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EJNMMI Physics
Fig. 2 | EJNMMI Physics

Fig. 2

From: Estimating relationship between the time over threshold and energy loss by photons in plastic scintillators used in the J-PET scanner

Fig. 2

Illustration of the analog signals obtained at photomultipliers as the outcome of the energy deposited by the photon in the interaction with plastic scintillator. Each signal is probed at four fixed thresholds. The TOT value is calculated at each pre-defined voltage threshold, and the sum of all four TOT values from both photomultipliers (PMTs) gives the final TOT value, Eq. 1

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