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Explosive hydrogen burning of 17O in classical novae

  • C. Fox(corresponding author)
    ,
  • C. Iliadis
    ,
  • A. E. Champagne
    ,
  • A. Coc
    ,
  • J. José
    ,
  • R. Longland
*Corresponding author for this work
  • Triangle Universities Nuclear Laboratory
    ,
  • University of North Carolina at Chapel Hill
    ,
  • Institut national de physique nucléaire et de physique des particules
    ,
  • Institute of Space Studies of Catalonia
Scholary Output:
Contribution to journal
Article
 Peer-review

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 ωγpγ =(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.

Publication Information

Output type

Scholary Output:
Contribution to journal
Article
 Peer-review

Original language

English (US)

Article number

081102

Pages from-to (Number of pages)

Pages 081102-1-081102-4

Journal (Volume, Issue Number)

Physical Review Letters (Volume 93, Issue 8)

Publication milestones

  • Published - 08/20/2004

Publication status

Published - 08/20/2004

ISSN

0031-9007

Publication IDs

  • Scopus: 19544364865
  • PubMed: 15447168

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9
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45
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Funding Details

This work was supported in part by the U.S. Department of Energy under Contract No. DE-FG02-97ER41041, the Spanish MCYT Grant No. AYA2002-0494-C03-01, and the Catalan AGAUR.