Available online at www.sciencedirect.com Nuclear Engineering and Design 238 (2008) 1471–1495 The MEGAPIE-TEST project: Supporting research and lessons learned in first-of-a-kind spallation target technology C. Fazio a,∗ , F. Gr¨ oschel b , W. Wagner b , K. Thomsen b , B.L. Smith b , R. Stieglitz a , L. Zanini b , A. Guertin c , A. Cadiou c , J. Henry d , P. Agostini e , Y. Dai b , H. Heyck b , S. Dementjev b , S. Panebianco d , A. Almazouzi f , J. Eikenberg b , A. Letourneau d , J.C. Toussaint d , A. Janett b , Ch. Perret b , S. Joray b , J. Patorski b , W. Leung b , P. Meloni e , P. Turroni e , A. Zucchini e , G. Benamati e , J. Konys a , T. Auger g , A. Gessi e , D. Gorse g , I. Serre h , A. Terlain d , J.-B. Vogt h , A. Batta a , A. Class a , X. Cheng a , F. Fellmoser a , M. Daubner a , S. Gnieser a , G. Gr ¨ otzbach a , R. Milenkovic a , C. Latg´ e d , J.U. Knebel a a Forschungszentrum Karlsruhe GmbH, P.O. Box 3640, 76021 Karlsruhe, Germany b Paul Scherrer Institut, 5232 Villigen PSI, Switzerland c SUBATECH Laboratory, CNRS/IN2P3-EMN-University, F-44307 Nantes, France d Commissariat ` a l’´ energie atomique, 91191 Gif-sur-Yvette Cedex, France e Ente per le nuove Tecnologie, l’Energia e l’Ambiente, Localit` a Brasimone, 40032 Camugnano, Bologna, Italy f Studiecentrum voor Kernenergie/Centre d’Etude de l’Energie Nucl´ eaire, Boeretang 200, 2400 Mol, Belgium g CNRS-CECM, 15 rue Georges Urbain, 94407 Vitry/Seine Cedex, France h CNRS-LMPGM, 59655 Villeneuve d’Ascq Cedex, France Received 20 April 2007; received in revised form 10 September 2007; accepted 5 November 2007 Abstract The megawatt pilot experiment (MEGAPIE) has been launched by six European institutions (PSI, FZK, CEA, SCK-CEN, ENEA and CNRS), JAEA (Japan), DOE (US) and KAERI (Korea) with the aim to carry out an experiment, in the SINQ target location at PSI (Switzerland), to demonstrate the safe operation of a liquid metal (lead–bismuth eutectic, LBE) spallation target hit by a ∼1 MW proton beam. The European Commission has joined the MEGAPIE project through the 5-year (2001–2006) project named MEGAPIE-TEST. This project has been formally concluded with an International Workshop, where the results and the lessons learned during the project have been summarised. This work presents a review of the outcome of that Workshop. © 2007 Elsevier B.V. All rights reserved. 1. Introduction The MEGAPIE-TEST project has been supported by the European Commission in the frame of “Partitioning and Trans- mutation” activities foreseen in the component of “Safety of the fuel cycle” belonging to the key action “Nuclear Energy” of ∗ Corresponding author. E-mail address: concetta.fazio@nuklear.fzk.de (C. Fazio). the 5th Framework Programme. The Project has been formally concluded with an International Workshop where the most rele- vant results gained during the project have been discussed. The summary of these results is reported in this work. The partitioning and then the transmutation of the Minor Actinides (Am, Np and Cm) present in the spent nuclear fuel as unloaded from nuclear power plants provides a potential tool to reduce the burden on a deep geological repository (Salvatores, 2005). Accelerator Driven sub critical Systems (ADS) have been proposed to transmute Minor Actinides (European TWG on 0029-5493/$ – see front matter © 2007 Elsevier B.V. All rights reserved. doi:10.1016/j.nucengdes.2007.11.006