lofar - Swedish Institute of Space Physics - Uppsala
lofar - Swedish Institute of Space Physics - Uppsala
lofar - Swedish Institute of Space Physics - Uppsala
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Ultra-High Energy Cosmic Rays<br />
● CR mostly protons<br />
● Highest energy observed<br />
● F ~ E -2.75 up to 10 15 eV<br />
● After knee steeper, F ~ E -3<br />
● Origin <strong>of</strong> UHECR unknown<br />
● Flux obfuscated by B<br />
10 20 eV ≈ 16 J proton <br />
100 km/h Golf ball (!)<br />
Bo Thidé 52<br />
EISCAT Radar School, Kiruna,, 2005