Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aps..apr.l8005h&link_type=abstract
American Physical Society, APS April Meeting, April 22-26, 2006, abstract #L8.005
Astronomy and Astrophysics
Astrophysics
Scientific paper
In order to better understand the incomplete level structure of ^19Ne above proton threshold as it pertains to proton-induced reactions on ^18F in explosive astrophysical environments, a study of the ^17O(^3He,n)^19Ne reaction has been performed at the Edwards Accelerator Laboratory at Ohio University. Utilizing pulsed beams and neutron time-of-flight techniques, this study has been conducted at energies where the compound reaction model is the dominant mechanism. As such, this reaction will in principle populate all excited states, including any heretofore unidentified states. This technique will enable a precise determination of excited energies for individual levels. Furthermore, the experimental differential cross section for individual states can be compared to calculations employing the Hauser-Feshbach statistical model in an attempt to extract information on the spins of the excited states. The observed ^19Ne level structure from this reaction will be presented and its astrophysical implications will be discussed.
Adekola A.
Brune Carl R.
Grimes S. M.
Hadizadeh M. H.
Heinen Z.
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