New attempts to understand nanodiamond stardust
Ott, Ulrich; Besmehn, A.; Farouqi, K.; Hallmann, O.; Hoppe, Peter; Kratz, Karl-Ludwig; Melber, K.; Wallner, Anton
We report on a concerted effort aimed at understanding the origin and history of the pre-solar nanodiamonds in meteorites including the astrophysical sources of the observed isotopic abundance signatures. This includes measurement of light elements by secondary ion mass spectrometry (SIMS), analysis of additional heavy trace elements by accelerator mass spectrometry (AMS) and dynamic calculations of r-process nucleosynthesis with updated nuclear properties. Results obtained indicate that*(i)...[Show more]
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