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Proton Spectra from He3+T and He3+He3 Fusion at Low Center-of-Mass Energy, with Potential Implications for Solar Fusion Cross Sections
- Source :
- Physical Review Letters. 119
- Publication Year :
- 2017
- Publisher :
- American Physical Society (APS), 2017.
-
Abstract
- Few-body nuclear physics often relies upon phenomenological models, with new efforts at the ab initio theory reported recently; both need high-quality benchmark data, particularly at low center-of-mass energies. We use high-energy-density plasmas to measure the proton spectra from ^{3}He+T and ^{3}He+^{3}He fusion. The data disagree with R-matrix predictions constrained by neutron spectra from T+T fusion. We present a new analysis of the ^{3}He+^{3}He proton spectrum; these benchmarked spectral shapes should be used for interpreting low-resolution data, such as solar fusion cross-section measurements.
Details
- ISSN :
- 10797114 and 00319007
- Volume :
- 119
- Database :
- OpenAIRE
- Journal :
- Physical Review Letters
- Accession number :
- edsair.doi...........ef1892ffa4fa0935ad02b40ea2b56001