Neutron-capture element ratios relative to iron [X/Fe], in the three low-Sr/Ba stars (CS 30322-023, blue line; CS 29493-090, red line; HE 0305-4520, green line), are compared in A) to the ratios observed in CS 31082-001, a typical example of the r-process, in B) to the s-process computations in an AGB star during the thermal pulses shifted by −1.4 dex.
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