Nuclear Dynamics and Reactions in the Ab Initio Symmetry-Adapted Framework
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA,; OSTI
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA,; Center for Theoretical Physics, Sloane Physics Laboratory, Yale University, New Haven, Connecticut 06520, USA
- Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA,; Nuclear Physics Institute of the Czech Academy of Sciences, 250 68 Řež, Czech Republic
We review the ab initio symmetry-adapted (SA) framework for determining the structure of stable and unstable nuclei, along with related electroweak, decay, and reaction processes. This framework utilizes the dominant symmetry of nuclear dynamics, the shape-related symplectic [Formula: see text] symmetry, which has been shown to emerge from first principles and to expose dominant degrees of freedom that are collective in nature, even in the lightest species or seemingly spherical states. This feature is illustrated for a broad scope of nuclei ranging from helium to titanium isotopes, enabled by recent developments of the ab initio SA no-core shell model expanded to the continuum through the use of the SA basis and that of the resonating group method. The review focuses on energies, electromagnetic transitions, quadrupole and magnetic moments, radii, form factors, and response function moments for ground-state rotational bands and giant resonances. The method also determines the structure of reaction fragments that is used to calculate decay widths and α-capture reactions for simulated X-ray burst abundance patterns, as well as nucleon–nucleus interactions for cross sections and other reaction observables.
- Research Organization:
- Yale Univ., New Haven, CT (United States); Univ. of California, Oakland, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- SC0019521; AC02-05CH11231
- OSTI ID:
- 1853354
- Journal Information:
- Annual Review of Nuclear and Particle Science, Journal Name: Annual Review of Nuclear and Particle Science Journal Issue: 1 Vol. 71; ISSN 0163-8998
- Publisher:
- Annual Reviews
- Country of Publication:
- United States
- Language:
- English
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