Pierre Auger Observatory - Cosmic-Ray Showers Reveal Muon Mystery The Pierre Auger Observatory detects more muons from cosmic-ray showers than predicted by the most up-to-date particle-physics models. "The new results from Auger
![A schematic of the Pierre Auger Observatory where each black dot is a... | Download Scientific Diagram A schematic of the Pierre Auger Observatory where each black dot is a... | Download Scientific Diagram](https://www.researchgate.net/publication/319524774/figure/fig1/AS:561306186465280@1510837231055/A-schematic-of-the-Pierre-Auger-Observatory-where-each-black-dot-is-a-water-Cherenkov.png)
A schematic of the Pierre Auger Observatory where each black dot is a... | Download Scientific Diagram
Phys. Rev. Lett. 117, 192001 (2016) - Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory
![The energy spectrum of cosmic rays beyond the turn-down around $$\varvec{10^{17}}$$ eV as measured with the surface detector of the Pierre Auger Observatory | The European Physical Journal C The energy spectrum of cosmic rays beyond the turn-down around $$\varvec{10^{17}}$$ eV as measured with the surface detector of the Pierre Auger Observatory | The European Physical Journal C](https://media.springernature.com/m685/springer-static/image/art%3A10.1140%2Fepjc%2Fs10052-021-09700-w/MediaObjects/10052_2021_9700_Fig1_HTML.png)