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

### From inside the book

Results 1-3 of 30

Page 9

Then one reduces X, , ..., X, into N, -1 internal co-ordinates 31, ..., 34-, and a

-ordinates m, , ..., m_1 and a

internal ...

Then one reduces X, , ..., X, into N, -1 internal co-ordinates 31, ..., 34-, and a

**centre-of-mass**co-ordinate R, for A. In the same way one defines N, -1 internal co-ordinates m, , ..., m_1 and a

**centre-of-mass**R, co-ordinate for b, and N – 1internal ...

Page 50

the

nuclear surface. It is quite clear also that the sharply cut off nature of the

the

**centre-of-mass**wave function of the cluster is not appreciably peaked in thenuclear surface. It is quite clear also that the sharply cut off nature of the

**centre-of****-mass**oscillator function is not appropriate for describing states which decay by ...Page 434

Figure 3 shows spectra in the

in the reaction *Ar–H4"Th at 40° (i.e. near the grazing angle) and at 18°. The

coexistence of quasi-elastic and deep inelastic processes at 40° is clearly shown.

Figure 3 shows spectra in the

**centre-of-mass**system for a given isotope emittedin the reaction *Ar–H4"Th at 40° (i.e. near the grazing angle) and at 18°. The

coexistence of quasi-elastic and deep inelastic processes at 40° is clearly shown.

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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