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Tchebycheff-derivative approximations to photoabsorption cross sections in atoms and ions

✍ Scribed by P.W. Langhoff; C.T. Corcoran

Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
555 KB
Volume
40
Category
Article
ISSN
0009-2614

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✦ Synopsis

SpectraI moments and Tchebycheffs inequalities are employed in the construction of continuous, convergent approximations to photoabsorption am! ionization cross sections in atoms and ions. * On leave of absence from Indiana University, formerly visiting at Stanford University, and prexntly JILA Visiting Fellow. ** Proctor and Gamble Fellow.

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A program is presented which calculates total and differential cross-sections for the ionisation of hydrogen-like targets by the impact of fully stripped ions. Any one of four theoretical descriptions can be used, namely. (i) the first Born approximation, (ii) the distorted wave born approximation,