NN system and spin dependence of the NN potential. Spin-orbit and tensor terms. Meson exchange theory of the NN potential. Isospin symmetry. Shell model. Collective models. Nuclear fission. Alpha beta and gamma decay.
Kenneth .S.Krane - Introductory Nuclear Physics (Wiley&s.) - 1988
Samuel S.M. Wong _Introductory Nuclear Physics (Wiley-Int) 2nd Edition
C.A.Bertulani P. Danielewicz - Introduction to Nuclear Reaction -(CRC Press) 2004
R. Casten - Nuclear Structure from a Simple Perspective - (Oxford Science Pub.) 2000
Learning Objectives
Properties of the atomic nucleus and of the strong and weak nuclear interactions. Nuclear structure models. Main features of fission and decays.
Knowledge of nuclear forces, of the structure models of complex nuclei, of fission and of nuclear reactions and decays.
Skills acquired (at the end of the course): Ability to treat problems of bound states and of scattering with spin dependent potentials, to describe complex nuclei structure, to estimate reaction cross sections and decay probabilities.
Prerequisites
Nuclear force properties as inferred from binding energies and deuteron properties. Nuclear radii and nuclear decay modes. Good knowledge of angular momentum properties in quantum mechanics.
Teaching Methods
6 CFU
Lectures 52 h
Further information
Office hours: by appointment with e-mail to bini@fi.infn.it
Type of Assessment
Oral test
Course program
NN system and spin dependence of the NN potential. Properties of the spin-orbit and tensor operators . Irrudicible spherical tensors and Wigner-Eckart theorem. NUcleon nucleon elastic scattering: phase shift and scattering length. Thermal neutron scattering off orto- and para-hydrogen. Asymmetry and polarization. Meson-exchange theory (Yukawa) of the NN potential. Isospin symmetry. Independent particle models: Fermi gas model. Magic numbers. Shell model of the nuclear structure. Average nuclear potential. Pairing interaction. Antisymmetrization of wave functions. Collective nuclear
motion. Vibrational and rotational models. Rotational bands. Fission. Alpha decay. Beta decay, Fermi theory of the weak interaction. Gamma decay.