XENON1T solar axion and the Higgs boson emerging from the dark

Abstract

In a recent letter we proposed a new non-thermal mechanism of Dark Matter production based on vacuum misalignment, where both the Higgs boson and a very light pseudo-scalar $\eta$ emerge from the Dark sector. In this letter, we identify the parameter space in a composite scenario where the light pseudo-scalar can be produced in the sun and explain the XENON1T excess in electron recoil data. The model's Dark Matter candidate has a mass around $50$ TeV and out of range for Direct Detection. Testable predictions include Gravitational waves at frequencies in the Hz range from a cosmological phase transition, an exotic decay $Z \to γ+ \mbox{inv.}$ with rates $4÷16\cdot 10^{-12}$ testable at a future Tera-Z collider, and an enhancement by $17÷40$ % of the branching ratio $K_L \to π^0 + \mbox{inv.}$, not enough to explain the KOTO anomaly. All these predictions may be confirmed by future experiments.

arXiv comment6 pages, 2 figures

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Cited by in corpus (19)

• Boosted dark matter from diffuse supernova neutrinos
• Global fits of axion-like particles to XENON1T and astrophysical data
• An Active-to-Sterile Neutrino Transition Dipole Moment and the XENON1T Excess
• Loop-Generated Neutrino Masses in Composite Higgs Models
• Are there ALPs in the asymptotically safe landscape?
• Exploring new possibilities to discover a light pseudo-scalar at LHCb
• Constraints on electron-scattering interpretation of XENON1T excess
• Xenon-1T excess as a possible signal of a sub-GeV hidden sector dark matter
• EFT Interpretation of XENON1T Electron Recoil Excess: Neutrinos and Dark Matter
• Technically natural Higgs boson from Planck scale
• Gravitational waves from $\mathrm{SU}($$N$$)/Sp($$N$$)$ composite Higgs models
• Tera-Zooming in on light (composite) axion-like particles
• Terrestrial Probes of Electromagnetically Interacting Dark Radiation
• Decaying fermionic warm dark matter and XENON1T electronic recoil excess
• A comprehensive calculation of the Primakoff process and the solar axion flux
• Explaining The XENON1T Excess With Light Goldstini Dark Matter
• Dark Fluxes from Accreting Black Holes and Direct Detections
• Electroweak precision tests of composite Higgs models
• Composite self-interacting dark matter and Higgs