Figure 2
From: A new cylindrical borehole detector for radiographic imaging with muons

One semicylinder assembled with all the scintillators inserted and the silicon photomultipliers wired to the front end electronics boards.
From: A new cylindrical borehole detector for radiographic imaging with muons

One semicylinder assembled with all the scintillators inserted and the silicon photomultipliers wired to the front end electronics boards.