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

### From inside the book

Results 1-3 of 7

Page 113

01„) dr = 10F0 = Tr ( V) . Since the whole of the strength of the

has gone into this state, all the other states must have the unperturbed energy e.

Similarly, if each unperturbed state carries the same y-ra,j absorption amplitude ...

01„) dr = 10F0 = Tr ( V) . Since the whole of the strength of the

**residual interaction**has gone into this state, all the other states must have the unperturbed energy e.

Similarly, if each unperturbed state carries the same y-ra,j absorption amplitude ...

Page 182

When the

spectrum of two-particle states results. These are high-frequency states. Namely,

only the states of high excitation can be identified as occurring in the physical

system ...

When the

**residual interaction**between the two particles is diagonalized, aspectrum of two-particle states results. These are high-frequency states. Namely,

only the states of high excitation can be identified as occurring in the physical

system ...

Page 185

... imply that a diagonalization of the

summation of graphs has been carried out. They, the quasi-particles, and their

spectra furnish a convenient representation of certain collective nuclear motions.

Owing to ...

... imply that a diagonalization of the

**residual interaction**or that a partialsummation of graphs has been carried out. They, the quasi-particles, and their

spectra furnish a convenient representation of certain collective nuclear motions.

Owing to ...

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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