Characterization of Nonlinearity Scintillation Effects in HECTOR with GEANT4
ORAL
Abstract
It has been observed that NaI(Tl) detectors exhibit nonlinear behavior in light output for gamma-ray detection that varies with the total energy deposited and gamma-ray multiplicity. Understanding such changes in radiation detection can improve the energy resolution of the detector and ensure proper energy calibration. To understand such effects for the High EffiCiency TOtal absorption spectrometeR (HECTOR), GEANT4.10.5’s built-in scintillation function was used to model the scintillation of the NaI(Tl) crystals. The simulation was used to characterize the response of the detector to varying energies and multiplicities of gamma rays. Here, a comparison of the results to previously published results will be discussed in further detail.
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Presenters
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John P McDonaugh
University of Notre Dame
Authors
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John P McDonaugh
University of Notre Dame
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Anna Simon
University of Notre Dame
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Alexander C Dombos
University of Notre Dame
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Rebeka Kelmar
University of Notre Dame
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Jes Koros
University of Notre Dame
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Miriam Matney
University of Notre Dame
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Orlando J Gomez
University of Notre Dame, University of Notr Dame
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Craig S Reingold
Lawrence Livermore Natl Lab, University of Notre Dame