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Table 1

Data of the helium I atomic structure used in this work.

Config. Term E i E k S ik

1s4s–1s4p 1S–1Po 190 940.23 191 492.71 5.112e+02
1s4p–1s4d 1Po1D 191 492.71 191 446.46 8.507e+02
1s4d–1s4f 1D–1Fo 191 446.46 191 451.90 4.828e+02

Notes. The energies Ei and Ek are given in cm-1 and Sik in atomic units. These data were taken from http://physics.nist.gov/PhysRefData/ASD/lines_form.html.

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