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November 25, 2024
- Introduction to High-Energy Astroparticle Physics
- Overview of the field and key questions
- Course logistics and structure
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November 26, 2024
- Synchrotron power and electron energy loss timescales
- Cooling break: definition and significance
- Relativistic beaming: concepts and observational implications
- Synchrotron spectrum and critical frequency
- Synchrotron emission from electron populations
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November 27, 2024
- Basics of Compton scattering
- Inverse Compton (IC) scattering and energy transfer
- Single-particle power radiated in IC scattering
- Key properties of the Klein-Nishina cross-section
- Kinetic equation for electron evolution: modeling radiation processes
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November 28, 2024
- Gamma-ray absorption: threshold energy and cross-section
- Interaction timescale for hadronic interactions
- Pion production in proton-proton collisions
- Pion emissivity and gamma-ray spectrum derivation
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November 29, 2024
- The 𝜋⁰ gamma-ray spectrum and the pion bump
- Diffuse Galactic gamma-ray emission: observations and theory
- Photo-pion production: energy thresholds and relevance for UHECRs (Ultra-High-Energy Cosmic Rays)
- Pair production processes and their astrophysical implications
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December 2, 2024
- Multi-messenger relations: connecting cosmic rays, neutrinos, and gamma rays
- The Waxman-Bahcall limit for neutrino flux
- Introduction to the cosmic ray transport equation
- Cosmic-ray diffusion as a random walk: the mean free path
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December 3, 2024
- Diffusion equation: solutions and limitations in cosmic ray propagation
- Transport equation for primary nuclei: formulation and solutions
- The cosmic ray composition and the grammage pillar
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December 4, 2024
- Transport equation for secondary nuclei: applications and implications
- Secondary-to-primary ratio: insights into cosmic ray physics
- Transport equation for unstable secondary nuclei and observational significance
- The SN paradigm
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December 5, 2024
- Charged particle motion in a turbulent magnetic field: the QLT approach
- Pitch angle diffusion
- The Kolmogorov turbulence power spectrum
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December, 6, 2024
- The resonant scattering
- The diffusion coefficient in space
- Implications on the Galactic mean free path
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December 16, 2024 🚀
- Diffusion equation in pitch angle
- Diffusion equation in space
- Cosmic ray diffusive flux and anisotropy
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December 17, 2024
- General conditions for particle acceleration
- The Hillas criterion and plausible Galactic cosmic ray sources
- Generalities of Stochastic Acceleration
- Second order Fermi acceleration
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December 18, 2024
- The Formation of Shock Waves
- Interstellar Shock Waves
- The Rankine-Hugoniot jump conditions
- Compression ratio
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December 19, 2024
- Dynamical Evolution of Supernova Remnants
- Free expansion phase
- Sedov-Taylor phase
- Historical Supernovae in the Milky Way
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December 20, 2024