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

### From inside the book

Results 1-3 of 31

Page 194

anomaly around spin 16 in the rotational energy level spacings of several rare -

earth nuclei . This behavior was called

...

**Backbending**. In 1971 JOHNSON , RYDE and SZTARKIER [ 1 ] found a distinctanomaly around spin 16 in the rotational energy level spacings of several rare -

earth nuclei . This behavior was called

**backbending**and there was considerable...

Page 201

Thus ,

... instead of an 113 / 2 neutron , the above interference would not occur , and the

hg ; a band would be expected to

Thus ,

**backbending**in such a nucleus would only occur at higher spin values , if... instead of an 113 / 2 neutron , the above interference would not occur , and the

hg ; a band would be expected to

**backbend**like its even - even neighbors .Page 211

including centrifugal , Coriolis and asymmetry interactions , and investigated

what limitations this imposes on the K value of the band causing

They tested the quality of the fit to the 156 Dy spectrum of fig . 39 obtained by

allowing ...

including centrifugal , Coriolis and asymmetry interactions , and investigated

what limitations this imposes on the K value of the band causing

**backbending**.They tested the quality of the fit to the 156 Dy spectrum of fig . 39 obtained by

allowing ...

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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