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

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Page 76

Pairing phase

modes of excitation , changes of coupling scheme from the sphericalphonon

scheme to the deformed - rotational scheme take place in different regions of the

mass ...

Pairing phase

**transitions**. - In the case of the quadrupole surface elementarymodes of excitation , changes of coupling scheme from the sphericalphonon

scheme to the deformed - rotational scheme take place in different regions of the

mass ...

Page 225

The same general method can be applied for

spectrum corresponding to angular ... Provided there is a monotonic increase of

energy ...

The same general method can be applied for

**transitions**in a region of thespectrum corresponding to angular ... Provided there is a monotonic increase of

**transition**energy with spin ( no backbending ) , a spin value for each**transition**energy ...

Page 310

For example , we are concerned with obtaining from an experimental cross -

section some measure of the intrinsic strength of the

reduced

a ...

For example , we are concerned with obtaining from an experimental cross -

section some measure of the intrinsic strength of the

**transition**, such as a B ( EL )reduced

**transition**probability or a « deformation parameter » Bu , which ideally isa ...

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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 | |

28 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 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