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Figure 4: Experimental setup for scatter fraction (SF) and count rate (CR) performance test. Cylindrical polyethylene phantom (20 cm diameter and 70 cm length) with the line source inserted posteriorly was positioned at the center of scanner FOV

Figure 4: Experimental setup for scatter fraction (SF) and count rate (CR) performance test. Cylindrical polyethylene phantom (20 cm diameter and 70 cm length) with the line source inserted posteriorly was positioned at the center of scanner FOV