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This work examines the excitation of anomalous parity levels 1^+ in some light and medium nuclei with filled or partially filled shells. Nuclei {12}^C, {16}^O, {18}^O, {28}^Si, {48}^Ca are considered. The wave functions of excited states were calculated within the framework of the shell model using the NuShellX program [1]. Within the framework of this program, the calculation of excited states is performed taking into account the connection between the proton and neutron components of the nucleus. In addition, using this program, single-particle transition densities of the considered excitations were also calculated. Wave functions are tested using the values of the reduced probabilities B(M1) of radiation transitions, as well as when describing the differential cross sections of inelastic scattering in the reactions (p,p') and (e,e') with excitation of the levels under consideration. The fragmentation of the strength of the magnetic dipole transition is studied, as well as the contribution of the spin excitation component in the transitions under consideration.
- B. A. Brown and W. D. M. Rae, The Shell-Model Code NuShellX. Nuclear Data Sheets 120, 115 (2014).
| Section | Nuclear structure: theory and experiment |
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