| CFD | constant fraction discriminators |
| FWHM | full width at half maximum |
| GEC | Gaussian double-exponential convolution |
| IRF | instrument response function |
| ND | neutral density |
| PMT | photomultiplier tube |
| PTS | transport time spread |
| SiPM | silicon photomultiplier |
| SNR | signal-to-noise ratio |
| TCSPC | time-correlated single-photon counting |
| TTS | transit time spread |
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