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

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Presentation on theme: "Modification of Geant4 simulation Detailed crystal structures included reference materials real geometry."— Presentation transcript:

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

2 Checking of single Clover against NaI Clover NaI (φ7.62cm×7.62cm) NaI + source (25 cm away) for checking of the absolute photopeak efficiency 1330 keV gamma 10 6 events generated photo peak countdetection efficiency NaI13371.337×10 -3 Clover Crystal #132724.5% (Relative) Clover Crystal #233024.7% (Relative) Clover Crystal #330823.0% (Relative) Clover Crystal #434025.4% (Relative) before Add back130597.6% (Relative) after Add back2013150.6% (Relative) add-back factor: 1.54 Literature value: 1.2X10 -3

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

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