Gamma ray imaging
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Gammaray imaging.
The basis of this technique is an electron accelerator that produces gamma rays that “interact with the chemical elements in explosives to generate a unique signature.” Because of the scattering of the (short wavelength), x-ray and gamma ray detectors operating on these principles must be in close proximity to the target. According to a developer, the detector must be within one foot of the target. Another obstacle is that the detector would require an extremely large source of energy to create the gamma rays.
