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

### From inside the book

Results 1-3 of 16

Page 40

Now H, Jf, and all operators of

and their expectation values are the sums of contributions from each component

with a fixed particle number. Consider the component with A particles in W0.

Now H, Jf, and all operators of

**physical**interest conserve the number of particles,and their expectation values are the sums of contributions from each component

with a fixed particle number. Consider the component with A particles in W0.

Page 118

(W) represents the number of levels per unit energy at energy W. The matrix

element 1 a\ \ has a simple

ground state; the a* creates a particle in the single-particle state k. This matrix

element ...

(W) represents the number of levels per unit energy at energy W. The matrix

element 1 a\ \ has a simple

**physical**meaning. The !f* is the**physical**, interactingground state; the a* creates a particle in the single-particle state k. This matrix

element ...

Page 182

These are characterized by a pair of shell model creation operators which act

upon the

two particles is diagonalized, a spectrum of two-particle states results. These are

...

These are characterized by a pair of shell model creation operators which act

upon the

**physical**vacuum (i.e., 6,Ni). When the residual interaction between thetwo particles is diagonalized, a spectrum of two-particle states results. These are

...

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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 | |

1 other sections not shown

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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