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Cross section and resonance strength measurements of 19F(p, αγ)16O at Ep= 200–800 keV

  • Nuclear structure and reactions
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Abstract:

An excitation function of the 19F(p, αγ)16O reaction has been measured over the proton beam energy range Ep= 200–800 keV using a 4 π NaI summing spectrometer. A new resonance was found at ER= 237 keV and its properties ΓR, σR and ωγ have been extracted. The strengths of all resonances at Ep= 200–800 keV have been also extracted. The importance of the 1+ resonance at ER= 11 keV is discussed and its width has been estimated taking into account interference effects with the strong 1+ resonance at ER= 340 keV. The reaction rates have been calculated over a wide range of temperatures and compared with the rates of the (p, α0) and (p, απ) branches of the 19F(p, α)16O reaction.

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Authors and Affiliations

  1. N.C.S.R. “Demokritos”, Institute of Nuclear Physics, Laboratory for Material Analysis, 153.10 Athens, Greece, , , , , , GR

    K. Spyrou, C. Chronidou, S. Harissopulos, S. Kossionides & T. Paradellis

  2. Institut für Physik mit Ionenstrahlen, Ruhr-Universität-Bochum, Universitätsstrasse 150, 44780 Bochum, Germany, , , , , , DE

    C. Rolfs, W.H. Schulte & L. Borucki

Authors
  1. K. Spyrou
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  2. C. Chronidou
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  3. S. Harissopulos
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  4. S. Kossionides
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  5. T. Paradellis
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  6. C. Rolfs
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  7. W.H. Schulte
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  8. L. Borucki
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Received: 21 June 1999 / Revised version: 30 September 1999

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Spyrou, K., Chronidou, C., Harissopulos, S. et al. Cross section and resonance strength measurements of 19F(p, αγ)16O at Ep= 200–800 keV. EPJ A 7, 79–85 (2000). https://doi.org/10.1007/s100500050014

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  • DOI: https://doi.org/10.1007/s100500050014

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