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

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Page vi

Exact many - body solution of the

Exact many - body solution of the

**pairing**interaction pag . 13. Empirical evidence on**pairing**bands . 14. Collective interpretation of the**pairing**bands . 1.5 . The intrinsic wave function of a**pairing**rotational band . . 2.Page 76

**Pairing**phase transitions . - In the case of the quadrupole surface elementary modes of excitation , changes of coupling scheme from the sphericalphonon scheme to the deformed - rotational scheme take place in different regions of the ...Page 88

lost , the two - quasi - particle states ( 1 , 2 = ( -1 ) ^ ) are correlated by both the multipole

lost , the two - quasi - particle states ( 1 , 2 = ( -1 ) ^ ) are correlated by both the multipole

**pairing**and the particle - hole interaction ( TM ) . However , because of the conservation of angular momentum , the BCS**pairing**gap ...### What people are saying - Write a review

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### Contents

Rotational degrees of freedom Deformation and | 3 |

86 | 8 |

the framework of a course such as the present The topics selected by | 10 |

Copyright | |

41 other sections not shown

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### Common terms and phrases

addition angular momentum appears approximation associated backbending band calculated closed collective compared comparison components configurations consider 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 motion neutron Nucl nuclear nuclei nucleons observed obtained operator orbits oscillator pairing parameters particle particular peak Phys physical possible potential predictions present processes proton 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 strong structure surface symmetry theory tion transfer transition values vibrational wave functions