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The JEFF-3.1 Nuclear Data Library Data Bank ISBN 92-64-02314-3 The JEFF-3.1 Nuclear Data Library JEFF Report 21 Edited by Arjan Koning Robin Forrest Mark Kellett Robert Mills Hans Henriksson Yolanda Rugama © OECD 2006 NEA No. 6190 NUCLEAR ENERGY AGENCY ORGANISATION FOR ECONOMIC CO-OPERATION AND DEVELOPMENT ORGANISATION FOR ECONOMIC CO-OPERATION AND DEVELOPMENT The OECD is a unique forum where the governments of 30 democracies work together to address the economic, social and environmental challenges of globalisation. The OECD is also at the forefront of efforts to understand and to help governments respond to new developments and concerns, such as corporate governance, the information economy and the challenges of an ageing population. The Organisation provides a setting where governments can compare policy experiences, seek answers to common problems, identify good practice and work to co-ordinate domestic and international policies. The OECD member countries are: Australia, Austria, Belgium, Canada, the Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Japan, Korea, Luxembourg, Mexico, the Netherlands, New Zealand, Norway, Poland, Portugal, the Slovak Republic, Spain, Sweden, Switzerland, Turkey, the United Kingdom and the United States. The Commission of the European Communities takes part in the work of the OECD. OECD Publishing disseminates widely the results of the Organisation’s statistics gathering and research on economic, social and environmental issues, as well as the conventions, guidelines and standards agreed by its members. * * * This work is published on the responsibility of the Secretary-General of the OECD. The opinions expressed and arguments employed herein do not necessarily reflect the official views of the Organisation or of the governments of its member countries. NUCLEAR ENERGY AGENCY The OECD Nuclear Energy Agency (NEA) was established on 1st February 1958 under the name of the OEEC European Nuclear Energy Agency. It received its present designation on 20th April 1972, when Japan became its first non-European full member. NEA membership today consists of 28 OECD member countries: Australia, Austria, Belgium, Canada, the Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Japan, Luxembourg, Mexico, the Netherlands, Norway, Portugal, Republic of Korea, the Slovak Republic, Spain, Sweden, Switzerland, Turkey, the United Kingdom and the United States. The Commission of the European Communities also takes part in the work of the Agency. The mission of the NEA is: to assist its member countries in maintaining and further developing, through international co-operation, the scientific, technological and legal bases required for a safe, environmentally friendly and economical use of nuclear energy for peaceful purposes, as well as to provide authoritative assessments and to forge common understandings on key issues, as input to government decisions on nuclear energy policy and to broader OECD policy analyses in areas such as energy and sustainable development. Specific areas of competence of the NEA include safety and regulation of nuclear activities, radioactive waste management, radiological protection, nuclear science, economic and technical analyses of the nuclear fuel cycle, nuclear law and liability, and public information. The NEA Data Bank provides nuclear data and computer program services for participating countries. In these and related tasks, the NEA works in close collaboration with the International Atomic Energy Agency in Vienna, with which it has a Co-operation Agreement, as well as with other international organisations in the nuclear field. © OECD 2006 No reproduction, copy, transmission or translation of this publication may be made without written permission. Applications should be sent to OECD Publishing: [email protected] or by fax (+33-1) 45 24 13 91. Permission to photocopy a portion of this work should be addressed to the Centre Français d’exploitation du droit de Copie, 20 rue des Grands-Augustins, 75006 Paris, France ([email protected]). FOREWORD The Joint Evaluated Fission and Fusion (JEFF) Project is a collaborative effort among the member countries of the NEA Data Bank to develop a reference nuclear data library. The JEFF library contains sets of evaluated nuclear data, mainly for fission and fusion applications; it contains a number of different data types, including neutron and proton interaction data, radioactive decay data, fission yield data, thermal scattering law data and photo-atomic interaction data. The latest version of the JEFF library, JEFF-3.1, was released by the NEA in May 2005. JEFF-3.1 combines the efforts of the JEFF and EFF/EAF (European Fusion File/European Activation File) working groups who have contributed to this combined fission and fusion library. The neutron general purpose library contains incident neutron data for 381 materials from 1H to 255Fm. The activation library (based on the European Activation File, EAF-2003) contains 774 different targets from 1H to 257Fm. The radioactive decay data library contains data for 3 852 isotopes, of which 226 are stable. The proton special purpose library contains incident proton data for 26 materials from 40Ca to 209Bi. The thermal scattering law library covers 9 materials, and the fission yield library covers 19 isotopes of neutron induced fission yield from 232Th to 245Cm and 3 isotopes with spontaneous fission yields (242Cm, 244Cm and 252Cf). Acknowledgements We acknowledge the support and dedication of many colleagues in the nuclear data community in Europe, Japan and the United States without whom this work would not have been possible, in particular: C. Chabert, J-P. Delaroche, H. Derrien, H. Duarte, B. Duchemin, I. Duhamel, A. Filatenkov, E. Fort, F. Froehner, J. Galy, C-S. Gil, W. Haeck, F-J. Hambsch, M. Herman, S. Hilaire, M. Honusek, T. Ivanova, D-H. Kim, N. Larson, P. de Leege, R. MacFarlane, A. Mengoni, L. Mercatali, C. Mihaelescu, W. Mannhart, M.C. Moxon, S. Pelloni, P. Ribon, D. Ridikas, G. Rimpault, J.L. Rowlands, E Simeckova, J. Tommasi, B. Zefran, M. Zmitko, and Harm Gruppelaar, who left us too soon to experience the impact of his work. 3 TABLE OF CONTENTS Foreword ............................................................................................................................................ 3 Introduction ........................................................................................................................................ 7 The general-purpose neutron data library........................................................................................... 8 The need for a new library.......................................................................................................... 8 New evaluations.......................................................................................................................... 8 Thermal scattering law library............................................................................................................ 8 Expected performance relative to JEF-2.2 ......................................................................................... 9 Benchmarking and quality assurance ................................................................................................. 9 Present status .............................................................................................................................. 9 The library format and contents.................................................................................................. 10 Outlook ....................................................................................................................................... 11 Activation library, JEFF-3.1/A........................................................................................................... 11 Summary..................................................................................................................................... 11 Background................................................................................................................................. 11 Library description...................................................................................................................... 11 Radioactive decay data library, JEFF-3.1/RDD ................................................................................. 12 Summary..................................................................................................................................... 12 Data sources available ................................................................................................................ 12 Fission yield libraries, JEFF-3.1/NFY and SFY................................................................................. 13 Proton special-purpose library............................................................................................................ 13 The JEFF Team .................................................................................................................................. 15 References .......................................................................................................................................... 17 Working papers from JEFF meetings 2002-2005............................................................................... 19 JEFF documents.........................................................................................................................
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