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Measurement of elastic cross section for cold cesium collisions

Abstract:
We have measured the time taken for a magnetically trapped cloud of cold cesium atoms in the (F =3,mF=-3) ground state to rethermalize from a nonequilibrium spatial and velocity distribution. From these measurements we infer the dependences of the elastic scattering cross section on temperature and magnetic field in the ranges 1 - 30 μΚ and 0.05-2.0 mT, respectively. We determine a lower bound on the magnitude of the (3,-3) + (3,-3) s-wave scattering length of 940a0.
Publication status:
Published

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Publisher copy:
10.1103/PhysRevA.61.032707

Authors


Hopkins, SA More by this author
Webster, S More by this author
Cornish, S More by this author
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Journal:
PHYSICAL REVIEW A
Volume:
61
Issue:
3
Pages:
art. no.-032707
Publication date:
2000-03-05
DOI:
EISSN:
1094-1622
ISSN:
1050-2947
URN:
uuid:13dc7f06-5eb3-4938-93ee-c438020dfcc5
Source identifiers:
10150
Local pid:
pubs:10150
Language:
English

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