Zero-Field Intensity Oscillations Following Impulsive Excitation of Hydrogen
- 16 August 1971
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 27 (7), 370-373
- https://doi.org/10.1103/physrevlett.27.370
Abstract
In a beam-foil experiment, we have observed zero-field oscillations of approximately 25% in the intensity of radiation polarized parallel to the beam. An unmodulated decay is observed when a signal proportional to the total intensity is examined. Our observations substantiate Macek's theory of coherent decay from fine-structure levels.
Keywords
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