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Thermal neutron induced (n,p)-reactions and (n,alpha)-reactions of relevance to primordial and stellar nucleosynthesis were investigated at an intense and very clean beam of the High Flux Reactor. The reaction products are detected in a vacuum chamber by means of a suited surface barrier detector or telescope detector. Various stable, long-living as well as short-living samples were used, and great care was given to their characterization. The thermal neutron induced reaction cross-section determined in these experiments, combined with corresponding data at higher neutron energies obtained at the accelerator enable Maxwellian averaged cross-sections to be calculated, from which reaction rates in nucleosynthesis processes can be deduced. The astrophysical importance of the various reaction studies is related to different phases of nucleosynthesis. For (36)Cl, (37)Ar and (41)Ca, both (n(th),p)-reactions and (n(th), alpha)-reactions were studied.

Additional information

Authors: WAGEMANS C ET AL, University of Gent, Department of Subatomic and Radiation Physics, Geel (BE);BIEBER R ET AL, JRC Geel (BE);GELTENBORT P ET AL, Institute Laue-Langevin, Grenoble (FR)
Bibliographic Reference: Paper presented: International Conference on Nuclear Data for Science and Technology, Trieste (IT), May 19-24, 1997
Availability: Available from (1) as Paper EN 40333 ORA
Record Number: 199710847 / Last updated on: 1997-07-08
Original language: en
Available languages: en
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