WIMPs with Enhanced Annihilation from a Feebly Interacting Unstable Partner

arXiv:2609.17672 · hep-ph, astro-ph.CO, astro-ph.HE, hep-ex · Submitted 2026-09-15 · Read on arXiv

hep-ph, astro-ph.CO, astro-ph.HE, hep-ex

Submitted: 2026-09-15

Updated: 2026-09-15

Comments: 20 pages, 5 figures

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Abundance — 95× in this paper · explained in 1 episode
• Boltzmann Equation — 12× in this paper · explained in 2 episodes
• Standard Model — 6× in this paper
• Benchmark — 4× in this paper · explained in 2 episodes
• Alignment — 3× in this paper · explained in 1 episode
• Consistency — 2× in this paper · explained in 3 episodes
• Minimal Supersymmetric Standard Model — 2× in this paper
• Reheating — 2× in this paper · explained in 2 episodes
• Symmetry Breaking — 2× in this paper · explained in 3 episodes
• Big Bang Nucleosynthesis — 1× in this paper
• Decoupling — 1× in this paper · explained in 2 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Next-to-Minimal Supersymmetric Standard Model — 1× in this paper

Sources

• Precise Relic WIMP Abundance and its Impact on Searches for Dark Matter Annihilation
• Dark Matter Searches at Colliders
• Dark Matter Search Results from 4.2 Tonne-Years of Exposure of the LUX-ZEPLIN (LZ) Experiment
• WIMP Dark Matter Search using a 3.1 Tonne-Year Exposure of the XENONnT Experiment
• Searching for Dark Matter Annihilation in Recently Discovered Milky Way Satellites with Fermi-LAT
• Freeze-In Production of FIMP Dark Matter
• The Effects of Primordial Black Holes on Dark Matter Models
• Constraint on the Reheating Temperature from the Decay of the Polonyi Field
• Wino Cold Dark Matter from Anomaly-Mediated SUSY Breaking
• A Non-thermal WIMP Miracle
• Non-thermal WIMP baryogenesis
• Enhanced Dark Matter Abundance in First-Order Phase Transitions
• Origins of Hidden Sector Dark Matter I: Cosmology
• The Four Basic Ways of Creating Dark Matter Through a Portal
• Minimal Dark Matter Freeze-in with Low Reheating Temperatures and Implications for Direct Detection
• Revisiting Dark Matter Freeze-in and Freeze-out through Phase-Space Distribution
• Cosmological Histories in Neutrino Portal Dark Matter
• An Ultimate Target for Dark Matter Searches
• Planck 2015 results. XIII. Cosmological parameters
• GeV-Scale Thermal WIMPs: Not Even Slightly Dead

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• Probing Memory-Burdened Primordial Black Holes with High-Energy Neutrinos
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• Axions as Dark Matter, Dark Energy, and Dark Radiation