Fission-fragment yields and prompt-neutron multiplicity for Coulomb-induced fission of $^{234,235}\mathrm{U}$ and $^{237,238}\mathrm{Np}$
- Martin, J.-F.
- Taïeb, J.
- Boutoux, G.
- Chatillon, A.
- Gorbinet, T.
- Pellereau, E.
- Audouin, L.
- Heinz, A.
- Alvarez-Pol, H.
- Ayyad, Y.
- Bélier, G.
- Benlliure, J.
- Caamaño, M.
- Casarejos, E.
- Cortina-Gil, D.
- Ebran, A.
- Farget, F.
- Fernández-Domínguez, B.
- Grente, L.
- Johansson, H.T.
- Jurado, B.
- Kelić-Heil, A.
- Kurz, N.
- Laurent, B.
- Nociforo, C.
- Paradela, C.
- Pietri, S.
- Prochazka, A.
- Rodríguez-Sánchez, J.L.
- Rossi, D.
- Simon, H.
- Tassan-Got, L.
- Vargas, J.
- Voss, B.
- Weick, H.
DOIAbstract
International audienceLow-energy fission of U234,235 and Np237,238 radioactive beams, provided by the Fragment Separator (FRS) of the GSI Helmholtzzentrum für Schwerionenforschung facility (GSI), has been studied using the Reactions with Relativistic Radioactive Beams / Studies on Fission with Aladin (R3B/SOFIA) setup. The latter allows us, on an event-by-event basis, to simultaneously identify, in terms of their mass and atomic numbers, the fissioning nucleus in coincidence with both fission fragments after prompt-neutron emission. This article reports new results on elemental, isotonic, isobaric, and isotopic yields. Moreover, the high accuracy of our data allowed us to study in detail proton even-odd staggering, from elemental yields; ne...
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