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

### From inside the book

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Page 65

It is possible in principle to overcome this difficulty by introducing additional

quantum numbers such as permutation

practice only small numbers of particles have been treated. As an example let's

take "O ...

It is possible in principle to overcome this difficulty by introducing additional

quantum numbers such as permutation

**symmetry**, seniority etc. However inpractice only small numbers of particles have been treated. As an example let's

take "O ...

Page 84

... (Xfi) describe the intrinsic state of an axially

independent particles in a deformed well. ... the quadrupole distortion of the well,

whereas the latter is the projection of the angular momentum on the

axis.

... (Xfi) describe the intrinsic state of an axially

**symmetric**rotator composed ofindependent particles in a deformed well. ... the quadrupole distortion of the well,

whereas the latter is the projection of the angular momentum on the

**symmetry**axis.

Page 97

Since this force preserves space

the sub-space of maximum

since the lower space

Since this force preserves space

**symmetry**it was sufficient to diagonalize it overthe sub-space of maximum

**symmetry**[4] in order to find ... This is not suprisingsince the lower space

**symmetries**are clearly very important in the excited bands.### 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