Deuterated Polycyclic Aromatic Hydrocarbons in the Interstellar Medium: The Aliphatic C–D Band Strengths
Deuterium (D) was exclusively generated in the Big Bang, and the standard Big Bang nucleosynthesis (BBN) model predicts a primordial abundance of D/H ≈ 26 parts per million (ppm). As the Galaxy evolves, D/H gradually decreases because of astration. The Galactic chemical evolution (GCE) model predict...
Huvudupphovsmän: | , |
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Materialtyp: | Artikel |
Språk: | English |
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IOP Publishing
2023-01-01
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Serie: | The Astrophysical Journal Supplement Series |
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Länkar: | https://doi.org/10.3847/1538-4365/ace4c6 |