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M odification of Geant4 simulation

M odification of Geant4 simulation. reference materials. r eal geometry. Detailed crystal structures included. Checking of single Clover against NaI. NaI + source (25 cm away) for checking of the absolute photopeak efficiency . Clover. 1330 keV gamma 10 6 events generated.

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M odification of Geant4 simulation

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  1. Modification of Geant4 simulation reference materials real geometry Detailed crystal structures included

  2. Checking of single Clover against NaI NaI + source (25 cm away) for checking of the absolute photopeak efficiency Clover 1330 keV gamma 106 events generated NaI (φ7.62cm×7.62cm) Literature value: 1.2X10-3 add-back factor: 1.54

  3. Geant4 simulation photo peak efficiency [%] Detector geometry after Add back before Add back Energy [keV]

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