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Alpha-clustering and the stellar nucleosynthesis of carbon
(1994-09)
The astrophysical S-factor and reaction rates for the triple-alpha process are calculated in the direct-capture model. It is shown that the stellar carbon production is extremely sensitive to small variations in the N-N ...
Production of heavy-elements in inhomogeneous cosmologies
(1994-07-10)
Baryon density inhomogeneities during big bang nucleosynthesis can result from a variety of possible causes (e.g., quantum chromodynamic and electroweak phase transitions; cosmic strings). We present here the consequences ...
Astrophysics and nuclei far from stabilitys
(1994-03)
We discuss unstable nuclei on the proton-rich and neutron rich side of stability and their properties of astrophysical relevance. The Coulomb barriers in charged-particle captures lead to a cycle pattern which is not ...