HyCal in Hall B

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  1. Lead tungstate insert
    • Size: an array of 34 x 34 crystals - 4 beam hole (1152 modules)
    • Crystal size: 20.5 mm x 20.5 mm x 180 mm
  2. Lead glass part
    • 576 blocks
    • 38.2 mm x 38.2 mm x 450 mm (SF - 2 type)
  3. Offset between the lead glass and lead tungstate blocks: 3.75 ~ 9.6 cm
  4. 7 cables are connected to the PMT base


HyCal pictures