Physics – Nuclear Physics
Scientific paper
Oct 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aps..dnp..e102t&link_type=abstract
American Physical Society, Division of Nuclear Physics Meeting, October 28-31, 1998 Santa Fe, New Mexico, abstract #E1.02
Physics
Nuclear Physics
Scientific paper
Asymptotic normalization coefficients (ANC's) can be used to determine direct capture rates for reactions of interest in nuclear astrophysics. We are using nuclear reactions, employing both stable and radioactive ion beams, to determine ANC's that allow us to calculate the direct capture reaction rates for several reactions including ^7Be(p,γ)^8B and ^16O(p,γ)^17F. The ^16O+p rightarrow ^17F ANC's for both the ground and first excited states in ^17F have been found from the ^16O(^3He,d)^17F reaction. The comparison of the ^16O(p,γ)^17F reaction rate calculated from these ANC's to a direct determination is an important test of the ANC technique. The ^7Be(p,γ)^8B reaction rate is very important for understanding the solar neutrino problem. Measurements of the (^7Be,^8B) reaction on ^10B and ^14N targets have been used to determine the ^7Be+p rightarrow ^8B ANC and thus the S-factor. Recent results for both of these systems and extensions to future reaction rate studies will be presented.
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