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

### From inside the book

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Page 89

In general ( 3 . 31 ) 1G . . l ~ | Gpl > G . pl . In this case we can distinguish , as in

the case of closed - shell systems , between two groups of single - particle

which are uncoupled from each other . In the closed - shell system ( ii | H ( 20 ) | i

...

In general ( 3 . 31 ) 1G . . l ~ | Gpl > G . pl . 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

...

Page 358

The matrix elements that completely determine all energy

\ j2J ) = V , for J = 0 , 2 , . . . , 2j – 1 . The lowest j - value for which it is possible to

find a consistent set of such matrix elements from energy

The matrix elements that completely determine all energy

**levels**are thus ( j ' J \ V\ j2J ) = V , for J = 0 , 2 , . . . , 2j – 1 . The lowest j - value for which it is possible to

find a consistent set of such matrix elements from energy

**level**spacings is j = { .Page 408

Only six T = 0

A = 18 , even though many more positive - parity

in the experimental spectrum . In particular , the second 17 and first 2 +

Only six T = 0

**levels**occur in the first 6 MeV of excitation in the model spectrum ofA = 18 , even though many more positive - parity

**levels**occur in this same rangein the experimental spectrum . In particular , the second 17 and first 2 +

**levels**in ...### What people are saying - Write a review

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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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### 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