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Table 2

Elements and the process that they trace at solar metallicity.

Elements Formation process [1] Reference r-process fraction [8]

Sr 85% s-process (weak s-process) [1, 3, 6] 2.7%
Y 92% s-process (in part weak s-process) [1, 3, 6] 5%
Zr 83% s-process (low weak s-process) [1, 6] 9.2%
Pd 54% r-process (some (<~67%) weak r-process) [1, 2] 46.9%
Ag 80% r-process (mainly (>~71%) weak r-process) [1, 2, 5] 77.9%
Ba 81% s-process, (main s-process) [1, 4, 7] 11.3%
Eu 94.2% r-process (main r-process) [1] 94%

References. [1] Arlandini et al. (1999), [2] Farouqi et al. (2009), [3] Heil et al. (2009), [4] Lodders et al. (2009), [5] Montes et al. (2007), [6] Pignatari et al. (2010), [7] Sneden et al. (2008), and [8] Bisterzo et al. (2011) for a comparison to more recent r-process fractions.

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