## Proceedings of the International School of Physics "Enrico Fermi.", Volume 62N. Zanichelli, 1976 - Nuclear physics |

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Page 159

number of states per

energy , angular momentum and parity , and each state by these and by the

projection ...

**Levels**of angular momentum J. Spin - dependent**level**density . ... Z ) averagenumber of states per

**level**' Let us remind that each**level**is characterized byenergy , angular momentum and parity , and each state by these and by the

projection ...

Page 164

Then one can calculate the ground - state energy E. by summing all energy

function , the energy of the single - particle

...

Then one can calculate the ground - state energy E. by summing all energy

**levels**. The state density is derived with the usual formalism of the grand partitionfunction , the energy of the single - particle

**level**being defined as Em.x ) = m + kd...

Page 167

yrast

corresponding angular momentum . ... However the result can only be taken as a

qualitative information , since i ) at high J values the

) ...

yrast

**levels**puts a limitation for the formation of a compound nucleus with thecorresponding angular momentum . ... However the result can only be taken as a

qualitative information , since i ) at high J values the

**level**density expression ( 38) ...

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### Contents

Introduction | 1 |

Generator coordinate DWBA for heavy ions | 8 |

Simple ideas on reaction mechanisms | 19 |

Copyright | |

44 other sections not shown

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### Common terms and phrases

angle angular distribution angular momentum approximation assumed average band barrier calculation channel cluster collision complete compound nucleus configurations consider core corresponding Coulomb coupling cross-section curve decay defined deformation depends described direct discussed distance effective elastic scattering emission emitted example excitation energy excitation function expected experimental experiments expression factor final fission fragments given gives Hamiltonian Hartree-Fock heavy ions higher integral interaction interesting internal level density levels mass matrix elements means measured mechanism neutron nuclear nucleons observed obtained operator optical orbital oscillator parameter particle Phys possible potential present probability projectile reaction region relative residual resonances respectively rotational scattering shape shell model shown simple single-particle space spectra spectrum structure surface theory tion transfer transition values wave function X-rays yrast