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Earth, Planets and Space
Fig. 8 | Earth, Planets and Space

Fig. 8

From: Development of a portable assembly-type cosmic-ray muon module for measuring the density structure of a column of magma

Fig. 8

Counts of muons obtained in a run of 1 month with the portable assembly-type cosmic-ray muon telescope. The number of events is normalized to an observation time of 10 days. The simulation results by referring to the integrated flux of muons at various zenith angles penetrating through a given thickness are also given for the uniform average density value for ρ = 1.8, 2.0, 2.2, and 2.4 g cm−3.

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