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Supernova electron capture rates on odd-odd nuclei
K. Langanke, G. Martinez-Pinedo
At densities between 10^8 and 10^10} g/cm^3 electron capture in a presupernova collapse is believed to mainly occur on odd-odd nuclei. We have derived the rates for six of the most…
Solar Fusion Cross Sections
E. Adelberger, S. Austin, J. Bahcall +36
We review and analyze the available information for nuclear fusion cross sections that are most important for solar energy generation and solar neutrino production. We provide best…
Isovector Pairing in Odd-A Proton-Rich Nuclei
Jonathan Engel, Karlheinz Langanke, Petr Vogel
A simple model based on the group SO(5) suggests that both the like-particle and neutron-proton components of isovector pairing correlations in odd-A nuclei are Pauli blocked. The…
Large-space cluster model calculations for the He3(He3,2p)He4 and H3(H3,2n)He4 reactions
Attila Csoto, Karlheinz Langanke
The He3(He3,2p)He4 and H3(H3,2n)He4 reactions are studied in a microscopic cluster model. We search for resonances in the He3+He3 and He4+p+p channels using methods that treat the…
Effects of B-8 size on the low-energy Be7(p,gamma)B8 cross section
Attila Csoto, Karlheinz Langanke
We calculate several "size-like" B-8 observables within the microscopic three-cluster model and study their potential constraints on the zero-energy astrophysical S_{17}(0) factor…
Electron capture on iron group nuclei
D. J. Dean, K. Langanke, L. Chatterjee +2
We present Gamow-Teller strength distributions from shell model Monte Carlo studies of fp-shell nuclei that may play an important role in the pre-collapse evolution of supernovae.…