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astro-ph2007★ 3 cited
Europium, Samarium, and Neodymium Isotopic Fractions in Metal-Poor Stars
Ian U. Roederer, James E. Lawler, Christopher Sneden +3
We have derived isotopic fractions of europium, samarium, and neodymium in two metal-poor giants with differing neutron-capture nucleosynthetic histories. These isotopic fractions…
astro-ph2007★ 177 cited
Improved Laboratory Transition Probabilities for Neutral Chromium and Re-determination of the Chromium Abundance for the Sun and Three Stars
Jennifer S. Sobeck, James E. Lawler, Christopher Sneden
Branching fraction measurements from Fourier transform spectra in conjunction with published radiative lifetimes are used to determine transition probabilities for 263 lines of neu…