First order electroweak phase transition triggered by the Higgs portal vector dark matter

Abstract

We investigate an extension of the Standard Model (SM) with a U(1)' gauge symmetry, which is spontaneously broken by a complex scalar singlet and where the new gauge boson is a stable dark matter candidate via a Z2 flavor symmetry. The possibility of generating a strongly first order electroweak phase transition (EWPT) needed for the electroweak baryogenesis mechanism in this model is studied using a gauge independent method. Our result shows a considerable parameter space where both successful dark matter phenomenologies and a strongly first order EWPT can be achieved.

16 pages, 4 figures

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Cited by in corpus (16)

• Cosmic phase transitions: their applications and experimental signatures
• Dark Matter from a Classically Scale-Invariant $SU(3{)}_X$
• Gravitational waves and Higgs boson couplings for exploring first order phase transition in the model with a singlet scalar field
• Cosmological Constraints on Decoupled Dark Photons and Dark Higgs
• Combining thermal resummation and gauge invariance for electroweak phase transition
• Gravitational waves from first order electroweak phase transition in models with the $U(1{)}_X^{}$ gauge symmetry
• From inflation to cosmological electroweak phase transition with a complex scalar singlet
• Testing scalar versus vector dark matter
• A two-component vector WIMP -- fermion FIMP dark matter model with an extended seesaw mechanism
• Geometric Dark Matter
• Torsion as a Dark Matter Candidate from the Higgs Portal
• Dark matter amnesia in out-of-equilibrium scenarios
• Resonant Multi-Scalar Production in the Generic Complex Singlet Model in the Multi-TeV Region
• Electroweak phase transition confronted with dark matter detection constraints
• Gravitational Wave From Axion-like Particle Inflation
• Scalar Lie point symmetries of the Standard Model with one or two real gauge singlets