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Optical model potentials involving loosely bound p-shell nuclei around 10 MeV/A | | L. Trache
; A. Azhari
; H. L. Clark
; C. A. Gagliardi
; Y.-W. Lui
; A. M. Mukhamedzhanov
; R. E. Tribble
; F. Carstoiu
; | | Date: |
30 Aug 1999 | | Journal: | Phys.Rev. C61 (2000) 024612 | | Subject: | nucl-ex | | Affiliation: | Cyclotron Institute, Texas A&M University, College Station, TX, USA) and F. Carstoiu (Institute of Atomic Physics, Bucharest, Romania | | Abstract: | We present the results of a search for optical model potentials for use in the description of elastic scattering and transfer reactions involving stable and radioactive p-shell nuclei. This was done in connection with our program to use transfer reactions to obtain data for nuclear astrophysics, in particular for the determination of the astrophysical S_17 factor for 7Be(p,gamma)8B using two (7Be,8B) proton transfer reactions. Elastic scattering was measured using 7Li, 10B, 13C and 14N projectiles on 9Be and 13C targets at or about E/A=10 MeV/nucleon. Woods-Saxon type optical model potentials were extracted and are compared with potentials obtained from a microscopic double folding model. We use these results to find optical model potentials for unstable nuclei with emphasis on the reliability of the description they provide for peripheral proton transfer reactions. We discuss the uncertainty introduced by the procedure in the prediction of the DWBA cross sections for the (7Be,8B) reactions used in extracting the astrophysical factor S_17(0). | | Source: | arXiv, nucl-ex/9908022 | | Services: | Forum | Review | PDF | Favorites | |
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