Axions produced in supernovae generate a diffuse gamma-ray signal through conversion in magnetic fields, yielding competitive constraints on the axion-photon coupling from COMPTEL, EGRET, and Fermi-LAT data plus forecasts for future MeV telescopes.
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ALP-assisted first-order phase transitions can explain observed intergalactic magnetic fields and produce detectable gravitational waves, linking cosmology with particle physics searches.
Plasma instabilities on ~100 kpc scales cool pairs in GeV cascades from 1ES 0229+200, yielding an IGMF strength of order 10^{-17} G when fitted to Fermi-LAT observations.
citing papers explorer
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Lights, Camera, Axion: Tracing Axions from Supernovae in the Diffuse $\gamma$-ray Sky
Axions produced in supernovae generate a diffuse gamma-ray signal through conversion in magnetic fields, yielding competitive constraints on the axion-photon coupling from COMPTEL, EGRET, and Fermi-LAT data plus forecasts for future MeV telescopes.
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Primordial Magnetogenesis and Gravitational Waves from ALP-assisted Phase Transition
ALP-assisted first-order phase transitions can explain observed intergalactic magnetic fields and produce detectable gravitational waves, linking cosmology with particle physics searches.
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A parametric study of plasma instability cooling and its impact on intergalactic magnetic field constraints in GeV cascades
Plasma instabilities on ~100 kpc scales cool pairs in GeV cascades from 1ES 0229+200, yielding an IGMF strength of order 10^{-17} G when fitted to Fermi-LAT observations.