Electroweak and dark matter constraints on a Z′ in models with a hidden valley

2009/03/05 by S. Cassel, D. M. Ghilencea, G.G. Ross +1 · 7 citations
Physics and Astronomy · #Annihilation #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #Dark matter #Electroweak interaction #Gauge (firearms) #Gauge boson #Gauge theory #Hidden sector #Mixing (physics) #Parameter space #Particle physics #Particle physics theoretical and experimental studies #Physics #Physics beyond the Standard Model #Quantum mechanics #Standard Model (mathematical formulation) #Statistics #hep-ph

paper · pdf · doi:10.1016/j.nuclphysb.2009.10.029

published as Nucl.Phys.B827:256-280,2010 · 35 pages, 14 figures

arxiv created 2009/03/05 · openalex publication_date 2009/11/04 · arxiv updated 2010/04/28 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

We consider current precision electroweak data, Z' searches and dark matter constraints and analyse their implications for an extension of the SM that includes an extra U(1)' massive gauge boson and a particular hidden sector ("hidden valley") with a confining (QCD-like) gauge group. The constraints on the Z' with arbitrary Z-Z' kinetic mixing coming from direct searches and precision tests of the Standard Model are analysed and shown to lead to a lower limit of 800 GeV on its mass. Renormalisable interactions involving the Z' probe the physics of the hidden valley sector which contains a pseudoscalar dark matter candidate. We find that dark matter constraints place an upper bound on the mass of the Z' of O(10) TeV. A TeV mass scale is needed for the hidden valley states, and the Sommerfeld factor for p-wave dark matter annihilation is found significantly to suppress the allowed parameter space of the model.

Citations

• Possible Effects of a Hidden Valley on Supersymmetric Phenomenology
• Gluino condensation in superstring models
• On the Phenomenology of Hidden Valleys with Heavy Flavor
• Constraints on the very early universe from thermal WIMP dark matter
• Echoes of a hidden valley at hadron colliders
• The Stueckelberg Z prime at the LHC: discovery potential, signature spaces and model discrimination
• The Stueckelberg Z' Extension with Kinetic Mixing and Milli-Charged Dark Matter From the Hidden Sector
• Chiral perturbation theory
• Sommerfeld enhancement for a Yukawa potential
• FIVE-YEAR WILKINSON MICROWAVE ANISOTROPY PROBE OBSERVATIONS: DATA PROCESSING, SKY MAPS, AND BASIC RESULTS
• Review of Particle Physics
• Review of Particle Physics

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• Search for Dark Photons Produced in 13 TeV pp Collisions
• On the importance of direct detection combined limits for spin independent and spin dependent dark matter interactions
• Serendipity in dark photon searches