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

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Page 137

pact

between angle and impact

depending on the impact

is a ...

pact

**parameter**and obtain cross - sections directly in terms of the relationshipbetween angle and impact

**parameter**. There are roughly three regimesdepending on the impact

**parameter**and the size of the colliding nuclei . 1 ) Thereis a ...

Page 164

Let us consider the variational principle for the single - particle functions yn ( « , t )

and assume that we can parameterise them in terms of a few variables uj ( t ) , i .

e . ( 39 ) Ynla , t ) →yn ( u ( t ) , « ) . The set of

Let us consider the variational principle for the single - particle functions yn ( « , t )

and assume that we can parameterise them in terms of a few variables uj ( t ) , i .

e . ( 39 ) Ynla , t ) →yn ( u ( t ) , « ) . The set of

**parameters**u ; ( t ) are time ...Page 338

If we consider simple shape oscillations of the mass of a nucleus with A nucleons

and a deformation

ho , B ( 0 , L ) = ( 3AR - B2 / 47 ) 2 ( where R is the equivalent uniform radius ) .

If we consider simple shape oscillations of the mass of a nucleus with A nucleons

and a deformation

**parameter**Bu , then for the excitation of one phonon of energyho , B ( 0 , L ) = ( 3AR - B2 / 47 ) 2 ( where R is the equivalent uniform radius ) .

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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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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