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        Study of Photon Strength Function of Actinides : the Case of U-235, Np-238 and Pu-241

        Author
        Guerrero, C.
        Alvarez-Velarde, F.
        Cano-Ott, D.
        Martinez, T.
        Mendoza, E.
        Villamarin, D.
        Colonna, N.
        Meaze, M. H.
        Marrone, S.
        Tagliente, G.
        Terlizzi, R.
        Belloni, F.
        Abbondanno, U.
        Fujii, K.
        Milazzo, P. M.
        Moreau, C.
        Aerts, G.
        Berthoumieux, E.
        Dridi, W.
        Gunsing, F.
        Pancin, J.
        Perrot, L.
        Plukis, A.
        Alvarez, H.
        Duran, I.
        Paradela, C.
        Andriamonje, S.
        Calviani, M.
        Chiaveri, E.
        Gonzalez-Romero, E.
        Kadi, Y.
        Vicente, M. C.
        Vlachoudis, V.
        Andrzejewski, J.
        Marganiec, J.
        Assimakopoulos, P.
        Karadimos, D.
        Karamanis, D.
        Papachristodoulou, C.
        Patronis, N.
        Audouin, L.
        David, S.
        Ferrant, L.
        Isaev, S.
        Stephan, C.
        Tassan-Got, L.
        Badurek, G.
        Jericha, E.
        Leeb, H.
        Rauscher, T.
        N TOF Collaboration
        Attention
        2299/10504
        Abstract
        The decay from excited levels in medium and heavy nuclei can be described in a statistical approach by means of Photon Strength Functions and Level Density distributions. The study of electromagnetic cascades following neutron capture based on the use of high efficiency detectors has been shown to be well suited for probing the properties of the Photon Strength Function of heavy (high level density) and/or radioactive (high background) nuclei. In this work we have investigated for the first time the validity of the recommended PSF of actinides, in particular U-235, Np-238 and Pu-241. Our study includes the search for resonance structures in the PSF below S-n and draws conclusions regarding their existence and their characteristics in terms of energy, width and electromagnetic nature.
        Publication date
        2011-08-11
        Published in
        Journal of the Korean Physical Society
        Published version
        https://doi.org/10.3938/jkps.59.1510
        Other links
        http://hdl.handle.net/2299/10504
        Metadata
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