EPJ Web Conf.
Volume 252, 2021HINPw6 – Hellenic Institute of Nuclear Physics; 6th International Workshop; Perspectives on Nuclear Physics; From Fundamentals to Applications
|Number of page(s)||6|
|Published online||10 September 2021|
Connecting the proxy-SU(3) symmetry to the shell model
1 Institute of Nuclear and Particle Physics, National Centre of Scientific Research “Demokritos”, GR-15310 Aghia Paraskevi Attiki, Greece
2 Institute of Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, 72 Tzarigrad Road, 1784 Sofia, Bulgaria
Published online: 10 September 2021
Proxy-SU(3) symmetry is an approximation scheme extending the Elliott SU(3) algebra of the sd shell to heavier shells. When introduced in 2017, the approximation had been justified by calculations carried out within the Nilsson model. Recently our group managed to map the cartesian basis of the Elliott SU(3) model onto the spherical shell model basis, proving that the proxy-SU(3) approximation corresponds to the replacement of the intruder orbitals by their de Shalit-Goldhaber partners, paving the way for using the proxy-SU(3) approximation in shell model calculations. The connection between the proxy-SU(3) scheme and the spherical shell model has also been worked out in the original framework of the Nilsson model, with identical results.
© The Authors, published by EDP Sciences, 2021
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