Direct Measurement of the 21Na(p, γ)22Mg Reaction: Resonance Strengths and Gamma-Gamma Analysis

Details Direct Measurement of the 21Na(p, γ)22Mg Reaction: Resonance Strengths and Gamma-Gamma Analysis Direct Measurement of the 21Na(p, γ)22Mg Reaction: Resonance Strengths and Gamma-Gamma Analysis

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005nupha.758..729t&link_type=abstract

Nuclear Physics A, Volume 758, p. 729-732.

Physics

Nuclear Physics

1

Scientific paper

A series of astrophysical measurements was recently completed at TRIUMF, related to the unknown total rate of the 21Na(p, γ)22Mg reaction. With a high intensity 21Na beam from the ISAC facility, the DRAGON recoil mass spectrometer was used to directly measure seven resonances at center of mass energies from E=200 to 1135 keV and determine their respective contributions to the 21Na(p, γ)22Mg reaction rate in novae and x-ray bursts, as well as their impact on 22Na production in novae. This study also allowed the investigation of different excited states in 22Mg; proposed decays and spin assignments are given for the 6246, 6329, and 6609 keV levels.

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