Table 1
Dose rates and quality factors from the MIDAS simulated response in 1996.4 solar minimum calculated using correction coefficients resulting from solar minimum and solar maximum GCR fields. They are compared with the measurements on the lunar surface, which are multiplied by 2. The 3rd column reports simulation results obtained using the Badwar O’Neil model and completely different methodologies than the one reported.
| MIDAS simulation result for GCR field at 1996.4 solar minimum | Measurement on the lunar surface (Zhang et al., 2020) | ||
|---|---|---|---|
| Dose rate in water (LET limit 400 keV μm−1) | 0.460–0.506 mGy day−1 | 0.318 ± 0.034 mGy day−1 × 2 (0.636 ± 0.068) | Simulation result by Banjac et al. (2019): 0.6 mGy day−1 |
| Dose equivalent rate in water (LET limit 400 keV μm−1) | 2.32–1.99 mSv day−1 | 1.37 ± 0.25 mSv day−1 × 2 (2.74 ± 0.5) | |
| <Q> (LET limit 400 keV μm−1) | 4.58–4.33 | 4.3 ± 0.7 | |
| <Q> under 20 g cm−2 of Al shield | 2.55 (LET limit 400 keV μm−1) 2.61 (LET limit 1000 keV μm−1) | Simulation result by Zeitlin et al. (2019): 2.3–2.4 |
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