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Determination of dead-layer variation in HPGe detectors.
- Source :
-
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine [Appl Radiat Isot] 2014 May; Vol. 87, pp. 331-5. Date of Electronic Publication: 2013 Nov 26. - Publication Year :
- 2014
-
Abstract
- The dead-layer uniformity of the top surface of two high purity germanium detectors has been studied using a novel automated scanning set-up that allows a fine-grained topography of a detector's top and lateral surfaces. Comparisons between measurements and Monte Carlo simulations allowed implementation of a dead-layer variation into the detector model, which reproduces the measurements results. The effect of the non-uniform dead-layer on activity determinations based on low-energy γ-rays (i.e. below ~100 keV) has been determined to be of the order of 10% or more.<br /> (© 2013 Published by Elsevier Ltd.)
Details
- Language :
- English
- ISSN :
- 1872-9800
- Volume :
- 87
- Database :
- MEDLINE
- Journal :
- Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine
- Publication Type :
- Academic Journal
- Accession number :
- 24331853
- Full Text :
- https://doi.org/10.1016/j.apradiso.2013.11.046