- Docente: Giovanni Carlo Bonsignori
- Credits: 6
- SSD: FIS/04
- Language: Italian
- Moduli: Giovanni Carlo Bonsignori (Modulo 1) Fabrizio Fabbri (Modulo 2)
- Teaching Mode: Traditional lectures (Modulo 1) Traditional lectures (Modulo 2)
- Campus: Bologna
- Corso: First cycle degree programme (L) in Physics (cod. 0096)
Learning outcomes
Elements of atomic structure of matter. Radioactivity.
Interactions of radiations with matter. Nuclear structure and
properties: nuclear dimensions, mass and binding energies, spin,
electric and magnetic moments. Nuclear fusion and fission.
Cosmic rays. Particle detectors and
accelerators. Classification of the elementary particles.
Elements on fundamental interactions. Conservation laws. Elementary
processes and Feynmann diagrams. Essentials of QED. The
quarks hypothesis. Essentials of QCD.
Course contents
NUCLEAR PHYSICS
Reminders of atomic structure. The lectron. Isotopes and mass
spectrograph. Relativistic kinematics. The
phenomenon of radioactivity and its applications. Interactions of
radiations with matter. Photoelectric, Compton
and pair-creation effects. Nuclear reactions. Rutherford
scattering. Nuclear sizes. Nuclear masses and binding
energies. Nuclear spins, electric and magnetic moments. Nuclear
fission. Nuclear fusion.
SUBNUCLEAR PHYSICS (Dott. Fabbri Fabrizio)
Cosmic rays. Particle detectors. General properties of
particle detectors. Cloud chamber; bubble chamber; scintillation
and Cherenkov counters; calorimeters. Measure of particle
position, energy and momentum. Particle identification . Detector
systems.
Particle accelerators. Working principles.
Electrostatic accelerators - Linear accelerators
- Circular accelerators - Colliders. Accelerator systems
The elemantary particles proliferation. The positron
discovery. The muon discovery. The mesons and baryons discovery.
The neutrinos discovery. Mass and mean life.
Elements on fundamental interactions at high energy.
Coupling constants, The four fundamental interactions, Total and
partial differential cross sections. Inclusive and exclusive
reactions.
New quantum numbers and conservation laws. Baryon number.
Lepton number. Strangeness, charm and beauty.
Feynman diagrams. Crossing and charge coniugation. Higher
order diagrams.
Qualitative elements of QED. The photon as mediator of the
electromagnetic interaction between electric charges. Scattering,
annihilation and creation of e+e- pairs. Moeller, Bhabha and
Compton scattering. Creation and annihilation of charged fermion
pairs. Leptonic universality. The QED vacuum structure. Vacuum
polarization and 'running coupling constants".
General properties of the strong interaction. Excited nucleon
states and decays through mesons emission. Isotopic spin
multiplets. Observation of meson and baryon regularities.
Super-multiplets and static quark model. Flavor SU(3) symmetry and
combination rules. The quark model. Essentials of
QCD.
For more information visit the course site
http://www.bo.infn.it/opal/ifnsn
Readings/Bibliography
See the italian section.
Teaching methods
Lectures.
Assessment methods
Written and oral exam.
Teaching tools
Seminars and guided tours to CERN and Legnaro National
Laboratory.
Links to further information
http://www.bo.infn.it/opal/ifnsn/
Office hours
See the website of Giovanni Carlo Bonsignori
See the website of Fabrizio Fabbri