Title

Widths of astrophysically important resonances in 18Ne

Document Type

Article

Publication Date

1-1-2002

Abstract

The astrophysically important reaction 14O(α,p)17F has been studied through a measurement of the time-inverse p(17F,α)14O reaction using a radioactive 17F beam. Resonance parameters for several states above an excitation energy of 7 MeV in 18Ne have been obtained. Through a measurement of the partial widths for elastic and inelastic proton scattering, it was determined that for these resonances the contribution of the 14O(α,p)17F* branch populating the first excited state in 17F is small. The results indicate that the contribution of resonances above Ex=7 MeV to the astrophysical (α,p) reaction rate is smaller than was previously assumed.

Publication Source (Journal or Book title)

Physical Review C - Nuclear Physics

First Page

358031

Last Page

358039

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