Phys. Rev. Lett. 80, 4402–4405 (1998)Formation of Cold Cs2 Molecules through PhotoassociationReceived 10 November 1997; published in the issue dated 18 May 1998 We have performed photoassociative spectroscopy of cold Cs atoms in a vapor-cell magneto-optical trap, within 10cm-1 below the dissociation limit 6s2S1/2+6p2P3/2. Our detection method is based on pulsed-laser photoionization of Cs2 molecules, selectively detected through a time-of-flight mass spectrometer. Temporal and spatial analysis of Cs2+ ions show for the first time the formation of translationally cold Cs2 triplet ground state molecules, at a temperature T∼300μK. © 1998 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.80.4402
DOI:
10.1103/PhysRevLett.80.4402
PACS:
32.80.Pj, 33.20.-t, 33.80.Ps, 34.20.-b
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