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19Na (1995TI07)


(See the Isobar Diagram for 19Na)

This nucleus was observed in the 24Mg(p, 6He)19Na reaction at Ep = 54.7 MeV (1969CE01). A study via the 24Mg(3He, 8Li)19Na reaction at E(3He) = 76.3 MeV leads to an atomic mass excess of 12.929 ± 0.012 MeV for 19Na; it is then unstable with respect to breakup into 18Ne + p by 321 ± 13 keV. An excited state at Ex = 120 ± 10 keV is also reported (1975BE38, 1993AU05). See also (1987AJ02) and (1987PO01, 1987SA24, 1988CO15, 1990PO04, 1992AV03).