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Proton Spectra from [superscipt 3]He+T and [superscript 3]He+[superscript 3]He Fusion at Low Center-of-Mass Energy, with Potential Implications for Solar Fusion Cross Sections

Author(s)
Zylstra, A. B.; Hale, G. M.; Brune, C. R.; Bacher, A.; Casey, D. T.; McNabb, D.; Paris, M.; Sangster, T. C.; Sayre, D. B.; Frenje, Johan A; Gatu Johnson, Maria; Li, Chikang; Petrasso, Richard D; Seguin, Fredrick Hampton; ... Show more Show less
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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 [superscript 3]He+T and [superscript 3]He + [superscript 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 [superscript 3]He + [superscript 3]He proton spectrum; these benchmarked spectral shapes should be used for interpreting low-resolution data, such as solar fusion cross-section measurements.
Date issued
2017-11
URI
http://hdl.handle.net/1721.1/114497
Department
Massachusetts Institute of Technology. Plasma Science and Fusion Center
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Zylstra, A. B., et al. “Proton Spectra from [superscript 3]He + T and [superscript 3]He + [superscript 3]He Fusion at Low Center-of-Mass Energy, with Potential Implications for Solar Fusion Cross Sections.” Physical Review Letters, vol. 119, no. 22, Nov. 2017. © 2017 American Physical Society
Version: Final published version
ISSN
0031-9007
1079-7114

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