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 reactions. Optical potential. Direct and compound nucleus reactions. Nuclear fission. Gamma and beta decay. Special Relativity. Relativistic dynamics. Distribution transformation. Relativistic motion of an electric charge in fields. Elementary particle physics and the Standard Model. Weak interactions. The neutrino.
Wong S.S.M., Nuclear Physics, John Wiley and Sons.
Lecture Notes in
hep.fi.infn.it/iacopini/NuclSubn2.pdf
Learning Objectives
Knowledge acquired: Properties of the atomic nucleus and of the strong and weak nuclear interactions. Nuclear structure models. Main features of fission, nuclear reactions and decays.
Special relativity and its applications to the particle motion. The fundamental interactions. The present scenario of the elementary particles. More about the electroweak interaction.
Competence acquired : Knowledge of nuclear forces, of the structure models of complex nuclei, of fission and of nuclear reactions and decays.
Special relativity calculations. Description in the SM of the more common particles.
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.
Ability to solve complex problems of relativistic kinematics and dynamics. Composite particles description in the SM (mesons and baryons).
Prerequisites
none
Teaching Methods
12 CFU
Lectures hours: 108
Further information
Office hours B. Mosconi: Monday 14.30-16.00
Thursday 11.30-13.00
E. Iacopini: Monday 14.30-17.00
Tuesday 14.30-17.00
Type of Assessment
Oral test
Course program
NN system and spin dependence of the NN potential.Properties of the spin-orbit and tensor operators Scattering of particles with spin, asymmetry and polarization. Meson-exchange theory (Yukawa) of the NN potential. Isospin symmetry. Magic numbers. Shell model of the nuclear structure. Average nuclear potential. Pairing interaction. Antisymmetrization of wave functions. Collective nuclear
motion. Vibrational and rotational models. Fission. Compound nucleus formation and direct nuclear reactions. Optical potential. Gamma decay, multipole expansion, Weisskopf units. Beta decay, Fermi theory of the weak interaction.
.
Special Relativity outline. Relativistic dynamics: elastic and inelastic scattering, transverse mass. Distribution transformation and its application to decays in flight. Relativistic motion of an electric charge in constant electric and magnetic fields. Introduction to elementary particle physics and to the Standard Model. Fermi Theory of the weak interactions. The neutrino: its existence, its helicity, the neutrino oscillations.