Energy Levels and SpectSSrum of Neutral Helium ((4)He I)

A table of energy levels based on the most accurate observations now available is given for the neutral (4)He atom. The wavelengths contained in a revised list of (4)He I lines from 320 A to 21132 A are also based on the best measurements, over half of them having been calculated from the wavenumber...

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Detalles Bibliográficos
Autor principal: Martin, William C.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: [Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology 1960
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5287023/
https://www.ncbi.nlm.nih.gov/pubmed/32196153
http://dx.doi.org/10.6028/jres.064A.003
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author Martin, William C.
author_facet Martin, William C.
author_sort Martin, William C.
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description A table of energy levels based on the most accurate observations now available is given for the neutral (4)He atom. The wavelengths contained in a revised list of (4)He I lines from 320 A to 21132 A are also based on the best measurements, over half of them having been calculated from the wavenumber separations of appropriate levels. Several previously disturbing features of the (4)He term scheme are obviated by the revised level values. In a discussion of the experimental results for this spectrum some comparisons with theory are made.
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spelling pubmed-52870232020-03-18 Energy Levels and SpectSSrum of Neutral Helium ((4)He I) Martin, William C. J Res Natl Bur Stand A Phys Chem Article A table of energy levels based on the most accurate observations now available is given for the neutral (4)He atom. The wavelengths contained in a revised list of (4)He I lines from 320 A to 21132 A are also based on the best measurements, over half of them having been calculated from the wavenumber separations of appropriate levels. Several previously disturbing features of the (4)He term scheme are obviated by the revised level values. In a discussion of the experimental results for this spectrum some comparisons with theory are made. [Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology 1960 1960-02-01 /pmc/articles/PMC5287023/ /pubmed/32196153 http://dx.doi.org/10.6028/jres.064A.003 Text en https://creativecommons.org/publicdomain/zero/1.0/ The Journal of Research of the National Bureau of Standards Section A is a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. Articles from J Res may contain photographs or illustrations copyrighted by other commercial organizations or individuals that may not be used without obtaining prior approval from the holder of the copyright.
spellingShingle Article
Martin, William C.
Energy Levels and SpectSSrum of Neutral Helium ((4)He I)
title Energy Levels and SpectSSrum of Neutral Helium ((4)He I)
title_full Energy Levels and SpectSSrum of Neutral Helium ((4)He I)
title_fullStr Energy Levels and SpectSSrum of Neutral Helium ((4)He I)
title_full_unstemmed Energy Levels and SpectSSrum of Neutral Helium ((4)He I)
title_short Energy Levels and SpectSSrum of Neutral Helium ((4)He I)
title_sort energy levels and spectssrum of neutral helium ((4)he i)
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5287023/
https://www.ncbi.nlm.nih.gov/pubmed/32196153
http://dx.doi.org/10.6028/jres.064A.003
work_keys_str_mv AT martinwilliamc energylevelsandspectssrumofneutralhelium4hei

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