Alpha particles

Nuclear detectors - Different types of particles to detect

Figure 1 - Detector  fitted to a whole-body α/β contamination monitor  (Source: Canberra)

Figure 2 - Geiger-Müller Pancake type for α-counting (Source LND)

Figure 3 - Mass attenuation coefficients as a function of energy in Pb

Figure 4 - Total interaction probabilities in different materials

Figure 5 - Importance of different effects as a function of energy and Z (according to [4])

Figure 6 - Photoelectric attenuation coefficients for different materials

Figure 7 - Compton attenuation coefficients for different materials

Figure 8 - Dominant photoelectric effect

Figure 9 - Dominant Compton effect

Figure 10 - Comparison of relative efficiencies and energy resolution for different detectors

Figure 11 - Babyline (Eurisys Mesures) for dose rate monitoring (Source Canberra)

Figure 12 - γ spectra (Source Amcrys-H)

Figure 13 - High-resolution gamma spectrum for plutonium

Figure 14 - Encapsulated CZT detector (Source Ritec)

Figure 15 - Response function of a 3He detector exposed to nth

Figure 16 - Cross-section of a boron-compensated ionization chamber

Figure 17 - Collectron cross-section