Modeling the transmission of beta rays through thin foils in planar geometry

D Stanga; P De Felice; J Keightley; M Capogni; E Ionescu

doi:10.1016/j.apradiso.2015.10.024

Modeling the transmission of beta rays through thin foils in planar geometry

Appl Radiat Isot. 2016 Jan:107:206-213. doi: 10.1016/j.apradiso.2015.10.024. Epub 2015 Oct 23.

Authors

D Stanga¹, P De Felice², J Keightley³, M Capogni², E Ionescu⁴

Affiliations

¹ National Institute of R&D for Physics and Nuclear Engineering-HoriaHulubei, IFIN-HH, P.O. Box MG-6, Bucharest, Magurele, R-077125, Romania. Electronic address: doru@nipne.ro.
² Instituto Nazionale di Metrologia delle Radiazioni Ionizzante, ENEA, C.R. Casaccia, P.O. Box 2400, I-00100 Rome, Italy.
³ National Physical Laboratory, Hampton Road, Teddington TW11 0LW, UK.
⁴ National Institute of R&D for Physics and Nuclear Engineering-HoriaHulubei, IFIN-HH, P.O. Box MG-6, Bucharest, Magurele, R-077125, Romania.

PMID: 26524407
DOI: 10.1016/j.apradiso.2015.10.024

Abstract

This paper is concerned with the modeling of the transmission of beta rays through thin foils in planar geometry based on the plane source concept, using Monte Carlo simulation of electron transport and least squares fitting. Applications of modeling results for calculating the efficiency of large-area beta sources, transmission coefficient of beta rays through thin foils and the beta detection efficiency of large-area detectors used in surface contamination measurements are also presented.

Keywords: Beta-rays; Modeling; Planar geometry; Transmission.