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Table 8
Stellar nucleosynthesis.
| Element | Main production site | Mechanism | Yield(SN Ia/SN II) |
|
|
|||
| 16O | Massive Stars | Helium burning | 8% |
| 24Mg | Massive Stars | C, Ne burnings | 10% |
| 28Si | Massive Stars | explosive and non-explosive O burning | 60% |
| 40Ca | Massive Stars | explosive and non-explosive O burning | 67% |
| 45Sc | Massive Stars | C, Ne burnings, α and ν-wind (neutrino-powered wind) | 49% |
| 48Ti | Massive Stars and SNIa | explosive Si burning and SNIa with He detonation | 63% |
| 51V | Massive Stars and SNIa | explosive Si and O burnings, SNIa with He detonation, and α and ν | 88% |
| 52Cr | Massive Stars and SNIa | explosive Si burning, SNIa with He detonation, and α | 84% |
| 56Fe | Massive Stars and SNIa | explosive Si burning and SNIa | 88% |
| 58Ni | Massive Stars (and SNIa) | α (α-rich freeze-out from nuclear statistical equilibrium) and SNIa | 75% |
| 50Y | Massive Stars | He-burning s-process, and ν-wind | – |
| 153Eu | Massive Stars, compact binary merger | ν-wind | – |
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