COMMISSION OF THE EUROPEAN COMMUNITIES nuclear science and technology The damage to activation ratio for graphite irradiations in the HFR (Gamin technique) COMMISSION OF THE EUROPEAN COMMUNITIES nuclear science and technology The damage to activation ratio for graphite irradiations in the HFR (Gamin technique) J.P. GENTHON Joint Research Centre Petten Establishment — Netherlands 1977 EUR 5795 EN Published by the COMMISSION OF THE EUROPEAN COMMUNITIES Directorate-General 'Scientific and Technical Information and Information Management' Bâtiment Jean Monnet LUXEMBOURG LEGAL NOTICE Neither the Commission of the European Communities nor any person acting on behalf of then is responsible for the use which might be made of the following information A bibliographical slip can be found at the end of this volume © ECSC-EEC-EAEC, Brussels-Luxembourg, 1977 Printed in Belgium Reproduction authorized, in whole or in part, provided the source is acknowledged Catalogue number : CD-NE-77-053-EN-C 3 — 1. INTRODUCTION Graphite damage dose meters, called GAMIN (Graphite Applied to Measurement of Integrated Neutrons), developed in Saclay and tested in the reactors ISIS and OSIRIS, have been irradiated in some experiment positions of the HFR in Petten ]1|. The detector proper is a graphite cylinder {φ 3 mm, length 50 mm).