Permanent dipole moment of LiCs in the ground state

J. Deiglmayr, A. Grochola, M. Repp, O. Dulieu, R. Wester, and M. Weidemüller

Phys. Rev. A 82, 032503 – Published 10 September 2010

Abstract

Recently we demonstrated the formation of ultracold polar LiCs molecules in deeply bound levels of the $X^{1} Σ^{+}$ ground state, including the rovibrational ground state [J. Deiglmayr et al., Phys. Rev. Lett. 101, 133004 (2008)]. Here we report on an experimental determination of the permanent electric dipole moment of deeply bound LiCs molecules. For $X^{1} Σ^{+}$ , $v^{″} = 2$ , and $v^{″} = 3$ we measure values of $μ = 5.5 (2)$ D and 5.3(2) D, respectively.

Received 7 July 2010

DOI:https://doi.org/10.1103/PhysRevA.82.032503

Authors & Affiliations

J. Deiglmayr^*, A. Grochola^†, M. Repp, O. Dulieu^‡, R. Wester^*, and M. Weidemüller^§

Ruprecht-Karls-Universität Heidelberg, Physikalisches Institut, Philosophenweg 12, D-69120 Heidelberg, Germany

^*Permanent address: Albert-Ludwigs-Universität Freiburg, Physikalisches Institut, Hermann-Herder-Str. 3, D-79104 Freiburg, Germany.
^†Permanent address: Institute of Experimental Physics, Warsaw University, Poland.
^‡Permanent address: Laboratoire Aimé Cotton, CNRS, Université Paris-Sud XI, Orsay, France.
^§Corresponding author: weidemueller@physi.uni-heidelberg.de

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Vol. 82, Iss. 3 — September 2010

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