Contents

• Introduction
• Gamma-Ray Emissivity of the Interstellar Medium
  • The Interstellar Matter
    • The Molecular Clouds
    • The Atomic Hydrogen
    • The Ionized Hydrogen
  • The Interstellar Radiation Field
  • The magnetic field
  • Cosmic Rays
    • Cosmic Electrons
    • Cosmic Protons
  • The physical processes producing gamma-ray emissivity
    • Proton-Proton collisions
    • Electron Bremsstrahlung
    • Inverse Compton
  
  
• Modeling the Gamma-Ray Emission of the Galaxy
  • The EGRET observations and the EGRET diffuse emission model
  • Beyond the EGRET model
  • The AGILE diffuse gamma-ray emission model
  • Mapping the matter distribution in the Galaxy
  • Line broadening and anomalous velocities
  • The dynamical ambiguity
  • Rotation curve
  • Diffuse matter distribution
  • Interstellar Radiation Field
  • Cosmic Rays
  
  
• Observing the Diffuse Emission
  • The gamma-ray sky
  • New vs old model
  • Model vs Observations
  • AGILE and the Diffuse -ray emission
  • A simulated AGILE observation
  
  
• AGILE performances optimization
  • The AGILE instrument
  • On-board tracks reconstruction
    • Event reconstruction in pair production detectors
    • The ''Kalmaex Algorithm''
    • Simulation Results
    • Background rejection
  • On-ground tracks reconstruction
    • Spectral capabilities
  
  
• Conclusions
• Acknowledgments
• Bibliography
• About this document ...