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

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Page 283

We have

influenced by shell structure effects ; now we examine what other effects this

microsubstructure may have on the excitation strengths . We use the harmonic -

oscillator ...

We have

**seen**in subsect . 3 . 1 . 2 that the distribution of states n may beinfluenced by shell structure effects ; now we examine what other effects this

microsubstructure may have on the excitation strengths . We use the harmonic -

oscillator ...

Page 305

Angular distribution of the GDR peak ( above )

27Mg , En = 56 . 1 MeV ) as well as ( below ) the peak corresponding to 6 MeV

excitation in 27Mg [ 82 ] . The curves were calculated by using collective models .

Angular distribution of the GDR peak ( above )

**seen**in fig . 22 ( 22Al ( n , p )27Mg , En = 56 . 1 MeV ) as well as ( below ) the peak corresponding to 6 MeV

excitation in 27Mg [ 82 ] . The curves were calculated by using collective models .

Page 544

without spin - parity assignments in 5°Ni close to the excitation energy of 3 . 38

MeV , it is impossible at the moment to say whether this state is

neutron stripping , but it should not because of its two - particle excitation

character .

without spin - parity assignments in 5°Ni close to the excitation energy of 3 . 38

MeV , it is impossible at the moment to say whether this state is

**seen**in single -neutron stripping , but it should not because of its two - particle excitation

character .

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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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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