Illustration of air showers from high-energy cosmic rays. Credit: Pieter Kuiper
An international team of physicists has developed a pioneering approach to using Ultrahigh Energy Cosmic Rays (UHECRs) – the highest energy particles in nature since the Big Bang – to study particle interactions far beyond the reach of human-made accelerators. The work makes use of UHECR measurements by the Pierre Auger Observatory (PAO) in Argentina, which has been recording UHECR data for about a decade.
The study may also point to the emergence of some new, not-yet-understood physical phenomenon at an order-of-magnitude higher energy than can be accessed with the Large Hadron Collider (LHC), where the Higgs particle was discovered...
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