Open Access
Issue
ND 2007
2007
Article Number 167
Number of page(s) 4
Section Thermal and resonance range
DOI https://doi.org/10.1051/ndata:07496
Published online 17 June 2008
International Conference on Nuclear Data for Science and Technology 2007
DOI: 10.1051/ndata:07496

The neutron capture cross sections of 237Np(n,γ) and 240Pu(n,γ) and its relevance in the transmutation of nuclear waste

C. Guerrero1, U. Abbondanno2, G. Aerts3, H. Álvarez4, F. Álvarez-Velarde1, S. Andriamonje3, J. Andrzejewski5, P. Assimakopoulos6, L. Audouin7, G. Badurek8, P. Baumann9, F. Becvár10, E. Berthoumieux3, F. Calviño11, M. Calviani12, 13, D. Cano-Ott1, R. Capote14, 15, C. Carrapiço3, 16, P. Cennini17, V. Chepel18, E. Chiaveri17, N. Colonna19, G. Cortes20, A. Couture21, J. Cox21, M. Dahlfors17, S. David7, I. Dillmann22, C. Domingo-Pardo22, 23, W. Dridi3, I. Duran4, C. Eleftheriadis24, M. Embid-Segura1, L. Ferrant7, A. Ferrari17, R. Ferreira-Marques18, K. Fujii2, W. Furman25, I. Goncalves18, E. González-Romero1, F. Gramegna12, F. Gunsing3, B. Haas26, R. Haight27, M. Heil22, A. Herrera-Martinez17, M. Igashira28, E. Jericha8, F. Käppeler22, Y. Kadi17, D. Karadimos6, D. Karamanis6, M. Kerveno9, P. Koehler29, E. Kossionides30, M. Krticka10, C. Lampoudis3, 24, H. Leeb8, A. Lindote18, I. Lopes18, M. Lozano15, S. Lukic9, J. Marganiec5, S. Marrone19, T. Martínez1, C. Massimi31, P. Mastinu12, A. Mengoni14, 17, P.M. Milazzo2, C. Moreau2, M. Mosconi22, F. Neves18, H. Oberhummer8, S. O'Brien21, J. Pancin3, C. Papachristodoulou6, C. Papadopoulos32, C. Paradela4, N. Patronis6, A. Pavlik33, P. Pavlopoulos34, L. Perrot3, M.T. Pigni8, R. Plag22, A. Plompen35, A. Plukis3, A. Poch20, J. Praena12, C. Pretel20, J. Quesada15, T. Rauscher36, R. Reifarth27, C. Rubbia37, G. Rudolf9, P. Rullhusen35, J. Salgado16, C. Santos16, L. Sarchiapone17, I. Savvidis24, C. Stephan7, G. Tagliente19, J.L. Tain23, L. Tassan-Got7, L. Tavora16, R. Terlizzi19, G. Vannini31, P. Vaz16, A. Ventura38, D. Villamarin1, M.C. Vincente1, V. Vlachoudis17, R. Vlastou32, F. Voss22, S. Walter22, M. Wiescher21 and K. Wisshak22

1  Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, Madrid, Spain
2  Istituto Nazionale di Fisica Nucleare, Trieste, Italy
3  CEA/Saclay-DSM/DAPNIA, Gif-sur-Yvette, France
4  Universidade de Santiago de Compostela, Spain
5  University of Lodz, Lodz, Poland
6  University of Ioannina, Greece
7  Centre National de la Recherche Scientifique/IN2P3-IPN, Orsay, France
8  Atominstitut der Österreichischen Universitäten, Technische Universität Wien, Austria
9  Centre National de la Recherche Scientifique/IN2P3-IReS, Strasbourg, France
10  Charles University, Prague, Czech Republic
11  Universidad Politecnica de Madrid, Spain
12  Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Italy
13  Dipartimento di Fisica, Università di Padova, Italy
14  International Atomic Energy Agency (IAEA), Nuclear Data Section, Vienna, Austria,
15  Universidad de Sevilla, Spain
16  Instituto Tecnológico e Nuclear (ITN), Lisbon, Portugal
17  CERN, Geneva, Switzerland
18  LIP - Coimbra & Departamento de Fisica da Universidade de Coimbra, Portugal
19  Istituto Nazionale di Fisica Nucleare, Bari, Italy
20  Universitat Politecnica de Catalunya, Barcelona, Spain
21  University of Notre Dame, Notre Dame, USA
22  Forschungszentrum Karlsruhe GmbH (FZK), Institut für Kernphysik, Germany
23  Instituto de Física Corpuscular, CSIC-Universidad de Valencia, Spain
24  Aristotle University of Thessaloniki, Greece
25  Joint Institute for Nuclear Research, Frank Laboratory of Neutron Physics, Dubna, Russia
26  Centre National de la Recherche Scientifique/IN2P3-CENBG, Bordeaux, France
27  Los Alamos National Laboratory, New Mexico, USA
28  Tokyo Institute of Technology, Tokyo, Japan
29  Oak Ridge National Laboratory, Physics Division, Oak Ridge, USA
30  NCSR, Athens, Greece
31  Dipartimento di Fisica, Università di Bologna, and Sezione INFN di Bologna, Italy
32  National Technical University of Athens, Greece
33  Institut für Isotopenforschung und Kernphysik, Universität Wien, Austria
34  Pôle Universitaire Léonard de Vinci, Paris-La Défense, France
35  CEC-JRC-IRMM, Geel, Belgium
36  Department of Physics-University of Basel, Switzerland
37  Università degli Studi Pavia, Pavia, Italy
38  ENEA, Bologna, Italy

carlos.guerrero@ciemat.es

Published online: 21 May 2008

Abstract
Neutron capture cross sections of actinides are of great relevance for the Transmutation of Nuclear Waste in Accelerator Driven Systems (ADS) and Generation-IV reactors. The neutron capture cross sections of 237Np and 240Pu were measured at the n_TOF facility with a Total Absorption Calorimeter. The data have been analyzed with the SAMMY code. The corresponding covariance matrices have been generated. The final cross sections are presented and compared to the previously existing ones.



© CEA 2008

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