[Eu/Ba]: Clock and r-process Indicator

Charles R. Cowley,Robert E. Stencel

Research Notes of the AAS(2022)

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摘要
Abstract The europium to barium ratio is both a clock and a measure of galactic chemical evolution of the r- and s-processes. We attribute much of the ratio’s vertical scatter to real abundance differences attributable to streams and diffusion into and out of the solar neighborhood.
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关键词
clock,eu/ba,eu/ba,r-process
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