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Universal rate constants for reactive collisions of ultracold molecules | | Zbigniew Idziaszek
; Paul S. Julienne
; | | Date: |
2 Dec 2009 | | Abstract: | A simple quantum defect model gives analytic expressions for the complex
scattering length and threshold collision rates of ultracold molecules. If the
probability of reaction in the short-range part of the collision is high, the
model gives universal rate constants for s- and p-wave collisions that are
independent of short-range dynamics. This model explains the magnitudes of the
recently measured rate constants for collisions of two ultracold 40K87Rb
molecules, or an ultracold 40K atom with the 40K87Rb molecule [Ospelkaus et
al., submitted (2009)]. | | Source: | arXiv, 0912.0370 | | Services: | Forum | Review | PDF | Favorites | |
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