Introduction to astroparticle physics
PHYS-439
Slides presented during the lecture and solutions for exercise 6.3
Description
The validation of Lorentz invariance by the Fermi satellite.
Experiments for the detection of cosmic gamma rays: space-borne experiments, Imaging Atmospheric Cherenkov Telescopes (IACTs) and extensive air shower experiments.
Background for ground-based experiments.
Detection principle of the IACTs.
Features of EAS experiments for the detection of gamma rays.
Energy range, energy and angular resolutions, duty cycle and field of view (FOV) for gamma-ray experiments (space-borne, IACTs and EAS experiments).
Definition of detector sensitivity.
Databases with light curves and spectral energy distributions.
Astrophysical neutrinos: production mechanism and candidate sources.
Motivations of the neutrino astronomy.
Principle of the astrophysical-neutrino detection.
General features of the ANTARES, IceCube and KM3NeT neutrino telescopes.
The event topologies in a neutrino telescope: track-like and shower-like events.
Sky visibility for different neutrino energies.
The diffuse flux of astrophysical neutrinos measured with IceCube.
The relationship between charged cosmic rays, gamma rays and neutrinos.
The search for astrophysical point-like sources of neutrinos, upper limits to the flux.
Observation of an ultra-high-energy cosmic neutrino with KM3NeT: KM3-230213A.
The future of IceCube: general features of IceCube-Gen2.
Bibliography.
GW170817: The birth of multi-messenger astronomy - 1stmultimessenger gravitational wave – e.m event.
IceCube-170922: the first multimessenger neutrino-photon event.