4.5 Article

Nuclear spectra from low-energy interactions

期刊

PHYSICAL REVIEW C
卷 106, 期 1, 页码 -

出版社

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.106.014314

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资金

  1. Knut and Alice Wallenberg Foundation [KAW 2015.0021]
  2. Crafoord foundation
  3. Swedish Research Council [2020-03721]
  4. Swedish Research Council [2020-03721] Funding Source: Swedish Research Council

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A method is explored to describe spectra using nuclear density functionals. This method postulates an effective Hamiltonian that reproduces the stiffness of collective modes, and provides a mapping from density functional to Hamiltonian. The effectiveness of the method is demonstrated by applying it to Cr-48, Cr-49, Cr-50, Cr-52, and Mg-24.
A method to describe spectra starting from nuclear density functionals is explored. The idea is based on postulating an effective Hamiltonian that reproduces the stiffness associated with collective modes. The method defines a simple form of such an effective Hamiltonian and a mapping to go from a density functional to the corresponding Hamiltonian. In order to test the method, the Hamiltonian is constrained using a Skyrme functional and solved with the generator-coordinate method to describe low-lying levels and electromagnetic transitions in Cr-48,Cr-49,Cr-50,Cr-52 and Mg-24.

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