Testing Fundamental Physics with High-Energy Cosmic Rays
classification
🌌 astro-ph
keywords
rayscosmicfundamentalphysicsastrophysicalavoidcut-offdecays
read the original abstract
Cosmic rays may provide opportunities for probing fundamental physics. For example, ultra-high-energy cosmic rays might originate from the decays of metastable heavy particles, and astrophysical gamma rays can be used to test models of quantum gravity. Both scenarios offer ways to avoid the GZK cut-off.
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