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Title: | Determination of the nuclear level densities and radiative strength function for 43 nuclei in the mass interval 28≤A≤200 | Authors: | Knežević, Dejan Jovančević, Nikola Sukhovoj A. Mitsyna L. Krmar, Miodrag Cong V. Hambsch F. Oberstedt S. Revay Z. Stieghorst C. Dragic A. |
Issue Date: | 6-Mar-2018 | Journal: | EPJ Web of Conferences | Abstract: | © The Authors, published by EDP Sciences. The determination of nuclear level densities and radiative strength functions is one of the most important tasks in low-energy nuclear physics. Accurate experimen-tal values of these parameters are critical for the study of the fundamental properties of nuclear structure. The step-like structure in the dependence of the level densities ρ on the excitation energy of nuclei Eex is observed in the two-step gamma cascade measurements for nuclei in the 28 ≤ A ≤200 mass region. This characteristic structure can be explained only if a co-existence of quasi-particles and phonons, as well as their interaction in a nucleus, are taken into account in the process of gamma-decay. Here we present a new improvement to the Dubna practical model for the determination of nuclear level densities and radiative strength functions. The new practical model guarantees a good description of the available intensities of the two step gamma cascades, comparable to the experimental data accuracy. | URI: | https://open.uns.ac.rs/handle/123456789/1730 | ISBN: | 9782759890316 | ISSN: | 21016275 | DOI: | 10.1051/epjconf/201816900007 |
Appears in Collections: | PMF Publikacije/Publications |
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