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Isobaric analog state energy in deformed nuclei: A toy model

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A formula to evaluate the effects of a general deformation on the Coulomb direct contribution to the energy of the isobaric analog state (IAS) is presented and studied via a simple yet physical model. The toy model gives a reasonable account of microscopic deformed Hartree-Fock-Bogoliubov (HFB) calculations in a test case, and provides a guidance when predicting unknown IAS energies. Thus, deformed HFB calculations, to predict the IAS energies, are performed for several neutron-deficient medium-mass and heavy nuclei which are now planned to be studied experimentally.

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ROCA MAZA, Xavier, SAGAWA, Hiroyuki and COLÒ, Gianluca. Isobaric analog state energy in deformed nuclei: A toy model. Physical Review C. 2020. ISSN 2469-9985. [consulted: 7 of September of 2026]. Available at: https://hdl.handle.net/2445/215477

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