60 citations · 228 across the 13 of their papers we have counts for
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physics.atom-ph2004★ 27 cited
Calculation of Radiative Corrections to E1 matrix elements in the Neutral Alkalis
J. Sapirstein, K. T. Cheng
Radiative corrections to E1 matrix elements for ns-np transitions in the alkali metal atoms lithium through francium are evaluated. They are found to be small for the lighter alkal…
physics.atom-ph2004★ 4 cited
Accurate S-state helium wave functions in momentum space
J. Sapirstein
High accuracy helium wave functions based on exponentials with random coefficients are transformed into momentum space. The utility of the wave functions is demonstrated through ca…