Physics
Scientific paper
Oct 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005nimpb.240..495f&link_type=abstract
Nuclear Instruments and Methods in Physics Research Section B, Volume 240, Issue 1-2, p. 495-499.
Physics
1
Scientific paper
A novel method to determine small cross-sections of nuclear reactions of astrophysical interest was implemented at the Vienna Environmental Research Accelerator laboratory (VERA). This method combines inverse-kinematics reactions taking place inside the stripper of a tandem accelerator with the identification of the recoil products using the accelerator mass spectrometry (AMS) technique. As a first test we studied the 1H(12C,γ)13N reaction, which is the starting reaction of the stellar CNO cycle of hydrogen burning. The 13N recoil products as well as the interfering isobar 13C were separated from the main 12C beam by common AMS techniques. Measurements with 13N recoil ions of different charge states were performed at center-of-mass energies of 229 and 206 keV, respectively. Notwithstanding the restrictions of VERA, the principle feasibility of the method could be demonstrated.
Arazi Andres
Djokič Denia
Fernandez Niello Jorge O.
Golser Robin
Kutschera Walter
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