Abstract
Monte Carlo simulations were used to model gamma ray interactions at 1 MeV and 11 MeV within liquid krypton to understand geometry effects and energy containment. Two Monte Carlo codes were used in this work: Geant4 and MCNP5. The agreement of the two codes was shown by the comparison of the calculated average energy deposition and fraction of incident gamma energy deposited as a function of chamber lengths and gamma ray offsets. Modeling shows that good energy containment for 1 MeV gamma rays occurs for chamber depths of 20 cm. For gamma rays entering parallel to the central axis of the detector, 1 MeV showers are well contained up to approximately 1 cm of the detectors' edge. For 11 MeV gamma rays the acceptance plateau occurs at a depth of 40 cm and 20 cm from the detectors' edge.
Published Version
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