Figure 3
From: Instant snapshot of the internal structure of Unzen lava dome, Japan with airborne muography
Experimental setup of the present airborne muography measurement.
(a) The side (upper panel) and top (lower panel) view of the tracker arrangement. The dashed boxes show the locations of the pilot (A) and operator (B). (b) The schematics of the muon tracker. Each plastic scintillator is connected to the photomultiplier tube (PMT). (c) A photograph of the parallel muography observation system installed into the aircraft. (d) A closer view of the tracker prior to attaching cables.
