Level Structure of 22Mg: Implications for the 21Na(p,γ)22Mg Astrophysical Reaction Rate and for the 22Mg Mass

Details Level Structure of 22Mg: Implications for the 21Na(p,γ)22Mg Astrophysical Reaction Rate and for the 22Mg Mass Level Structure of 22Mg: Implications for the 21Na(p,γ)22Mg Astrophysical Reaction Rate and for the 22Mg Mass

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005phrvl..94c2501s&link_type=abstract

Physical Review Letters, vol. 94, Issue 3, id. 032501

Physics

Nuclear Physics

19

Gamma Transitions And Level Energies, Binding Energies And Masses, Nuclear Physics Aspects Of Novae, Supernovae, And Other Explosive Environments, 20<=A<=38

Scientific paper

The level structure of 22Mg has been studied with high-sensitivity γ-ray spectroscopy techniques. A complete level scheme is derived incorporating all subthreshold states and all levels in the energy region relevant for novae burning. The excitation energy of the most important astrophysical resonance is measured with improved accuracy and found to differ from previous values. Combining the present result with a recent resonance energy measurement of this state leads to a derived 22Mg mass excess of -400.5(13) keV.

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