FLIR Detection D. Glossary
Proton Number
ÚAtomic Number
Pulse Height Analyzer (PHA)
An instrument which accepts electronic pulses of varying heights from particle and event de-
tectors, digitizes the pulses’ heights, and saves them in channels for spectral analysis.
Radiation
The propagation of energetic particles (ÚParticle Radiation) or electromagnetic waves
(ÚElectromagnetic Radiation) through a medium or space. Examples are ÚAlpha Radia-
tion, ÚBeta Radiation, ÚGamma Radiation, ÚNeutrons but also X-rays, radio waves, light,
microwaves or heat.
The word “Radiation” commonly is used as an abbreviation for ÚIonizing Radiation.
Figure 245. Shielding of ionizing radiation (not to scale)
Radio Time
Ú24-Hour Clock
Radioactive Decay
ÚDecay
Radiological Dispersal Device
ÚRadiological Dispersion Device
Radiological Dispersion Device (RDD)
A weapon designed to spread radioactive material with the intent to kill or cause disruption.
identiFINDER
®
R300/en/2014.4(13623)/Feb2015 283
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