High-energy Neutron-induced Fission Cross Sections of Natural Lead and Bismuth-209 (Journal article)

Tarrio, D./ Tassan-Got, L./ Audouin, L./ Berthier, B./ Ferrant, L./ Isaev, S./ Le Naour, C./ Stephan, C./ Trubert, D./ David, S./ Duran, I./ Paradela, C./ Alvarez, H./ Abbondanno, U./ Fujii, K./ Milazzo, P. M./ Moreau, C./ Aerts, G./ Alvarez-Velarde, F./ Cano-Ott, D./ Embid-Segura, M./ Gonzalez-Romero, E./ Guerrero, C./ Martinez, T./ Villamarin, D./ Vicente, M. C./ Andriamonje, S./ Berthoumieux, E./ Dridi, W./ Gunsig, F./ Pancin, J./ Perrot, L./ Plukis, A./ Andrzejewski, J./ Marganiec, J./ Assimakopoulos, P./ Karadimos, D./ Karamanis, D./ Papachristodoulou, C./ Patronis, N./ Badurek, G./ Jericha, E./ Leeb, H./ Oberhummer, H./ Pigni, M. T./ Baumann, P./ Kerveno, M./ Lukic, S./ Rudolf, G./ Becvar, F./ Krticka, M./ Calvino, F./ Cortes, G./ Poch, A./ Pretel, C./ Calviani, M./ Gramegna, F./ Mastinu, P./ Praena, J./ Capote, R./ Carrapico, C./ Cennini, P./ Chiaveri, E./ Dahlfors, M./ Ferrari, A./ Goncalves, I./ Herrera-Martinez, A./ Kadi, Y./ Sarchiapone, L./ Vlachoudis, V./ Chepel, V./ Ferreira-Marques, R./ Lindote, A./ Lopes, I./ Neves, F./ Colonna, N./ Tagliente, G./ Terlizzi, R./ Couture, A./ Cox, J./ Marrone, S./ O'Brien, S./ Wiescher, M./ Dillmann, I./ Heil, M./ Kappeler, F./ Mosconi, M./ Voss, F./ Walter, S./ Wisshak, K./ Domingo-Pardo, C./ Plag, R./ Plompen, A./ Tain, J. L./ Eleftheriadis, C./ Savvidis, I./ Furman, W./ Haas, B./ Haight, R./ Reifarth, R./ Igashira, M./ Koehler, P./ Kossionides, E./ Lampoudis, C./ Lazano, M./ Quesada, J./ Massimi, C./ Vannini, G./ Mengoni, A./ Oshima, M./ Papadopoulos, C./ Pavlik, A./ Pavlopoulos, P./ Vlastou, R./ Rauscher, T./ Rubbia, C./ Rullhusen, P./ Salgado, J./ Santos, C./ Tavora, L./ Vaz, P./ Ventura, A./ n TOF Collaboration

The CERN Neutron Time-Of-Flight (n_TOF) facility is well suited to measure small neutron-induced fission cross sections, as those of subactinides. The cross section ratios of (nat)Pb and (209)Bi relative to (235)U and (238)U were measured using PPAC detectors. The fragment coincidence method allows to unambiguously identify the fission events. The present experiment provides the first results for neutron-induced fission up to 1 GeV for (nat)Pb and (209)Bi. A good agreement with previous experimental data below 200 MeV is shown. The comparison with proton-induced fission indicates that the limiting regime where neutron-induced and proton-induced fission reach equal cross section is close to 1 GeV.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών
Keywords: nuclear data,neutron-induced fission reactions,pb-nat(n,f),bi-209(n,f),spallation neutron source,n_tof facility
URI: https://olympias.lib.uoi.gr/jspui/handle/123456789/16026
ISSN: 0374-4884
Link: <Go to ISI>://000294080700109
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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