First inverse-kinematics fission measurements in a gaseous active target

The fission of a variety of actinides was induced by fusion and transfer reactions between a 238U beam and 12C nuclei, in the active target MAYA. The performance of MAYA was studied, as well as its capability to reconstruct the fission-fragment trajectories. Furthermore, a full characterization of t...

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Veröffentlicht in:Nuclear physics. A 2017-02, Vol.958, p.246-265
Hauptverfasser: Rodríguez-Tajes, C., Farget, F., Acosta, L., Alvarez-Pol, H., Babo, M., Boulay, F., Caamaño, M., Damoy, S., Fernández-Domínguez, B., Galaviz, D., Grinyer, G.F., Grinyer, J., Harakeh, M.N., Konczykowski, P., Martel, I., Pancin, J., Randisi, G., Renzi, F., Roger, T., Sánchez-Benítez, A.M., Teubig, P., Vandebrouck, M.
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Sprache:eng
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Zusammenfassung:The fission of a variety of actinides was induced by fusion and transfer reactions between a 238U beam and 12C nuclei, in the active target MAYA. The performance of MAYA was studied, as well as its capability to reconstruct the fission-fragment trajectories. Furthermore, a full characterization of the different transfer reactions was achieved, and the populated excitation-energy distributions were investigated as a function of the kinetic energy in the entrance channel. The ratio between transfer- and fusion-induced fission cross-sections was also determined, in order to investigate the competition between both reaction types and its evolution with the incident energy. The experimental results will be discussed with a view to forthcoming radioactive-ion beam facilities, and next-generation active-target setups.
ISSN:0375-9474
1873-1554
DOI:10.1016/j.nuclphysa.2016.12.003