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

### From inside the book

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Page 179

You recall that the multiple scattering corrections to the

important whenever the mean free path against absorption, Ac, is *.(*)= (hl\Y)[(

Ek+ V)l2Mf, large in comparison with the nuclear radius, J? (seeeq. (76) for

notation) (*).

You recall that the multiple scattering corrections to the

**optical potential**areimportant whenever the mean free path against absorption, Ac, is *.(*)= (hl\Y)[(

Ek+ V)l2Mf, large in comparison with the nuclear radius, J? (seeeq. (76) for

notation) (*).

Page 184

More importantly, the

In particular, as Shaw has told us a long time ago, the imaginary part of the

potential suffers the greatest alteration. That we characterize the resonant part of

the ...

More importantly, the

**optical potential**will be corrected by these resonant terms.In particular, as Shaw has told us a long time ago, the imaginary part of the

potential suffers the greatest alteration. That we characterize the resonant part of

the ...

Page 185

The quasi-particle states are created by, and in the presence of, the nucleon in

the

the added nucleon. This will take place whenever it scatters from its initial optical

...

The quasi-particle states are created by, and in the presence of, the nucleon in

the

**optical potential**state. A significant change can occur in the self-energy forthe added nucleon. This will take place whenever it scatters from its initial optical

...

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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