RAMOS, D.; CAAMAÑO, M.; LEMASSON, A.; REJMUND, M.; AUDOUIN, L.; ALVAREZ-POL, H.; FRANKLAND, J.D.; FERNÁNDEZ-DOMÍNGUEZ, B.; GALIANA-BALDÓ, E.; PIOT, J.; ACKERMANN, D.; BISWAS, S.; CLÉMENT, E.; DURAND, D.; FARGET, F.; FRÉGEAU, M.O.; GALAVIZ, D.; HEINZ, A.; HENRIQUES, A.I.; JACQUOT, B.; JURADO, B.; KIM, Y.H.; MORFOUACE, P.; RALET, D.; ROGER, T.; SCHMITT, C.; TEUBIG, P.; TSEKHANOVICH, I.

doi:10.1103/PhysRevC.101.034609

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RAMOS, D.
Grand Accélérateur National d'Ions Lourds [GANIL]
Institut de Physique Nucléaire d'Orsay [IPNO]

CAAMAÑO, M.

LEMASSON, A.
Grand Accélérateur National d'Ions Lourds [GANIL]

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Phys.Rev.C. 2020, vol. 101, n° 3, p. 034609

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The simultaneous measurement of the isotopic fission-fragment yields and fission-fragment velocities of U239 has been performed for the first time. The U239 fissioning system was produced in one-neutron transfer reactions between a U238 beam at 5.88 MeV/nucleon and a Be9 target. The combination of inverse kinematics at low energy and the use of the VAMOS++ spectrometer at the GANIL facility allows the isotopic identification of the full fission-fragment distribution and their velocity in the reference frame of the fissioning system. The proton and neutron content of the fragments at scission, their total kinetic and total excitation energy, as well as the neutron multiplicity were determined. Information from the scission point configuration is obtained from these observables and the correlation between them. The role of the octupole-deformed proton and neutron shells in the fission-fragment production is discussed.< Leer menos

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Nuclear Reactions

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Scission configuration of $^{239}$U from yields and kinetic information of fission fragments

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