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    • Barium lines in high-quality spectra of two metal-poor giants in the Galactic halo 

      Cescutti, G.; Morossi, C.; Franchini, M.; Marcantonio, P. Di; Chiappini, C.; Steffen, M.; Valentini, M.; François, P.; Christlieb, N.; Cortés, C.; Kobayashi, C.; Depagne, E. (2021-10-01)
      Context. Theoretical results showed the possibility that neutron capture elements were produced in the early Universe by two different sources: a frequent s-process source hosted by rotating massive stars, and a rare ...