Multiplet Structure below "Threshold" in Appearance-Potential Spectra—Lanthanum N4,5

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1975-02-01
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Smith, R. J.
Piacentini, M.
Lynch, David
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Physics and Astronomy
Physics and astronomy are basic natural sciences which attempt to describe and provide an understanding of both our world and our universe. Physics serves as the underpinning of many different disciplines including the other natural sciences and technological areas.
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Abstract

We present the N4,5 appearance-potential spectrum of La. Structure exists at energies lower than the threshold energy for transitions terminating at the Fermi level. Several similarities between optical absorption spectra and our results are discussed. These results contradict the simple model usually used to interpret appearance-potential spectra and emphasize the need for a new theory.

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This article is from Physical Review Letters 34 (1975): 476, doi:10.1103/PhysRevLett.34.476. Posted with permission.

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Wed Jan 01 00:00:00 UTC 1975
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