Low-lying states in $sup 20$Ne populated by the $sup 19$F($sup 7$Li, $sup 6$He)$sup 20$Ne reaction at 34 MeV
Journal Article
·
· Phys. Rev., C, v. 12, no. 6, pp. 1899-1906
OSTI ID:4102643
Angular distributions have been measured for transitions to $sup 20$Ne states up to 7.43 MeV in excitation populated in the $sup 19$F($sup 7$Li, $sup 6$He)$sup 20$Ne reaction at E$sub 7$ = 34 MeV. Elastic scattering of $sup 6$Li and $sup 7$Li at 34 MeV from $sup 19$F was also performed and optical model parameters were determined from fits to the measured angular distributions. These optical model parameters were used in finite-range distorted-wave Born- approximation analyses of the single nucleon transfer data to extract spectrosopic factors for states at 0.0, 1.634, 4.247, 5.785, 6.722, and 7.424 MeV excitation in $sup 20$Ne. Spectroscopic factors obtained from this reaction agree well with those from light-ion transfer reactions. However, the 2s$sub 1$/ $sub 2$ calculation for the $sup 20$Ne ground state is out phase with the data by 7 degree. The ''j-forbidden'' 4$sup +$ state at 4.247 MeV excitation is found to be weakly excited in the $sup 19$F($sup 7$Li, $sup 6$He)$sup 20$Ne reaction. (AIP)
- Research Organization:
- Department of Physics, The Florida State University, Tallahassee, Florida 32306
- NSA Number:
- NSA-33-018924
- OSTI ID:
- 4102643
- Journal Information:
- Phys. Rev., C, v. 12, no. 6, pp. 1899-1906, Journal Name: Phys. Rev., C, v. 12, no. 6, pp. 1899-1906; ISSN PRVCA
- Country of Publication:
- United States
- Language:
- English
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