Alpha-decay branching ratios of near-threshold states in 19Ne and the astrophysical rate of 15O(α,γ)19Ne

Details Alpha-decay branching ratios of near-threshold states in 19Ne and the astrophysical rate of 15O(α,γ)19Ne Alpha-decay branching ratios of near-threshold states in 19Ne and the astrophysical rate of 15O(α,γ)19Ne

May 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003nupha.718..605d&link_type=abstract

Nuclear Physics A, Volume 718, p. 605-607.

Physics

Nuclear Physics

Scientific paper

The 15O(α, γ)19Ne reaction is one of two routes for breakout from the hot CNO cycles into the rp process in accreting neutron stars. Its astrophysical rate depends critically on the decay properties of excited states in 19Ne lying just above the 15O + α threshold. We have measured the α-decay branching ratios for these states using the p(21Ne,t)19Ne reaction at 43 MeV/u.

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