1、 IEC TR 62971 Edition 1.0 2015-10 TECHNICA L REPOR T Radiation instrumentation R adiation sources used in illicit trafficking detection standards Guidance and recommendations IEC TR 62971:2015-10(en)colourinsideCopyright International Electrotechnical Commission THIS PUBLICA TION IS COPYRIGHT PROTEC
2、TED Copyright 2015 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no par t of this publication may be reproduced or utilized in any for m or by any means,electronic or mechanical,including photocopying and microfilm,without per mission in writing fr om either IEC or IECs membe
3、r National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional r ights to this publication,please contact the address below or your local IEC member National Committee for further infor mation.IEC Centr al Office Tel.:
4、+41 22 919 02 11 3,rue de Varemb Fax:+41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch About t he IEC The International Electr otechnical Commission(IEC)is the leading global organization that prepar es and publishes Inter national Standards for all electr ical,electronic and rela
5、ted technologies.A bout IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sur e that you have the latest edition,a cor rigenda or an amendment might have been published.IEC Cat alogue-webstore.iec.ch/cat alogue The stand-alone application
6、 for consulting the entire bibliographical information on IEC International Standards,Technical Specifications,Technical R eports and other documents.A v ailable for PC,Mac OS,A ndroid Tablets and iPad.IEC publications search-w w w.iec.ch/searchpub The adv anced search enables to find IEC publicatio
7、ns by a variety of criteria(reference number,text,technical committee,).It also gives information on projec ts,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications.Just Published details all new publications released.A v ail
8、able online and also once a month by email.Elect ropedia-w w w.elect ropedia.org The worlds leading online dic tionary of elec tronic and electrical terms containing more than 30 000 terms and definitions in English and French,with equiv alent terms in 15 additional languages.Also known as the Inter
9、national Elec trotechnical Vocabulary (IEV)online.IEC Glossar y-st d.iec.ch/glossary More than 60 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002.Some entries hav e been collected from earlier public
10、ations of IEC TC 37,77,86 and CISPR.IEC Customer Service Cent re-webstore.iec.ch/csc If y ou wish to giv e us y our feedback on this publication or need further assistance,please contact the Customer Serv ice Centre:csciec.ch.Copyright International Electrotechnical Commission IEC TR 62971 Edit ion
11、1.0 2015-10 TECHNICA L R EPOR T R adiation instrumentation R adiation sources used in illicit trafficking detection standards Guidance and recommendations INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 13.280 ISBN 978-2-8322-2958-3 R egist er ed tr ademar k of t he Int er national Electr ot echnical
12、Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinsideCopyright International Electrotechnical Commission 2 IEC TR 62971:2015 IEC 2015 CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Terms and definitions,abbreviations and symbols.5 3.1 T
13、erms and definitions.5 3.2 Abbreviations and symbols.5 4 Background.6 4.1 List of relevant standards.6 4.2 Source suppliers.6 4.3 Nuclear Material(NM)sources and materials of interest.6 4.4 Neutron sources.7 4.5 Surrogate materials and efforts.7 4.5.1 Materials.7 4.5.2 Efforts.8 4.5.3 Simulated gamm
14、a spectra versus real spectra.9 4.5.4 Use of Naturally Occurring Radioactive Material(NORM).9 5 General requirements.10 5.1 NM.10 5.2 Metals or oxides.11 5.3 Spheres or plates.11 5.4 Source encapsulation.11 Bibliography.12 Figure 1 241Am-Be energy distribution.8 Figure 2 Low resolution RGPu(blue tra
15、ce)and WGPu spectra comparison.11 Table 1 IEC NM.10 Copyright International Electrotechnical Commission IEC TR 62971:2015 IEC 2015 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ RADIATION INSTRUMENTATION RADIATION SOURCES USED IN ILLICIT TRAFFICKING DETECTION STANDARDS GUIDANCE AND RECOMMENDATIONS FO
16、REWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Committees).The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields.To this end and in addition to other activities,IEC publishes International Standards,Technical Specifications,Technical Reports,Publicly Available Specifications(PAS)and Gu
