Open Access
Table 2.
Dose rates measured by MSL-RAD on the surface of Mars and calculated values. Values in parentheses are the dose rates and the derived quality factor for a restricted zenith angle θ < 30°.
| MSL-RAD (Hassler et al. 2014) | GEANT4.10.p02 |
PHITS | OLTARIS2013 | HZETRN/OLTARIS | |||||
|---|---|---|---|---|---|---|---|---|---|
| [1] | [2] | [3] | [4] | [5] | |||||
| dose rate in silicon [mGy = d] | 0.16 (0.017) | 0.15 (0.17) | 0.15 (0.017) | 0.15 (0.016) | 0.16 (0.017) | 0.15 (0.019) | 0.13 | 0.14 (0.019) | |
| dose rate in tissue [mGy = d] | 0.21 ± 0.04 | 0.19 (0.021) | 0.19 (0.021) | 0.19 (0.020) | 0.18 (0.020) | 0.2 (0.021) | 0.20 (0.024) | 0.16 | 0.18 (0.024) |
| dose equivalent rate [mSv = d] | 0.64 ± 0.12 | 0.52 (0.063) | 0.51 (0.063) | 0.51 (0.067) | 0.51 (0.069) | 0.61 (0.068) | 0.6 (0.081) | 0.52 | 0.54 (0.076) |
| Quality factor |
3.0 ± 50.26 |
2.7 (3.0) |
2.7 (3.1) |
2.7 (3.3) |
2.8 (3.5) |
3.0 (3.2) |
3.0 (3.4) |
3.2 |
3.0 (3.2) |
| GEANT4 physics list setups | |||||||||
| [1] | Physics Lists: emstandard_opt3, G4HadronPhysicsINCLXX, G4IonINCLXX | ||||||||
| Models: | |||||||||
| Ions: INCL v5.1.14.2 (0 eV < E < 54 GeV); FTFP (53.9 GeV < E < 1 TeV) | |||||||||
| Neutrons/Protons: PRECO (0 eV < E < 2 MeV); INCL v5.1.14.2 (1 MeV < E < 3 GeV); Bertini (2.9 GeV < E < 9.9 GeV); QGSP (12 GeV < E < 100 TeV); FTFP (9.5 GeV < E < 25 GeV) | |||||||||
| [2] | Physics Lists: emstandard_opt3, user defined | ||||||||
| Models: | |||||||||
| Ions: INCL v5.1.14.2 (0 eV < E < 48 GeV); FTFP (47.999 GeV < E < 1 TeV) | |||||||||
| Protons: PRECO (0 eV < E < 2 MeV); INCL v5.1.14.2 (1 MeV < E < 3 GeV); Binary Cascade (2.9 GeV < E < 9.9 GeV); QGSP (12 GeV < E < 100 TeV); FTFP (9.5 GeV < E < 25 GeV) | |||||||||
| Neutrons: NeutronHPInelastic (0 eV < E < 20 MeV); INCL v5.1.14.2 (19.9 MeV < E < 3 GeV); Binary Cascade (2.9 GeV < E < 9.9 GeV); QGSP (12 GeV < E < 100 TeV); FTFP (9.5 GeV < E < 25 GeV) | |||||||||
| [3] | Physics Lists: emstandard_opt3, G4HadronPhysicsQGSP_BIC_HP, G4IonPhysics | ||||||||
| Models: | |||||||||
| Ions: Binary Light Ion Cascade (0 eV < E < 4 GeV); FTFP (2 GeV < E < 100 TeV) | |||||||||
| Protons: Binary Cascade (0 eV < E < 9.9 GeV); QGSP (12 GeV < E < 100 TeV); FTFP (9.5 GeV < E < 25 GeV) | |||||||||
| Neutrons: NeutronHPInelastic (0 eV < E < 20 MeV); Binary Cascade (19.9 MeV < E < 9.9 GeV); QGSP (12 GeV < E < 100 TeV); FTFP (9.5 GeV < E < 25 GeV) | |||||||||
| [4] | Physics Lists: emstandard_opt3, G4HadronPhysicsQGSP_BIC_HP, G4IonQMDPhysics | ||||||||
| Models: | |||||||||
| Ions: QMDModel (0 eV < E < 10 TeV) | |||||||||
| Protons: Binary Cascade (0 eV < E < 9.9 GeV); QGSP (12 GeV < E < 100 TeV); FTFP (9.5 GeV < E < 25 GeV) | |||||||||
| Neutrons: NeutronHPInelastic (0 eV < E < 20 MeV); Binary Cascade (19.9 MeV < E < 9.9 GeV); QGSP (12 GeV < E < 100 TeV); FTFP (9.5 GeV < E < 25 GeV) | |||||||||
| [5] | Physics Lists: emstandard_opt3, G4HadronPhysicsQGSP_BERT_HP, G4IonINCLXX | ||||||||
| Models: | |||||||||
| Ions: INCL v5.1.14.2 (0 eV < E < 54 GeV); FTFP (53.9 GeV < E < 1 TeV) | |||||||||
| Protons: BertiniCascade (0 eV < E < 9.9 GeV); QGSP (12 GeV < E < 100 TeV); FTFP (9.5 GeV < E < 25 GeV) | |||||||||
| Neutrons: NeutronHPInelastic (0 eV < E < 20 MeV); BertiniCascade (19.9 MeV < E < 9.9 GeV); QGSP (12 GeV < E < 100 TeV); FTFP (9.5 GeV < E < 25 GeV) | |||||||||
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