Isospin Non-Conservation in Shell Model Approach and Applications

Up to now, empirical shell-model Hamiltonians for valence space calculations provide the most accurate description of the low-energy spectra and individual transitions of sd - and pf -shell nuclei. These features made them of particular importance for the description of the isospin-symmetry-breaking...

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Bibliographic Details
Main Authors: Lam, Yi Hua, Smirnova, Nadezda A.
Format: Conference Proceeding
Language:English
Subjects:
Energy spectra
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Summary:Up to now, empirical shell-model Hamiltonians for valence space calculations provide the most accurate description of the low-energy spectra and individual transitions of sd - and pf -shell nuclei. These features made them of particular importance for the description of the isospin-symmetry-breaking phenomena, such as energy splitting of the isobaric multiplets or isospin-forbidden transition rates. In this contribution, we demonstrate the applications of a recently constructed isospin non-conserving (INC) Hamiltonian in sd shell [Lam et al. Phys. Rev. C 87, 054304 (2013)]. First, we explore the partial decay scheme of 24 Si and discuss the states affected by the Thomas-Ehrman shift. Second, we show the accuracy of the INC Hamiltonian for the description of the mirror energy differences.
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/201817805006