## Proceedings of the International School of Physics "Enrico Fermi.", Volume 23N. Zanichelli, 1963 - Nuclear physics |

### From inside the book

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Page 103

We denote the ground state of the nucleus by |0> and treat it as the physical

vacuum, again referring to absent particles as

excitations of definite angular momentum L can now be described as (4) \phy = J

...

We denote the ground state of the nucleus by |0> and treat it as the physical

vacuum, again referring to absent particles as

**holes**. Unperturbed particle-**hole**excitations of definite angular momentum L can now be described as (4) \phy = J

...

Page 131

so that the term 0^1 — 02) signifies that in the particle-

, 1 is a particle and 2 a

1 as a

so that the term 0^1 — 02) signifies that in the particle-

**hole**excitation arriving at <, 1 is a particle and 2 a

**hole**, whereas the 02(1 — 0,) part describes the arrival of1 as a

**hole**and 2 as a particle. These two possibilities are shown in b) and c) of ...Page 182

system in its ground state, we select the following target configurations: (i) a

single particle outside of a closed shell, e,g., "Ni with configuration (1/j)8 (2pt), (ii)

a single

system in its ground state, we select the following target configurations: (i) a

single particle outside of a closed shell, e,g., "Ni with configuration (1/j)8 (2pt), (ii)

a single

**hole**in an otherwise filled sub-shell, e.g., 65Ni with (lp?)4 (1/j)5, (iii) the ...### What people are saying - Write a review

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### Contents

Lectures | 1 |

G E Brown Collective motion and the application of manybody | 99 |

T Ep icson The compound nucleus and the random phase approximation | 142 |

Copyright | |

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### Common terms and phrases

amplitude approximation assume calculated closed shells coefficients commutation compound configuration consider corresponding coupling cross-section define deformed describe determined diagonal dipole dipole strength discuss eigenfunctions eigenstate eigenvalues electron equation excitation energy expectation value experimental factor force gives Green's function ground Hamiltonian harmonic oscillator Hartree-Fock hermitian adjoint hole hyperfine-structure intrinsic irreducible representation isobaric spin isospin isotope shift large number lecture levels linear magnetic matrix elements Ml transitions Mottelson multipole neutron nuclear charge distribution nucleon nucleus number of particles obtained one-particle operator operator F optical potential orbitals orthogonal pair parameters particle-hole interaction perturbation theory Phys physical problem proton quadrupole qualitative quantum number quasi-particle random relation residual interaction resonant rotation rotation group scattering self-consistent shell-model shown single-particle solution spectrum spherical symmetry time-dependent tion total angular momentum two-body two-particle unperturbed variation vector vibrations wave function wave-functions width y-ray zero