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    • The barium isotopic fractions in five metal-poor stars 

      Gallagher, Andrew; Ryan, Sean G.; Hosford, Adam; Garcia Perez, A E; Aoki, W; Honda, S (2012)
      Context. Theory and observations of heavy element nucleosynthesis are in conflict with one-another. Theory states that in the most metal-poor stars, the rapid (r-) neutron-capture nucleosynthetic process would be dominant ...