The excitation function of the reaction ${\mathrm{O}}^{16}(t, n){\mathrm{F}}^{18}$ has been measured for triton bombarding energies of 0.680 to 2.130 Mev. The half-life of the ${\mathrm{F}}^{18}$ beta decay has been measured to be 111±1 min.

• Received 9 December 1954

DOI:https://doi.org/10.1103/PhysRev.98.41