Ionisation loss — dominant?
Charged particles lose energy mainly by ionising atoms.
Ionisation energy loss
Energy lost by charged particles passing through matter.
Radiation length — role?
Sets the scale for electromagnetic shower development in matter.
Stopping power
Energy loss rate per unit length.
Minimum ionising particles
Particles with near-minimum ionisation loss.
Electromagnetic shower
Cascade from high-energy electron/photon interactions.
Radiation length
Scale over which an electron loses energy.
Bremsstrahlung
Photon radiation from accelerated charged particles.
Pair production
Photon converting into electron-positron pair.
Test your knowledge with 3 questions on Fundamentals of Particle Detection and Interactions.
1. What best describes a minimum ionising particle in matter?
2. What characterizes a minimum ionising particle (MIP) in terms of the ionisation energy loss per unit length?
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