First test

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First test using cosmic rays looking at the lead glass block with XP2262 PMTs optically coupled to both sides of the lead glass block. Taking data with the cosmic ray trigger scintillator positioned at different locations along the lead glass block.

  • ADC spectrum of PMT response
 Image:lg_adcR_center.jpg
  • Signal velocity in the lead glass
 Image:leadglass_F8_velo_pmt2.jpg
  • Attenuation in the lead glass
 Image:leadglass_F8_atten_pmt2.jpg
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