Portal:Radiation astronomy/Resource/15

Muons

Main articles: Radiation astronomy/Muons and Muon astronomy

This is an image obtained from muon radiography of Japan's Asama volcano. Credit: H T M Tanaka.

"TeV muons from γ ray primaries ... are rare because they are only produced by higher energy γ rays whose flux is suppressed by the decreasing flux at the source and by absorption on interstellar light."

Muon decay produces three particles, an electron plus two neutrinos of different types.