Abstract
We have produced ultracold, polar RbCs* molecules via photoassociation in a
laser-cooled mixture of Rb and Cs atoms. Using a model of the RbCs* molecular
interaction which reproduces the observed rovibrational structure, we infer
decay rates in our experiments into deeply bound singlet ground state RbCs
vibrational levels as high as 5 x 10^5 s^-1 per level. Population in such
deeply bound levels could be efficiently transferred to the vibrational ground
state using a single stimulated Raman transition, opening the possibility to
create large samples of stable, ultracold polar molecules.
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