Ionisation loss — dominant?
Charged particles lose energy mainly by ionising atoms.
Radiation length — role?
Sets the scale for electromagnetic shower development in matter.
Ionisation energy loss
Energy lost by charged particles passing through 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.
Answer 3 questions on Fundamentals of Particle Detection and Interactions.
1. What best describes a minimum ionising particle in matter?
2. What does radiation length represent for an electromagnetic shower?
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