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The model of nucleons moving in a fixed harmonic oscillator well provides a convenient starting point for calculations on the structure of light nuclei. One complication, the nondiagonal energy operator associated with the motion of the center of mass, can be eliminated simply by adding the...
The photostimulated ultraviolet emission of x-ray excited BeO has been measured as a function of the wavelength of the incident light. A maximum of emission occurs for a stimulating wavelength of ∼4100 A. Experiments are described which are interpreted as showing the presence of doubly occupied...
The absolute differential cross section for the elastic scattering of 17.00±0.05 Mev (center of mass energy) protons has been measured for twelve elements: Be, C, Al, Fe, Co, Ni, Cu, Zn, Rh, Ag, Pt, and Au. Between 31 and 39 angles were taken for each element with a five-degree (or less)...
The focusing atomic beam apparatus has been used to measure the spins and hyperfine structure separations of Au 198 (2.7 days) and Au 199 (3.15 days). The observed spins are 2 for Au 198 and 3 2 for Au 199 . Observed Δ ν for Au 198 is 21 800±150 Mc/sec, assuming μ I to be positive, or 22...
The rigorous solution for the transient current in a Townsend discharge presented in a previous paper is presented in an alternate form. A simplifying approximation is discussed and compared with the rigorous solution.
The melting pressure-temperature relationship of the three hydrogen isotopes has been determined accurately to 3500 kg/ cm 2 by the blocked-capillary method. The data were fitted with fair success to the Simon-type equation, P = a + b T c . The melting curves of H 2 , D 2 , and T 2 are displaced...
An optical absorption band at 9μ has been correlated with the oxygen content in silicon. Pulled silicon crystals were found to contain up to 10 18 oxygen atoms per cm 3 which seem to originate from the quartz crucible. The oxygen concentration in silicon crystals prepared by the floating zone...
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