Proton-threshold states in 27Al and the production of 27Al at low stellar temperatures.

Details Proton-threshold states in 27Al and the production of 27Al at low stellar temperatures. Proton-threshold states in 27Al and the production of 27Al at low stellar temperatures.

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990nupha.512..317c&link_type=abstract

Nuclear Physics A, Vol. 512, No. 2, p. 317 - 332

Physics

Nuclear Physics

9

Nuclear Reactions: Stellar Structure

Scientific paper

The 26Mg(3He, d)27Al reaction has been employed to measure excitation energies and proton spectroscopic factors for states corresponding to 26Mg+p resonances in the vicinity of the proton-capture threshold. The width ratio Γγ/Γ was measured for three previously established resonances via a study of the 26Mg(3He, dγ)27Al reaction, and corresponding values of the proton widths were obtained. Combining this information establishes strengths for four of the states lying within 150 keV of the proton threshold. A 26Mg+p reaction rate is deduced, and its astrophysical implications are discussed.

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