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

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Page 89

In this case we can distinguish , as in the case of closed - shell systems , between two groups of single - particle

In this case we can distinguish , as in the case of closed - shell systems , between two groups of single - particle

**levels**which are uncoupled from each other . In the closed - shell system ( ii H ( 20 ) | i ' i ' ) has similar values ...Page 358

The matrix elements that completely determine all energy

The matrix elements that completely determine all energy

**levels**are thus ( j'J \ V \ j2J ) = V , for J = 0 , 2 , ... ... The lowest j - value for which it is possible to find a consistent set of such matrix elements from energy**level**...Page 408

Only six T = 0

Only six T = 0

**levels**occur in the first 6 MeV of excitation in the model spectrum of A = 18 , even though many more positive - parity**levels**occur in this same range in the experimental spectrum . In particular , the second 17 and ...### 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