March 17, 2017

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Reconstructed efficiency (signal MC E_gamma > 8 GeV).

PWO hole size, 10 cm x 10 cm


  • (1) 4 clusters (proton not required) - 70.4 %
  • (2) 4 clusters (proton not required), not overlapped (island cluster type 0, or 100) - 63.3 %
  • (3) 4 clusters + reconstructed proton - 38.6 %


Mass distribution of reconstructed 4 gammas


Number of FCAL clusters in 4 gamma events

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