First Direct Measurement of the {sup 17}F(p,{gamma}){sup 18}Ne Cross Section
Journal Article
·
· Physical Review Letters
- Colorado School of Mines, Golden, Colorado 80401 (United States)
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 (United States)
- Louisiana State University, Baton Rouge, Louisiana 70803 (United States)
- University of Tennessee, Knoxville, Tennessee 37996 (United States)
- Rutgers University, New Brunswick, New Jersey 08901 (United States)
- Tennessee Technological University, Cookeville, Tennessee 38505 (United States)
- Oak Ridge Associated Universities, Oak Ridge, Tennessee 37830 (United States)
The rate of the {sup 17}F(p,{gamma}){sup 18}Ne reaction is important in various astrophysical events. A previous {sup 17}F(p,p){sup 17}F measurement identified a 3{sup +} state providing the strongest resonance contribution, but the resonance strength was unknown. We have directly measured the {sup 17}F(p,{gamma}){sup 18}Ne reaction using a mixed beam of {sup 17}F and {sup 17}O at ORNL. The resonance strength for the 3{sup +} resonance in {sup 18}Ne was found to be {omega}{gamma}=33{+-}14(stat){+-}17(syst) meV, corresponding to a {gamma} width of {gamma}{sub {gamma}}=56{+-}24(stat){+-}30(syst) meV. An upper limit on the direct capture of S(E){<=}65 keV b was determined at an energy of 800 keV.
- OSTI ID:
- 21180379
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 15 Vol. 102; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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