Photoassociation of Ultracold NaLi
Timur M. Rvachov, Hyungmok Son, Juliana J. Park, Pascal M. Notz, Tout, T. Wang, Martin W. Zwierlein, Wolfgang Ketterle, Alan O. Jamison
TL;DR
This paper reports the first observation of the $c^3\Sigma^+$ excited triplet molecular potential in ultracold NaLi, using photoassociation spectroscopy to identify vibrational states with high precision and analyze their properties.
Contribution
It introduces the first measurement of the $c^3\Sigma^+$ potential and demonstrates photoassociation in the NaLi system, providing detailed vibrational data and potential analysis.
Findings
Observed 50 vibrational states with 20 MHz accuracy
Provided line strength data from loss measurements
Analyzed vibrational lines using potential fitting
Abstract
We perform photoassociation spectroscopy in an ultracold Na-Li mixture to study the excited triplet molecular potential. We observe 50 vibrational states and their substructure to an accuracy of 20 MHz, and provide line strength data from photoassociation loss measurements. An analysis of the vibrational line positions using near-dissociation expansions and a full potential fit is presented. This is the first observation of the potential, as well as photoassociation in the NaLi system.
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