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Probing Feebly Interacting Particles with 511 keV Line from Circumstellar Medium of Supernovae

Cheng, Yu et al.
arXiv (All) · Papers
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high-energy-astrophysical-phenomenahigh-energy-physics-phenomenology
Core-collapse supernovae (CCSNe) are intense sources of feebly interacting particles (FIPs), whose visible decays beyond the stellar envelope can generate distinct electromagnetic signals. We propose the circumstellar medium (CSM) surrounding the CCSNe progenitor as a new target for 511 keV line sea
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