)
TL;DR
This paper explores how large CP-violating phases in supersymmetry can significantly alter Higgs production rates at the LHC, especially through modifications in gluon-gluon fusion processes.
Contribution
It investigates the impact of complex soft SUSY-breaking parameters on Higgs production, highlighting potential large corrections due to CP-violating phases.
Findings
Large phases can modify Higgs production cross sections.
Squark loop contributions are significantly affected.
Potential for observable deviations in collider experiments.
Abstract
If the soft Supersymmetry (SUSY) breaking masses and couplings are complex and cancelations do take place in the SUSY induced contributions to the fermionic Electric Dipole Moments (EDMs), then the CP-violating soft phases can drastically modify much of the known phenomenological pattern of the Minimal Supersymmetric Standard Model (MSSM). In particular, the squark loop content of the dominant Higgs production mechanism at the Large Hadron Collider (LHC), the gluon-gluon fusion mode, could be responsible of large corrections to the known cross sections.
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