Total cross sections have been measured for the Mg(p, n) Al reaction from threshold at Ep:4.988 MeV to Ep =5. 820 MeV and for the Na(a, n) Al reaction from threshold at E = 3.483MeV to E =4.597 MeV, including separate measurements to the ground and first two excited states of Al~Thermally averaged reaction rates are tabulated over the temperature range 0. 1& T9 &10 for the respective inverse reactions Al(n, p) Mg and Al(n, a) Na, leading to the ground state of the exit-channel nuclide with the three lowest states of Al as "targets. " These rates are compared to rates calculated on a statistical model. Astrophysical implications with respect to Al nucleosynthesis are discussed.
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