Constraining dark matter using 20-year INTEGRAL/IBIS observations II: Sub-GeV dark matter

arXiv:2609.35968 · hep-ph, astro-ph.CO, astro-ph.HE · Submitted 2026-09-28 · Read on arXiv

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

Submitted: 2026-09-28

Updated: 2026-09-28

Terminology

• Benchmark — 18× in this paper · explained in 2 episodes
• Robustness — 5× in this paper · explained in 5 episodes
• Consistency — 3× in this paper · explained in 3 episodes
• Degeneracy — 3× in this paper · explained in 3 episodes
• Standard Model — 2× in this paper
• Symmetry Breaking — 2× in this paper · explained in 3 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Bayesian Inference — 1× in this paper · explained in 5 episodes
• Imager on Board the INTEGRAL Satellite — 1× in this paper
• Momentum transfer — 1× in this paper · explained in 2 episodes
• Self-consistency — 1× in this paper · explained in 2 episodes

Sources

• Integral X-ray constraints on sub-GeV Dark Matter
• Putting all the X in one basket: Updated X-ray constraints on sub-GeV Dark Matter
• Importance of cosmic ray propagation on sub-GeV dark matter constraints
• Dark Matter in X-rays: Revised XMM-Newton Limits and New Constraints from eROSITA
• NuSTAR measurement of the cosmic X-ray background in the 3-20 keV energy band
• The properties of the Galactic Hard X-Ray and soft gamma-ray Background based on 20 years of INTEGRAL/IBIS observations
• Cosmic-ray propagation with DRAGON2: I. numerical solver and astrophysical ingredients
• Cosmic-ray propagation with DRAGON2: II. Nuclear interactions with the interstellar gas
• Simulating the Galactic Multi-messenger Emissions with HERMES
• FLUKA cross sections for cosmic-ray interactions with the DRAGON2 code
• The FLUKA cross sections for cosmic-ray leptons and uncertainties on current positron predictions
• Local H~{\sc i} emissivity measured with the {\it Fermi}-LAT and implications for cosmic-ray spectra
• Absorption of Very High Energy Gamma Rays in the Milky Way
• 511 keV Galactic Photons from a Dark Matter Spike
• $\gamma$ rays from in-flight positron annihilation as a probe of new physics
• Constraining dark matter using 20-year INTEGRAL/IBIS observations I: Primordial black holes
• INTEGRAL hard X-ray spectra of the cosmic X-ray background and Galactic ridge emission
• Broad-band spectral analysis of the Galactic Ridge X-ray Emission
• emcee: The MCMC Hammer
• Indirect Dark Matter Signatures in the Cosmic Dark Ages I. Generalizing the Bound on s-wave Dark Matter Annihilation from Planck

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