Table 3 Summary of statistical and systematic uncertainties
From: Precision spectroscopy of the hyperfine components of the 1S–2S transition in antihydrogen
Uncertainty | Run 1 (d–d; kHz) | Run 1 (c–c; kHz) | Run 2 (c–c; kHz) | Comment |
|---|---|---|---|---|
Statistical | 4.6 | 5.0 | 8.4 | Poisson errors; fits to data |
Simulation statistics | 0.67 | 1.00 | 1.00 | Fits to simulated spectra |
Magnetic field | 0.007 | 0.123 | 0.123 | Dominated by field drift |
Frequency reference | 2 | 2 | 2 | Clock noise and ultralow expansion cavity drift |
Mean laser power | 1.45 | 1.67 | 1.77 | Estimated from simulations |
Motional d.c. Stark shift | 0.15 | 0.15 | 0.15 | Not included in simulation |
Frequency choice | 0.68 | 0.68 | 0.68 | From detuning variation studies |
Modelling errors | 2.5 | 2.5 | 2.5 | Error in fit function; simulation |
Total | 5.8 | 6.3 | 9.3 |
