Many-body Description of Nuclear Structure and Reactions, Volume 36

angular momentum antisymmetrized approximation assume calculations Casimir operator closed shell closed-shell commutation configurations consider corresponding coupling defined deformed denotes density matrix diagonal diagrams effective field eigenfunctions eigenstates eigenvalues equation excitation expansion experimental expression external field Fermi level given gives graphs Green function ground-state Hamiltonian Hartree-Fock hole integral introduce isospin isotopes matrix elements method multipole neutron normal Nucl nuclear nuclei nucleons number of particles obtain occupation numbers one-body operator orbit pair correlation pairing force parameters parity particle-hole pair perturbation Phys potential properties protons quadrupole quantity quantum numbers quasi-particle Rendiconti S.I.F. representation residual interaction rotational scattering Sect secular problem self-consistent shell-model simple Slater determinants solution space spherical spin spin-orbit symmetry t₁ tensor theory transformation transition amplitude transition rates two-body unperturbed vacuum values vector wave functions zero