Nucleosynthesis of MG and AL in Globular Cluster Red Giant Stars

Details Nucleosynthesis of MG and AL in Globular Cluster Red Giant Stars Nucleosynthesis of MG and AL in Globular Cluster Red Giant Stars

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003omeg.conf...69i&link_type=abstract

ORIGIN OF MATTER AND EVOLUTION OF GALAXIES 2000. Proceedings of the International Symposium. Held 19-21 January 2000 in Universi

Astronomy and Astrophysics

Astrophysics

Scientific paper

The proton-capture reaction on 24Mg has been investigated in the bombarding energy range of Ep=0.2-1.7 MeV. Properties of low-energy resonances have been measured. From the experimental results, accurate proton partial widths, γ-ray partial widths and total widths have been deduced. The present experimental information establishes the 24Mg+p reaction rates over the temperature range T=0.02-2.0 GK with statistical uncertainties of less than 21%. Based on our results, we can rule out the recent suggestion that the total width of the ER=223 keV resonance has a significant influence on the reaction rates. The astrophysical implications for hydrogen burning of 24Mg at low stellar temperatures in globular cluster red giant stars are discussed.

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