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First Direct Measurement of the {sup 17}F(p,{gamma}){sup 18}Ne Cross Section

Journal Article · · Physical Review Letters
;  [1]; ;  [2];  [3]; ; ;  [4]; ;  [5]; ;  [6];  [7]; ;  [2]
  1. Colorado School of Mines, Golden, Colorado 80401 (United States)
  2. Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 (United States)
  3. Louisiana State University, Baton Rouge, Louisiana 70803 (United States)
  4. University of Tennessee, Knoxville, Tennessee 37996 (United States)
  5. Rutgers University, New Brunswick, New Jersey 08901 (United States)
  6. Tennessee Technological University, Cookeville, Tennessee 38505 (United States)
  7. 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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