Physics – Nuclear Physics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..610..451b&link_type=abstract
NUCLEAR PHYSICS IN THE 21st CENTURY:International Nuclear Physics Conference INPC 2001. AIP Conference Proceedings, Volume 610,
Physics
Nuclear Physics
Reactions Induced By Unstable Nuclei, Nuclear Physics Aspects Of Novae, Supernovae, And Other Explosive Environments, Nucleon-Induced Reactions, Transfer Reactions
Scientific paper
In explosive environments such as novae and X-ray bursts, the rates of charged-particle induced reactions on proton-rich radioactive nuclei can become faster than their beta decays. These reactions have a profound effect on the characteristics of the explosions, influencing observables such as the luminosity, the nucleosynthesis, and the amounts of radioisotopes synthesized. Knowledge of the reaction rates on proton-rich nuclei is, therefore, vital to the understanding of these cataclysmic stellar events. At the ORNL Holifield Radioactive Ion Beam Facility (HRIBF), we are making some of the first measurements of critical reaction cross sections and properties of astrophysically important nuclear resonances using radioactive beams of fluorine atoms. The results of these measurements have resolved significant uncertainties in the 17F(p,γ)18Ne, 18F(p,α)15O, and 14O(α,p)17F stellar reaction rates. .
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