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The products of the transmutation of mercury by fast (Li+D) neutrons were investigated. Three radioactive gold isotopes were found to be formed by the n - p reactions: 65-hour Au 198 , 78-hour Au 199 , and a new unassigned electron emitter with a period of 48 min. Three radioactive platinum...
Quantitative formulae for the intensities of lines from a pair of interacting states to a common lower state are applied to perturbations in band spectra. It appears that rotational and vibrational perturbations show quite a different behavior. In the former there is a direct superposition of...
Six bands in the λ 3100 system of C S 2 , photographed in absorption on a 30-foot grating spectrograph, have been analyzed and B values are given for their initial and final states. The band structure is of the simple PR branch type, all of the observed bands originating from Σ + u 1 - Σ + g 1...
A very precise microcalorimetric method of determining the mean energy of Ra E β -rays is described. The method involves an adiabatic change of temperature of a small calorimeter whose heat capacity is measured by determining the change in temperature produced by several strong sources of...
Radioactive isotopes of barium of half-lives 40.0 hours and 340 hours are made by bombarding cesium with deuterons of 9.5 Mev energy. The former is shown by absorption measurements and by the magnetic beta-spectrometer to consist of a partially converted gamma-ray of energy 276.4 kev. The latter...
Brady and Moore observed that certain crystals which appeared to have flaws and were not very transparent gave a current response which started out in one direction just after the light was turned on, decreased rapidly with time of illumination, and then flowed in the opposite direction. This...
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