Astrophysical: S-process

  • Publication
    Heavy-element Abundances in P-rich Stars: A New Site for the s-process?

    The recently discovered phosphorus-rich stars pose a challenge to stellar evolution and nucleosynthesis theory, as none of the existing models can explain their...

  • Publication
    Rubidium and Zirconium Production in Massive AGB Stars

    A recent survey of a large sample of massive Galactic asymptotic giant branch (AGB) stars shows that significant overabundances of rubidium (up to 100 times...

  • Publication
    The Lithium-, r- and s-Enhanced Metal-Poor Giant HK-II 17435-00532

    We present the first detailed abundance analysis of the metal-poor giant HK-II 17435-00532. This star was observed as part of the University of Texas Long-Term...