Phys. Rev. Lett. 93, 243005 (2004) [4 pages]Photoassociative Production and Trapping of Ultracold KRb MoleculesReceived 16 July 2004; published 7 December 2004 We have produced ultracold heteronuclear KRb molecules by the process of photoassociation in a two-species magneto-optical trap. Following decay of the photoassociated KRb*, the molecules are detected using two-photon ionization and time-of-flight mass spectroscopy of KRb+. A portion of the metastable triplet molecules thus formed are magnetically trapped. Photoassociative spectra down to 91 cm-1 below the K(4s)+Rb(5p1/2) asymptote have been obtained. We have made assignments to all eight of the attractive Hund's case (c) KRb* potential curves in this spectral region. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.243005
DOI:
10.1103/PhysRevLett.93.243005
PACS:
33.80.Ps, 32.80.Pj, 33.20.–t, 34.50.Gb
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