Phys. Rev. A 80, 022714 (2009) [4 pages]Efimov states in atom-molecule collisionsReceived 25 May 2009; published 24 August 2009 We analyze scattering of a heavy atom off a weakly bound molecule comprising an identical heavy and a light atom in the Born-Oppenheimer approximation. We focus on the situation where the heavy atoms are bosons, which was realized in several experiments. The elastic and inelastic cross sections for the atom-molecular scattering exhibit a series of resonances corresponding to three-body Efimov states. Resonances in elastic collisions are accessible experimentally through thermalization rates and thus constitute an alternative way of observing Efimov states. © 2009 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.80.022714
DOI:
10.1103/PhysRevA.80.022714
PACS:
34.50.−s, 34.10.+x
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