The detector

  • The detector is a stack of plastic scintillators (EJ-200, Eljen Technology), readout with silicon photomultipliers (MicroFC-60035-SMT, SensL). 

Figure: Stack of three plastic scintillators, wrapped with tyvek paper (inner layer) and black paper (outer layer)

Figure: Silicon photomultiplier at a corner of a scintillator plate

  • The readout is done with a time-to-digital converter board (QuarkNet)

Figure: Data acquisition board

  • Data is collected with a Raspberry PI2, single board computer.

Raspberry Pi top
Figure: Mini computer for data collection