Measurements of high-energy neutron-induced fission of (nat)Pb and (209)Bi

D. Tarrio, L. Tassan-Got, L. Audouin, B. Berthier, I. Duran, L. Ferrant, S. Isaev, C. Le Naour, C. Paradela, C. Stephan, D. Trubert, U. Abbondanno, G. Aerts, H. Alvarez, F. Alvarez-Velarde, S. Andriamonje, J. Andrzejewski, P. Assimakopoulos, G. Badurek, P. BaumannF. Becvar, E. Berthoumieux, F. Calvino, M. Calviani, D. Cano-Ott, R. Capote, C. Carrapico, P. Cennini, V. Chepel, E. Chiaveri, N. Colonna, G. Cortes, A. Couture, J. Cox, M. Dahlfors, S. David, I. Dillmann, C. Domingo-Pardo, W. Dridi, C. Eleftheriadis, M. Embid-Segura, A. Ferrari, R. Ferreira-Marques, K. Fujii, W. Furman, I. Goncalves, E. Gonzalez-Romero, F. Gramegna, C. Guerrero, T. Rauscher, n-TOF Collaboration

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Abstract

The CERN Neutron Time-Of-Flight (n_TOF) facility is well suited to measure low cross sections as those of neutron-induced fission in subactinides. The cross section ratios of (nat)Pb and (209)Bi relative to (235)U and (238)U were measured using PPAC detectors and a fragment coincidence method that allows us to identify the fission events. The present experiment provides first results for neutron-induced fission up to 1 GeV. Good agreement is found with previous experimental data below 200 MeV. The comparison with proton-induced fission indicates that the limiting regime where neutron-induced and proton-induced fission reach equal cross sections is close to 1 GeV.

Original languageEnglish
Title of host publicationEFNUDAT – Measurements and Models of Nuclear Reactions
EditorsT. Granier, B. Laurent, Ledoux, J.G. Marmouget
Place of PublicationCEDEX A
PublisherEDP Sciences
Number of pages6
ISBN (Print)978-2-7598-0585-3
DOIs
Publication statusPublished - 2010
EventEFNUDAT Users and Collaboration Workshop on Measurements and Models of Nuclear Reactions - Paris, France
Duration: 25 May 201027 May 2010

Publication series

NameEPJ Web of Conferences
Volume8
ISSN (Print)2100-014X

Conference

ConferenceEFNUDAT Users and Collaboration Workshop on Measurements and Models of Nuclear Reactions
Country/TerritoryFrance
CityParis
Period25/05/1027/05/10

Keywords

  • CROSS-SECTIONS

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