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  E-mail Message: I thought you might be interested in this item at http://www.worldcat.org/oclc/56716101 Title: A method for the calculation of large numbers of dipole and quadrupole transition probabilities Author: Lawrence P Shomo; United States. National Aeronautics and Space Administration; Langley Research Center Publisher: Washington, D.C. : [For sale by the Clearinghouse for Federal Scientific and Technical, Springfield, Virginia 20230], National Aeronautics and Space Administration ; 1970. OCLC:56716101

  
  

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Subjects

• Atomic spectroscopy.
• Coulomb functions.
• Dipole moments.
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A method for the calculation of large numbers of dipole and quadrupole transition probabilities

Author:	Lawrence P Shomo; United States. National Aeronautics and Space Administration.; Langley Research Center.
Publisher:	Washington, D.C. : National Aeronautics and Space Administration ; [For sale by the Clearinghouse for Federal Scientific and Technical, Springfield, Virginia 20230], 1970.
Series:	NASA technical note, D-5987.
Edition/Format:	eBook : Document : National government publication : EnglishView all editions and formats
Summary:	A computer program is presented which selects allowed transitions and calculates dipole and quadrupole transition probabilities for transitions with LS coupling and no equivalent electrons, based on an extension of the Coulomb approximation formalism to quadrupole and higher multipole transitions. Absorption oscillator strengths or f-values calculated by (1) the self-consistent-field method, (2) the scaled Thomas-Fermi method, (3) the Coulomb approximation method, (4) the variational method, and (5) the effective charge method for singlet and triplet transitions in neutral helium are presented and compared. The Coulomb approximation f-values calculated with the present computer program are found to be in good agreement with the results obtained by the more sophisticated methods.  Read more...
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