Cosmic Ray Detection with IceTop / IceCube - Villa Olmo
Cosmic Ray Detection with IceTop / IceCube - Villa Olmo
Cosmic Ray Detection with IceTop / IceCube - Villa Olmo
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<strong>Cosmic</strong> <strong>Ray</strong> Composition<br />
Proton fraction (<strong>IceCube</strong>-40)<br />
100 % Proton 100 % Iron<br />
<br />
<br />
<br />
<br />
Data consistent <strong>with</strong> mixed<br />
composition<br />
Tendency to heavier elements<br />
for log(E/GeV) > 6.8<br />
Main systematics:<br />
►<br />
►<br />
►<br />
►<br />
Hadronic interaction model<br />
Ice model<br />
Snow accumulation on tanks<br />
Atmospheric variations<br />
Quantitative evaluation by<br />
►<br />
Neural Network → <br />
►<br />
(2D Unfolding)<br />
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