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Comparison between particle physics theory and experiment in two very favorable cases
| Helium atom ground state energy (Rydbergs) | |||
| −5.8071394 (14) | Experiment | ||
| −5.8071380 (5) | Theory | ||
| Muon magnetic dipole moment | |||
| 2.00 233 184 600 (1680) | Experiment | ||
| 2.00 233 183 478 (308) | Theory | ||
