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Astroparticle physics

Astroparticle physics

Kink in cosmic ray spectrum puzzles astrophysicists

15 Feb 2024
GRAPE-3
Kinky particles: the GRAPES-3 experiment in Ooty, India depicted with a simulated cosmic ray shower. The inset shows the cosmic ray proton spectrum measurement by GRAPES-3 along with observations by other space and ground-based experiments. (Courtesy: TIFR)
Using observations from the GRAPES-3 muon detector, physicists in India and Japan have explored a po

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Sam Jarman is a science writer based in the UK
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