Sub-MeV gamma-ray lines from an endothermic interpretation of the LZ recoil candidate

arXiv:2609.33952 · hep-ph, astro-ph.HE · Submitted 2026-09-27 · Read on arXiv

hep-ph, astro-ph.HE

Submitted: 2026-09-27

Updated: 2026-09-27

Terminology

• Abundance — 10× in this paper · explained in 1 episode
• Benchmark — 8× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Momentum transfer — 1× in this paper · explained in 2 episodes

Sources

• Inelastic Dark Matter
• A minimalistic model for inelastic dark matter
• The Compton Spectrometer and Imager
• Self-Scattering for Dark Matter with an Excited State
• An X-Ray Line from eXciting Dark Matter
• Displaced Vertices from X-ray Lines
• Supersymmetric Higgs-portal and X-ray lines
• Common Origin of 3.55 keV X-Ray Line and Galactic Center Gamma Ray Excess in a Radiative Neutrino Mass Model
• Cosmology and Signals of Light Pseudo-Dirac Dark Matter
• Reviving MeV-GeV Indirect Detection with Inelastic Dark Matter
• Planck 2018 results. VI. Cosmological parameters

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