Abstract
The fusion reaction has been studied from to 4.00 MeV by particle spectroscopy. The data reveal broad resonances above MeV and are compatible with previously reported resonance structure around MeV. The data were limited at low energies by low count rates as well as possible background contributions. This experiment extends the previously achieved low-energy measurement by charged particle spectroscopy to 2 MeV, which corresponds to the high-energy side of the astrophysically relevant temperature. Present knowledge of level structures and nonresonant contribution cannot explain the results of the present experiment, which may change the reaction rate significantly. Despite the progress decreasing the low-energy limit, any extrapolation into the astrophysical energy range remains highly uncertain based on available experimental data.
- Received 22 November 2017
DOI:https://doi.org/10.1103/PhysRevC.97.065806
©2018 American Physical Society