SpNCCI computes nuclear Hamiltonian matrix elements directly in Sp(3,R) many-body irreps via recurrence relations after decomposing operators into U(3) tensor components.
Wigner, Phys
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The ground state of 17Na decays by three-proton emission at 2.24 MeV via a sequential path through 16Ne, and mirror energy differences decrease systematically in 3p emitters, indicating enhanced isospin symmetry breaking.
Alpha clustering in 16O and 20Ne suppresses initial spin fluctuations in relativistic collisions, with a scaled ratio of fluctuations between the two systems proposed as a probe of cluster geometry.
A minimal SU(4)-invariant two-body attraction plus local three-body repulsion, implemented via generator coordinate method, describes alpha clustering and mitigates structural tension between 12C and 16O ground states.
citing papers explorer
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Symplectic no-core configuration interaction framework for nuclear structure
SpNCCI computes nuclear Hamiltonian matrix elements directly in Sp(3,R) many-body irreps via recurrence relations after decomposing operators into U(3) tensor components.
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Ground State Decay of the Three-Proton Emitter $^{17}$Na Reveals Isospin Symmetry Breaking
The ground state of 17Na decays by three-proton emission at 2.24 MeV via a sequential path through 16Ne, and mirror energy differences decrease systematically in 3p emitters, indicating enhanced isospin symmetry breaking.
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Initial spin fluctuations as a probe of cluster spin structure in $^{16}\mathrm{O}$ and $^{20}\mathrm{Ne}$ nuclei
Alpha clustering in 16O and 20Ne suppresses initial spin fluctuations in relativistic collisions, with a scaled ratio of fluctuations between the two systems proposed as a probe of cluster geometry.
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Minimal Wigner-$SU(4)$ Interaction in Microscopic Cluster Models for $\alpha$-Conjugate Nuclei
A minimal SU(4)-invariant two-body attraction plus local three-body repulsion, implemented via generator coordinate method, describes alpha clustering and mitigates structural tension between 12C and 16O ground states.