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An interesting form of high-energy gamma-ray--detector interaction and its effect on spectral peak centroid
Medical Physics
|January 1, 1979
Abstract:
The pulse-height continuum produced in a radiation detector following the interaction of photons by pair-production is discussed. The event when one annihilation photon escapes from the detector without interaction while the other escapes after one Compton scattering interaction produces a characteristic component in the pulse-height spectrum. The significance of this component in influencing the accurate determination of the centroid of the double-escape peak is examined and shown to be negligibly small.