New thermonuclear reaction rates of 64Ge(p,γ)65As and 65As(p, γ)66Se for type-I x-ray bursts
2016
We present a new set of 64 Ge( p , γ ) 65 As and 65 As( p , γ ) 66 Se reaction rates based on recently evaluated proton separation energies S p ( 65 As) and S p ( 66 Se), and nuclear structure data from large-scale shell model calculations. Our new 64Ge(p,g) rate differs from those available in REACLIB by up to two orders of magnitude at temperatures encountered within type I X-ray bursts. We used one-zone post-processing type-I x-ray burst model to test our new rates, and present the astrophysical impact of these rates.
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