A system for the determination of silicon in the human lung using neutrons from A 2MV Van de Graaff generator

A. Kacperek; C. Evans; J. Dutton; W. Morgan; A. Sivyer

doi:10.1007/bf02048887

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 114: Issue 1

A system for the determination of silicon in the human lung using neutrons from A 2MV Van de Graaff generator

Authors:

A. Kacperek

A. Kacperek University of Wales Department of Physics, University College of Swansea Singleton Park SA2 8PP Swansea (UK)

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C. Evans

C. Evans University of Wales Department of Physics, University College of Swansea Singleton Park SA2 8PP Swansea (UK)

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J. Dutton

J. Dutton University of Wales Department of Physics, University College of Swansea Singleton Park SA2 8PP Swansea (UK)

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W. Morgan

W. Morgan Singleton Hospital Department of Medical Physics and Clinical Engineering SA2 8QA Swansea (UK)

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A. Sivyer

A. Sivyer Singleton Hospital Department of Medical Physics and Clinical Engineering SA2 8QA Swansea (UK)

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Pages:: 165–172

Online Publication Date:: 13 Aug 2005

Publication Date:: 17 Aug 1987

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02048887

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Abstract

Neutron activation analysis, using inelastic scattering, provides a quantitative, non-invasive technique of studying silica burdens and is potentially useful as a screening procedure for occupationally exposed workers. In this method, silicon is measured using the fast neutron inelastic scattering reaction²⁸Si(n,n)²⁸Si which emits 1779 keV -rays. The method requires a source of fast neutrons (> 2MeV). A 2MV Van de Graaff generator has been developed to produce a pulsed beam of 5.2 MeV neutrons. The pulsed beam has the advantage of improving measurement sensitivity by separating in Bone the inelastic scattering -rays from those due to thermal-neutron capture reactions. The incident neutron energy was chosen to maximise the silicon -ray count rate, while keeping the signal from the competing reaction³¹P(n,)²⁸Al negligible.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)