## Proceedings of the International School of Physics "Enrico Fermi.", Volume 69N. Zanichelli, 1977 - Nuclear physics |

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Page 110

Nuclear field

elementary modes of excitation play the role of the free fields and in which their

mutual interweaving takes place through the particle - vibration coupling vertices

[ 6 , 54 ...

Nuclear field

**theory**. A field**theory**can be formulated in which the nuclearelementary modes of excitation play the role of the free fields and in which their

mutual interweaving takes place through the particle - vibration coupling vertices

[ 6 , 54 ...

Page 113

of restrictions as compared with the usual rules of perturbation

be utilized in evaluating the effect of the original interaction ( 6 . 3 ) acting in a

fermion space . They read as follows : I ) In initial and final states , proper

diagrams ...

of restrictions as compared with the usual rules of perturbation

**theory**that are tobe utilized in evaluating the effect of the original interaction ( 6 . 3 ) acting in a

fermion space . They read as follows : I ) In initial and final states , proper

diagrams ...

Page 121

16 ) ) . Thus , there are only 2 – 1 states which can be normalized when solving

the Hamiltonian ( 7 . 1 ) in the framework of the nuclear field

spuriosity of the elementary - mode product basis is concentrated in a single state

( * ) ...

16 ) ) . Thus , there are only 2 – 1 states which can be normalized when solving

the Hamiltonian ( 7 . 1 ) in the framework of the nuclear field

**theory**. The fullspuriosity of the elementary - mode product basis is concentrated in a single state

( * ) ...

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### Contents

A BOHR Some aspects of rotational motion | 3 |

B R MOTTELSON Elementary excitations in the nucleus | 42 |

R BÉs and R A BROGLIA Nuclear superfluidity | 55 |

Copyright | |

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addition angular momentum appears approximation associated backbending band calculated closed collective compared comparison components configurations considered contributions corresponding coupling cross-sections deformation density dependence describe determined discussed distribution effects electron equations estimate evidence example excitation energy expected experiment experimental expression fact factor field given gives ground Hamiltonian hole included increase indicate inertia interaction Lett levels limit mass matrix elements measured modes moments motion neutron Nucl nuclear nuclei nucleons observed obtained operator orbits oscillator pairing parameters particle particular peak Phys physical possible potential predictions present processes protons quadrupole reaction region relation relative resonance respect rotational rule scattering seen shape shell model shown in fig shows simple single single-particle space spectra spectrum strength structure surface symmetry theory tion transfer transition values vibrational wave functions