Explosive hydrogen burning of 17O in classical novae

C. Fox, C. Iliadis, A. E. Champagne, A. Coc, J. José, R. Longland, J. Newton, J. Pollanen, R. Runkle

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Abstract

The explosive burning of 17O, which exhibits resonance at E Rlab = 190 keV in the 17O(p, γ) 18F reaction, was analyzed. The resonance strength was about ωγ =(1.2∓0.2)×10-6 eV, which revealed that uncertainities in thermonuclear reaction rates were reduced by orders of magnitude at nova temperatures. The uncertainty in 17O(p, α)18F reaction rates was found to be ≅30%. The results show that resonance in thermonuclear reaction reduced uncertainty in galactic synthesis of 17O, the stellar production of 18F, and oxygen isotopic ratios in nova ejecta.

Original languageEnglish (US)
Pages (from-to)081102-1-081102-4
JournalPhysical Review Letters
Volume93
Issue number8
DOIs
StatePublished - Aug 20 2004
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Fox, C., Iliadis, C., Champagne, A. E., Coc, A., José, J., Longland, R., Newton, J., Pollanen, J., & Runkle, R. (2004). Explosive hydrogen burning of 17O in classical novae. Physical Review Letters, 93(8), 081102-1-081102-4. https://doi.org/10.1103/PhysRevLett.93.081102