Freeze-in of anapole and charge-radius inelastic dark matter: X-ray probes of a decoupled vector portal

arXiv:2609.34230 · hep-ph, astro-ph.CO · Submitted 2026-09-28 · Read on arXiv

hep-ph, astro-ph.CO

Submitted: 2026-09-28

Updated: 2026-09-28

Terminology

• Benchmark — 20× in this paper · explained in 2 episodes
• Reheating — 17× in this paper · explained in 2 episodes
• Abundance — 6× in this paper · explained in 1 episode
• Momentum transfer — 3× in this paper · explained in 2 episodes
• Standard Model — 3× in this paper
• Alignment — 1× in this paper · explained in 1 episode
• Boltzmann Equation — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Decoupling — 1× in this paper · explained in 2 episodes
• Effective Field Theory (EFT) — 1× in this paper · explained in 2 episodes
• Symmetry Breaking — 1× in this paper · explained in 3 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• Non-Baryonic Dark Matter - Observational Evidence and Detection Methods
• Particle Dark Matter: Evidence, Candidates and Constraints
• Planck 2018 results. VI. Cosmological parameters
• The Waning of the WIMP? A Review of Models, Searches, and Constraints
• WIMP dark matter candidates and searches - current status and future prospects
• Direct Detection of Dark Matter -- APPEC Committee Report
• The Waning of the WIMP: Endgame?
• Freeze-in at stronger coupling
• Minimal Dark Matter Freeze-in with Low Reheating Temperatures and Implications for Direct Detection
• Thermal Dark Matter with Low-Temperature Reheating
• Dark Sectors 2016 Workshop: Community Report
• Light dark Higgs boson in minimal sub-GeV dark matter scenarios
• The Dark Photon
• Dark Higgs Bosons at Colliders
• X-rays from Inelastic Dark Matter Freeze-in
• Diffuse emission measurement with INTEGRAL/SPI as indirect probe of cosmic-ray electrons and positrons
• Integral X-ray constraints on sub-GeV Dark Matter
• Consequences of Dirac Theory of the Positron
• Package-X: A Mathematica package for the analytic calculation of one-loop integrals
• Dark Photon Decay Beyond The Euler-Heisenberg Limit

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