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Atomic beams |
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Atomic beams Unidirectional streams of neutral atoms passing through a vacuum. These atoms are virtually free from the influence of neighboring atoms but may be subjected to electric and magnetic fields so that their properties may be studied. The technique of atomic beams is identical to that of molecular beams. For historical reasons the latter term is most generally used to describe the method as applied to either atoms or molecules. The method of atomic beams yields extremely accurate spectroscopic data about the energy levels of atoms, and hence detailed information about the interaction of electrons in the atom with each other and with the atomic nucleus, as well as information about the interaction of all components of the atom with external fields. See Molecular beams How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Drullinger, Velocity distributions of atomic beams by gated optical pumping, in Proc. They also suggest ways of constructing such gates out of quantum dots, atomic beams, or trapped ions interacting with laser beams. Metcalf predicts this method wil not only improve the quality of experiments involving atomic beams, atomic fountains (SN: 8/19/89, p. |
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