TY - JOUR AU - O'Brian, Thomas AU - Kim, J AU - Lan, G AU - McIlrath, T AU - Lucatorto, Thomas C2 - Physical Review A (Atomic, Molecular and Optical Physics) DA - 1994-01-01 LA - en M1 - 49 PB - Physical Review A (Atomic, Molecular and Optical Physics) PY - 1994 TI - Verification of the Ponderomotive Approximation for the ac Stark Shift in Xe Rydberg Levels, ER -