International Conference on Nuclear Data for Science and Technology 2010
J. Korean Phys. Soc. 59, 1908-1911
Paper ID: ND-1519
DOI: 10.3938/jkps.59.1908
PACS: 25.85.Ec, 25.40.Fq, 29.85.+c
237Np(n,f) Cross Section: New Data and Present Status
C. Paradela1, L. Tassan-Got2, L. Audouin2, B. Berthier2, I. Duran3, L. Ferrant2, S. Isaev2, C. Le Naour2, C. Stephan2, D. Tarrío3, D. Trubert2, U. Abbondanno4, G. Aerts5, H. Álvarez3, F. Álvarez-Velarde6, S. Andriamonje7, J. Andrzejewski8, P. Assimakopoulos9, G. Badurek10, P. Baumann11, F. Becvár12, E. Berthoumieux7, F. Calviño13, M. Calviani14, D. Cano-Ott6, R. Capote15,16, C. Carrapiço17,7, P. Cennini18, V. Chepel19, E. Chiaveri18, N. Colonna20, G. Cortes13, A. Couture21, J. Cox21, M. Dahlfors18, S. David2, I. Dillmann22, C. Domingo-Pardo23, W. Dridi7, C. Eleftheriadis24, M. Embid-Segura6, A. Ferrari18, R. Ferreira-Marques19, K. Fujii4, W. Furman25, I. Gonçalves17, E. González-Romero6, F. Gramegna14, C. Guerrero6, F. Gunsing7, B. Haas26, R. Haight27, M. Heil22, A. Herrera-Martinez18, M. Igashira28, E. Jericha10, Y. Kadi18, F. Käppeler22, D. Karadimos9, D. Karamanis9, M. Kerveno11, P. Koehler29, E. Kossionides30, M. Krticka12, C. Lampoudis24,7, H. Leeb10, A. Lindote19, I. Lopes19, M. Lozano16, S. Lukic11, J. Marganiec8, S. Marrone21, T. Martínez6, C. Massimi31, P. Mastinu14, A. Mengoni15,18, P. M. Milazzo4, C. Moreau4, M. Mosconi22, F. Neves19, H. Oberhummer10, S. O'brien21, M. Oshima32, J. Pancin7, C. Papachristodoulou9, C. Papadopoulos33, N. Patronis9, A. Pavlik34, P. Pavlopoulos35, L. Perrot7, M. T. Pigni10, R. Plag23, A. Plompen23, A. Plukis7, A. Poch13, J. Praena14, C. Pretel13, J. Quesada16, T. Rauscher36, R. Reifarth27, C. Rubbia37, G. Rudolf11, P. Rullhusen38, J. Salgado17, C. Santos17, L. Sarchiapone18, I. Savvidis24, G. Tagliente20, J. L. Tain23, L. Tavora17, R. Terlizzi20, G. Vannini31, P. Vaz17, A. Ventura39, D. Villamarin6, M. C. Vicente6, V. Vlachoudis18, R. Vlastou35, F. Voss22, S. Walter22, M. Wiescher21 and K. Wisshak22
1 Universidade de Santiago de Compostela, Facultad de Física, Santiago de Compostela, 15782, Spain
2 Centre National de la Recherche Scientifique/IN2P3-IPN, Orsay, France
3 Universidade de Santiago de Compostela, Spain
4 Istituto Nazionale di Fisica Nucleare, Trieste, Italy
5 CEA/Saclay – IRFU, Gif-sur-Yvette, France
6 Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, Madrid, Spain
7 CEA/Saclay – DSM/DAPNIA, Gif-sur-Yvette, France
8 University of Lodz, Lodz, Poland
9 University of Ioannina, Greece
10 Atominstitut der Österreichischen Universitäten, Technische Universität
11 Centre National de Recherche Scientifique/IN2P3 – IreS, Strasbourg, France
12 Charles University, Prague, Czech Republic
13 Universidad Politecnica de Catalunya, Barcelona, Spain
14 Istituto Nazional di Fisica Nucleare, Laboratori Nazionali di Legnaro, Italy
15 International Atomic Energy Agency (IAEA), Nuclear Data Section, Vienna, Austria
16 Universidad de Sevilla, Spain
17 Instituto Tecnológico e Nuclear (ITN), Lisbon, Portugal
18 CERN, Geneva, Switzerland
19 LIP – Coimbra, Departamento de Fisica da Universidade de Coimbra, Portugal
20 Istituto Nazionale di Fisica Nucleare, Bari, Italy
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 Dipartamento di Fisica, Università de Bologna, and Sezione INFN di Bologna, Italy
32 Japan Atomic Energy Research Institute, Tokai-mura, Japan
33 National Technical University of Athens, Greece
34 Fakültat für Physik, Universität Wien, Austria
35 Pôle Universitaire Léonard de Vinci, Paris, La Défense, France
36 Departament of Physics – University of Basel, Switzerland
37 Università degli Studi Pavia, Pavia, Italy
38 CEC-JRC-IRMM, Geel, Belgium
39 ENEA, Bologna, Italy
Abstract
In this document, we present the final result obtained at the n_TOF experiment for the neutron-induced fission cross section of the 237Np, from the fission threshold up to 1 GeV. The method applied to get this result is briefly discussed. n_TOF data are compared to the last experimental measurements using other ToF facilities or the surrogate method, reported experiments performed with monoenergetic sources and the FISCAL systematic, including a discussion about the existing discrepancies.
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