Equivalent detector models for the simulation of efficiency response of an HPGe detector with PENELOPE code

Elio Angelo Tomarchio, Pierangelo Catania

Risultato della ricerca: Articlepeer review

1 Citazioni (Scopus)

Abstract

In this work, some ‘equivalent’ models for the simulation of efficiency response of a High-Purity Germanium (HPGe) detector, installed inside a ‘low background’ bunker in the Engineering Department of the University of Palermo, were developed. The main feature was to attribute the uncertainties of the model to only one of the parameters, the dead layer of the detector, keeping unchanged the other data provided by the manufacturer. With this technique, using the Monte Carlo PENELOPE code in the 2011 version, the efficiency response was evaluated and compared with the previous one performed with MCNP5 code. The validation of equivalent models is performed by comparing the simulation results with that of experimental spectrometric measurements of calibrated point sources and characterized volumetric sources such as a Marinelli beaker and an air filter reduced to a ‘packet-sample’. The use of equivalent models makes the evaluation of efficiencyc urves with a Monte Carlo code easier and faster, and requires only a few experimental values for validation.
Lingua originaleEnglish
pagine (da-a)941-953
Numero di pagine13
RivistaRadiation Effects and Defects in Solids
Volume174
Stato di pubblicazionePublished - 2019

All Science Journal Classification (ASJC) codes

  • Radiation
  • Nuclear and High Energy Physics
  • Materials Science(all)
  • Condensed Matter Physics

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