Rubidium and Lead Abundances in Giant Stars of the Globular Clusters M4 and M5
We present measurements of the neutron-capture elements Rb and Pb for bright giants in the globular clusters M4 and M5. The clusters are of similar metallicity ([Fe/H] ≃ -1.2), but M4 is decidedly s-process enriched relative to M5: [Ba/Fe] = +0.6 for M4
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|Source:||Astrophysical Journal, The|
|01_Yong_Rubidium_and_Lead_Abundances_2008.pdf||393.6 kB||Adobe PDF||Request a copy|
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