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Camp A, Vargas A, Fernández-Varea JM. Determination of LaBr3(Ce) internal background using a HPGe detector and Monte Carlo simulations. Appl Radiat Isot. 2015;109:512-517doi: 10.1016/j.apradiso.2015.11.093.
Camp, A., Vargas, A., & Fernández-Varea, J. M. (2016). Determination of LaBr3(Ce) internal background using a HPGe detector and Monte Carlo simulations. Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 109512-517. https://doi.org/10.1016/j.apradiso.2015.11.093
Camp, Anna, et al. "Determination of LaBr3(Ce) internal background using a HPGe detector and Monte Carlo simulations." Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine vol. 109 (2016): 512-517. doi: https://doi.org/10.1016/j.apradiso.2015.11.093
Camp A, Vargas A, Fernández-Varea JM. Determination of LaBr3(Ce) internal background using a HPGe detector and Monte Carlo simulations. Appl Radiat Isot. 2016 Mar;109:512-517. doi: 10.1016/j.apradiso.2015.11.093. Epub 2015 Nov 27. PMID: 26688364.
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Appl Radiat Isot. 2016 Mar;109:512-517. doi: 10.1016/j.apradiso.2015.11.093. Epub 2015 Nov 27.

Determination of LaBr3(Ce) internal background using a HPGe detector and Monte Carlo simulations.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

Anna Camp, Arturo Vargas, José M Fernández-Varea

Affiliations

  1. Institute of Energy Technologies (INTE), Universitat Politècnica de Catalunya, Diagonal 647, E-08028 Barcelona, Spain.
  2. Institute of Energy Technologies (INTE), Universitat Politècnica de Catalunya, Diagonal 647, E-08028 Barcelona, Spain. Electronic address: [email protected].
  3. Facultat de Física (ECM and ICC), Universitat de Barcelona, Diagonal 645, E-08028 Barcelona, Spain.

PMID: 26688364 DOI: 10.1016/j.apradiso.2015.11.093

Abstract

The presence of (138)La and (227)Ac impurities in LaBr3(Ce) scintillator crystals is a drawback for their use in environmental radiation monitoring. A method is presented to evaluate the internal (138)La activity. Firstly, an experimental set-up is prepared with the LaBr3(Ce) crystal acting as the radiation source and an HPGe detector that acquires the photon spectrum. Then, the internal background spectrum is simulated with a modified version of the PENELOPE/penEasy Monte Carlo code. The simulated spectra agree with measurements conducted at ultra-low-background facilities.

Copyright © 2015 Elsevier Ltd. All rights reserved.

Keywords: (138)La; Ambient dose rate; Gamma-ray spectrometry; Internal background; LaBr(3)(Ce); Monte Carlo simulation

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