KMESS: an open source software package using a semi-empirical mesh-grid method for the modeling of germanium detector efficiencies

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Title: KMESS: an open source software package using a semi-empirical mesh-grid method for the modeling of germanium detector efficiencies
Author: Jackman, Kevin Richard
Abstract: Traditional approaches in gamma -ray spectroscopy for determining the absolute full -energy peak efficiencies of germanium detectors are primarily either too time consuming or not economically viable . In addition , these approaches are difficult to use for arbitrary source shapes and counting geometries . An open source software package , KMESS (Kevin's Mesh Efficiency Simulator Software ) , was developed to address these problems . KMESS uses a new semi -empirical mesh -grid method to predict the absolute full -energy peak efficiencies of n - and p -type germanium detectors in both coaxial and closed -ended configurations . The model assumes that any gamma -ray source shape can be treated as a collection of point sources . The code was written in a modular form , making it easy to adapt for other detector configurations and materials . A suite of webbased graphical front -end tools was also developed to make the execution of KMESS user -friendly . KMESS can predict most full -energy peak efficiencies to within 10 % accuracy for the energy range 100 -1800 keV in less than 10 minutes .
URI: http : / /hdl .handle .net /2152 /3257
Date: 2008-08-28

Citation

KMESS: an open source software package using a semi-empirical mesh-grid method for the modeling of germanium detector efficiencies. Doctoral dissertation, The University of Texas at Austin. Available electronically from http : / /hdl .handle .net /2152 /3257 .

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