Table 3
Estimated fractional contribution of projectile A > 4 to the 2H and 3He fluxes.
| P | AP |
|
|
|
fP → 2H | fP → 3He |
| – | – | – | – | – | (%) | (%) |
|
|
||||||
| He | 4 | 1.0 | (...) | (...) | 60.1 | 86.0 |
| C | 12 | 3.3 × 10-2 | 5.5 | 2.3 | 7.5 | 3.6 |
| N | 14 | 7.4 × 10-3 | 6.6 | 2.4 | 2.0 | 0.8 |
| O | 16 | 3.4 × 10-2 | 7.8 | 2.6 | 10.7 | 4.1 |
| F | 19 | 5.2 × 10-4 | 9.6 | 2.8 | 0.2 | 0.1 |
| Ne | 22 | 5.1 × 10-3 | 11.4 | 3.1 | 2.4 | 0.8 |
| Na | 23 | 8.8 × 10-4 | 12.1 | 3.2 | 0.4 | 0.1 |
| Mg | 24 | 6.7 × 10-3 | 12.7 | 3.3 | 3.4 | 1.0 |
| Al | 26 | 1.1 × 10-3 | 14.0 | 3.5 | 0.6 | 0.2 |
| Si | 28 | 5.5 × 10-3 | 15.3 | 3.7 | 3.4 | 1.0 |
| P | 31 | 1.8 × 10-4 | 17.3 | 4.0 | 0.1 | < 0.1 |
| S | 32 | 1.0 × 10-3 | 17.9 | 4.1 | 0.7 | 0.2 |
| Cl | 35 | 1.8 × 10-4 | 20.0 | 4.5 | 0.1 | <0.1 |
| Ar | 36 | 3.1 × 10-4 | 20.6 | 4.6 | 0.3 | 0.1 |
| K | 39 | 2.1 × 10-4 | 22.7 | 5.0 | 0.2 | <0.1 |
| Ca | 40 | 6.1 × 10-4 | 23.4 | 5.1 | 0.6 | 0.1 |
| Sc | 45 | 1.0 × 10-4 | 27.0 | 5.8 | 0.1 | <0.1 |
| Ti | 48 | 3.4 × 10-4 | 29.2 | 6.2 | 0.4 | 0.1 |
| V | 51 | 1.8 × 10-4 | 31.4 | 6.6 | 0.2 | 0.1 |
| Cr | 52 | 3.6 × 10-4 | 32.1 | 6.8 | 0.5 | 0.1 |
| Mn | 55 | 3.0 × 10-4 | 34.3 | 7.2 | 0.4 | 0.1 |
| Fe | 56 | 3.7 × 10-3 | 35.1 | 7.4 | 5.3 | 1.3 |
| Ni | 58 | 2.4 × 10-4 | 36.6 | 7.7 | 0.4 | 0.1 |
Notes. The columns are, the name of the element, atomic number, ratio of measured fluxes, production cross-section ratios for 2H and 3He, and the estimated fractional contribution to 2H and 3He respectively. The ratio of measured fluxes is calculated at ~10 GeV/n using PAMELA for He (Adriani et al. 2011) and HEAO-3 (Engelmann et al. 1990) for 6 ≤ Z ≤ 30.
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