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  2. Nuclear shell model - Wikipedia

    en.wikipedia.org/wiki/Nuclear_shell_model

    A model derived from the nuclear shell model is the alpha particle model developed by Henry Margenau, Edward Teller, J. K. Pering, T. H. Skyrme, also sometimes called the Skyrme model. [ 8 ] [ 9 ] Note, however, that the Skyrme model is usually taken to be a model of the nucleon itself, as a "cloud" of mesons (pions), rather than as a model of ...

  3. File:S41467-021-24920-0.pdf - Wikipedia

    en.wikipedia.org/wiki/File:S41467-021-24920-0.pdf

    Second, it comprises fundamental aspects of both quantum tunnelling as well as the coupling of (quasi)bound quantum states with the continuum in mesoscopic systems such as the atomic nucleus. Theoretical approaches can start either from bound-state nuclear shell-model theory or from resonance scattering.

  4. Nilsson model - Wikipedia

    en.wikipedia.org/wiki/Nilsson_model

    The Nilsson model is a nuclear shell model treating the atomic nucleus as a deformed sphere. In 1953, the first experimental examples were found of rotational bands in nuclei, with their energy levels following the same J(J+1) pattern of energies as in rotating molecules.

  5. Woods–Saxon potential - Wikipedia

    en.wikipedia.org/wiki/Woods–Saxon_potential

    Woods–Saxon potential for A = 50, relative to V 0 with a = 0.5 fm and =. The Woods–Saxon potential is a mean field potential for the nucleons (protons and neutrons) inside the atomic nucleus, which is used to describe approximately the forces applied on each nucleon, in the nuclear shell model for the structure of the nucleus.

  6. Magic number (physics) - Wikipedia

    en.wikipedia.org/wiki/Magic_number_(physics)

    In the shell model for the nucleus, magic numbers are the numbers of nucleons at which a shell is filled. For instance, the magic number 8 occurs when the 1s 1/2 , 1p 3/2 , 1p 1/2 energy levels are filled, as there is a large energy gap between the 1p 1/2 and the next highest 1d 5/2 energy levels.

  7. Atomic nucleus - Wikipedia

    en.wikipedia.org/wiki/Atomic_nucleus

    Problems with the shell model have led some to propose realistic two-body and three-body nuclear force effects involving nucleon clusters and then build the nucleus on this basis. Three such cluster models are the 1936 Resonating Group Structure model of John Wheeler, Close-Packed Spheron Model of Linus Pauling and the 2D Ising Model of ...

  8. Shell model - Wikipedia

    en.wikipedia.org/wiki/Shell_model

    Shell model can mean: Nuclear shell model , how protons and neutrons are arranged in an atom nucleus Electron shell , how electrons are arranged in an atom or molecule

  9. Valley of stability - Wikipedia

    en.wikipedia.org/wiki/Valley_of_stability

    The valley of stability can be helpful in interpreting and understanding properties of nuclear decay processes such as decay chains and nuclear fission. The uranium-238 series is a series of α (N and Z less 2) and β− decays (N less 1, Z plus 1) to nuclides that are successively deeper into the valley of stability.