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Journal of Physics Conference Series

Measurement of the 5D level polarizabilities in laser cooled Rb atoms

Dmitry O. Tregubov, Stepan Snigirev, Artem A. Golovizin, Sergey Pyatchenkov, Денис Дмитриевич Сукачев, Alexey V. Akimov, В. Н. Сорокин, N Kolachevskyv

Published Sep 7, 2015• 1 citation
Publisher

Abstract

We report on accurate measurements of the scalar α S and tensor α T polarizabilities of the 5 D fine structure levels 5 D 3/2 and 5 D 5/2 in Rb.
DOI
10.1088/1742-6596/635/9/092121

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The Stark effect of the 5 s 2 S 1/2 –5 p 2 P 3/2 transition ( D 2 line) of Rb has been studied by high-resolution atomic-beam laser spectroscopy. The splittings of magnetic sublevels of 5 p 2 P 3/2 have been resolved, and the Stark shifts and splittings of the D 2 line have been measured at various electric fields. The scalar polarizability of the D 2 line and the tensor polarizability of the 5 p 2 P 3/2 level have been determined to be α s (5 p 2 P 3/2 ) - α s (5 s 2 S 1/2 ) = 136.95(89) kHz/(kV/cm) 2 and α t (5 p 2 P 3/2 ) = -40.91(38) kHz/(kV/cm) 2 , respectively, by considering the mixing between hyperfine structure levels of 5 p 2 P 3/2 . The precision of α t (5 p 2 P 3/2 ) has been improved by a factor of 2 compared with the previously reported values.