J. A. R. Samson, Z. X. He, L. Yin and G. N. Haddad. 1994, J. Phys. B, 27, 887.
Precision measurements of the absolute photoionization cross-sections of He.

Byte-per-byte description of file: he.dat (166 records)
Total photoionization cross  section of He I
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   Bytes Format  Units   Label        Explanations
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   1- 10  E10.4  eV      E            Photon energy
  13- 20  E8.2   Mb      S            Total photoionization cross section
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