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Parameter optimization of a planar BEGe detector using Monte Carlo simulations

✍ Scribed by R. Luís; J. Bento; G. Carvalhal; P. Nogueira; L. Silva; P. Teles; P. Vaz

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
357 KB
Volume
623
Category
Article
ISSN
0168-9002

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✦ Synopsis

This work reports on the use of three state-of-the-art Monte Carlo codes (MCNPX, PENELOPE, FLUKA) in the efficiency calibration of a Broad-Energy Germanium (BEGe) detector. Initial discrepancies found between the experimental and computational efficiency values are related to the poor knowledge of some physical parameters of the detector (dead-layers, crystal dimensions, etc.). As a consequence, a sensitivity analysis was carried out. Each parameter was systematically analyzed, and an accurate model of the detector was determined. The obtained results are consistent, allowing this model to be used in computational efficiency calibrations of the equipment at stake.

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