Abstract
The radiation detector used in almost all nuclear medicine equipment is the scintillation crystal coupled to one or more photomultiplier tubes (PMTs). When ionizing radiation interacts with a scintillator, light is emitted in a short flash or pulse, the magnitude of which is proportional to the amount of energy deposited in the scintillator by the radiation. By using a material of high atomic number, γ-rays can be detected by the light pulses due to electrons secondary to the photoelectric, Compton scattering and pair production processes; for the γ-energies encountered in nuclear medicine, the pair production process may be neglected.
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Elliott, A.T. (1991). Practical instrumentation. In: Maisey, M.N., Britton, K.E., Gilday, D.L. (eds) Clinical Nuclear Medicine. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-3358-4_24
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DOI: https://doi.org/10.1007/978-1-4899-3358-4_24
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