ArticleIEEE transactions on radiation and plasma medical sciences2025
Energy Scale-Factor Estimation for Use in Photomultiplier Tube Energy Calibration Using C-SPECT.
Article in IEEE transactions on radiation and plasma medical sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
An array of photomultiplier tubes (PMTs) provides energy readout for gamma cameras, leading to event selection and positioning. However, operational and environmental changes, such as temperature, can cause PMTs to "drift" away from their nominal energy readouts and, therefore, require a correction procedure to return to their reference energies. We present two methods for determining the energy-scale change of each PMT using data collected on C-SPECT, a dedicated cardiac single photon emission computational tomography (SPECT) scanner. A scan of a vertical line source of
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