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- W4254135854 abstract "A proton accelerator, modified for work on lunar samples, is described; 60 keV protons at about 1 μ A cm −2 are used. Luminescence emission spectra in the visible and near IR regions are shown for lunar samples from Apollo 11 and 12, and preliminary results are given for Apollo 14 samples. Lunar samples are compared with terrestrial and meteoritic materials. Plagioclase is found to be the most efficient luminescent material present in the lunar samples, and the activator for its dominant green peak is found to be Mn 2+ . Apparatus is described for taking colour photographs of the luminescence emission from rock chips under 6 keV electron excitation. Most of the lunar samples investigated show only plagioclase emission, but one breccia shows a wide variety of colours from different luminescent constituents." @default.
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- W4254135854 date "1972-01-01" @default.
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- W4254135854 title "Luminescence Excitation by Protons and Electrons, Applied to Apollo Lunar Samples" @default.
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- W4254135854 doi "https://doi.org/10.1017/s0074180900097606" @default.
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