Baryogenesis, dark matter and inflation in the Next-to-Minimal Supersymmetric Standard Model

Abstract

Explaining baryon asymmetry, dark matter and inflation are important elements of a successful theory that extends beyond the Standard Model of particle physics. In this paper we explore these issues within the Next-to-Minimal Supersymmetric Standard Model (NMSSM), by studying the conditions for a strongly first order electroweak phase transition, the abundance of the lightest supersymmetric particle (LSP), and inflation driven by a gauge invariant flat direction of MSSM made up of right handed squarks. We present the regions of parameter space which can yield successful predictions for cosmic microwave background (CMB) radiation, the observed relic density for the neutralino LSP, and successful baryogenesis constrained by collider measurements, such as the recent Higgs mass bound, branching ratios of rare, flavour violating decays, and the invisible Z decay width. We also explore where dark matter interactions with xenon nuclei would fall within current bounds of XENON100 and the projected limits for the XENON1T and LUX experiments.

23 pages, 5 figures. Fixed typos in equation 3.2

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• Gravitational waves at aLIGO and vacuum stability with a scalar singlet extension of the Standard Model
• Gravitational Waves, baryon asymmetry of the universe and electric dipole moment in the CP-violating NMSSM
• Strong first-order phase transitions in the NMSSM --- a comprehensive survey
• PhaseTracer: tracing cosmological phases and calculating transition properties
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• Semi-analytic techniques for calculating bubble wall profiles
• Electroweak Phase Transition in the $Z_3$-invariant NMSSM: Implications of LHC and Dark matter searches and prospects of detecting the gravitational waves
• Strong first order electroweak phase transition in 2HDM confronting future Z & Higgs factories
• The interpretation for Galactic Center Excess and Electroweak Phase Transition in the NMSSM
• Nucleation is More than Critical -- A Case Study of the Electroweak Phase Transition in the NMSSM
• Electroweak baryogenesis in the Z3-invariant NMSSM
• Exotic Gravitational Wave Signatures from Simultaneous Phase Transitions
• Electroweak Phase Transition in a Right-Handed Neutrino Superfield Extended NMSSM
• Prospects for Detecting light bosons at the FCC-ee and CEPC
• Possible resolution of the domain wall problem in the NMSSM
• Parameterizing the SFC Baryogenesis Model