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Glossary of abbreviations used.
| CRT | Coincidence resolving time (FWHM ns) |
| DOI | Depth of interaction (cm) |
| FWHMa | Full-width at half-maximum |
| LSO | Lu2SiO5:Ce,Ca scintillator |
| Probability density function | |
| PET | Positron emission tomography |
| Rms | Standard deviation from the mean (root mean square) |
| SER | Single electron time response of the photodetector |
| SiPM | Silicon photomultiplier |
| TOF | Time of flight difference between two annihilation photons |
Gaussian distribution has
