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Cosmic Ray Detection with IceTop / IceCube - Villa Olmo

Cosmic Ray Detection with IceTop / IceCube - Villa Olmo

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K 70<br />

Muon Estimator<br />

surface<br />

<br />

Cannot directly measure number of muons in a<br />

bundle<br />

X<br />

<br />

Estimation of muon number by fitting an<br />

appropriate light emission/propagation model<br />

d<br />

Detectable charge at point (X,d):<br />

λ eff<br />

: Effective scattering/absorption length → Ice model<br />

Muon estimator:<br />

Center of <strong>IceCube</strong><br />

Distance to bundle axis<br />

26

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