Explosive Hydrogen Burning of 17O in Classical Novae

Details Explosive Hydrogen Burning of 17O in Classical Novae Explosive Hydrogen Burning of 17O in Classical Novae

Aug 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004phrvl..93h1102f&link_type=abstract

Physical Review Letters, vol. 93, Issue 8, id. 081102

Physics

Nuclear Physics

16

Nucleosynthesis In Novae, Supernovae, And Other Explosive Environments, Other Resonances, Radiative Capture, Nuclear Physics Aspects Of Novae, Supernovae, And Other Explosive Environments

Scientific paper

We report on the observation of a new resonance at ElabR=190 keV in the 17O(p,γ)18F reaction. The measured resonance strength amounts to ωγpγ=(1.2±0.2)×10-6 eV. With this new value, the uncertainties in the 17O(p,γ)18F and 17O(p,α)14N thermonuclear reaction rates are reduced by orders of magnitude at nova temperatures. Our significantly improved reaction rates have major implications for the galactic synthesis of 17O, the stellar production of the radioisotope 18F, and the predicted oxygen isotopic ratios in nova ejecta.

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