Correlation of Excess Enthalpy and Helium-4

Three different sets of experiments conducted in the Navy Laboratory (NAWCWD) at China Lake, California (1990-1994) clearly established that helium-4 is the main fusion product in the Pd/D2O+LiOD electrolysis system. A correlation between excess enthalpy and excess helium-4 was measured in 18 out of 21 experiments. The observation of no excess enthalpy was correlated with no excess helium in 12 out of 12 experiments. Thus 30 out of 33 experiments agree with the hypothesis that the excess enthalpy produced in cold fusion studies is correlated with helium-4 production: D + D → He + 23.8 MeV. Furthermore, the measured rate of helium-4 production was always in the appropriate range of 10 to 10 atoms per second per watt of excess power.