Quasi-free (p,2p) reactions in inverse kinematics for studying the fission yield dependence on temperature

A. Graña-González, J.L. Rodríguez-Sánchez, J. Benlliure, G. García-Jiménez, H. Alvarez-Pol, D. Cortina-Gil, L. Atar, L. Audouin, G. Authelet, A. Besteiro, G. Blanchon, K. Boretzky, P. Cabanelas, E. Casarejos, J. Cederkall, A. Chatillon, A. Corsi, M. Feijoo, D. Galaviz, I. GasparicR. Gernhäuser, M. Heil, A. Heinz, M. Holl, T. Jenegger, L. Ji, H.T. Johansson, O.A. Kiselev, P. Klenze, A. Knyazev, D. Körper, T. Kröll, I. Lihtar, Y.A. Litvinov, B. Löher, P. Morfouace, D. Mücher, S. Murillo Morales, A. Obertelli, V. Panin, J. Park, S. Paschalis, A. Perea, M. Petri, S. Pirrone, L. Ponnath, A. Revel, H.-B. Rhee, L. Rose, D.M. Rossi, P. Russotto, H. Simon, A. Stott, Y. Sun, C. Sürder, J. Taieb, R. Taniuchi, O. Tengblad, H.T. Törnqvist, S. Velardita, J. Vesic, B. Voss

    Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingpeer-review

    Abstract

    Despite the recent experimental and theoretical progress in the investigation of the nuclear fission process, a complete description still represents a challenge in nuclear physics because it is a very complex dynamical process, whose description involves the coupling between intrinsic and collective degrees of freedom, as well as different quantum-mechanical phenomena. To improve on the existing data on nuclear fission, we produce fission reactions of heavy nuclei in inverse kinematics by using quasi-free (p,2p) scattering, which induce fission through particle-hole excitations that can range from few to ten's of MeV. The measurement of the four-momenta of the two outgoing protons allows to reconstruct the excitation energy of the fissioning compound nucleus and therefore to study the evolution of the fission yields with temperature. The realization of this kind of experiment requires a complex experimental setup, providing full isotopic identification of both fission fragments and an accurate measurement of the momenta of the two outgoing protons. This was realized recently at the GSI/FAIR facility and here some preliminary results are presented.
    Original languageEnglish
    Title of host publicationFAIR next generation scientists - 7th Edition Workshop
    Subtitle of host publicationFAIRness2022
    Number of pages6
    Volume419
    DOIs
    Publication statusPublished - 2023 Jun 19

    Publication series

    NameProceedings of Science
    PublisherSissa Medialab srl
    ISSN (Electronic)1824-8039

    Subject classification (UKÄ)

    • Subatomic Physics

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