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Quantum Scattering in a Juggling Atomic Fountain

Ronald Legere and Kurt Gibble
Phys. Rev. Lett. 81, 5780 – Published 28 December 1998
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Abstract

We demonstrate a juggling atomic fountain by launching two laser-cooled balls of 133Cs atoms in rapid succession. The atoms collide near the top of the fountain and, by varying the delay between launches, we scan the collision energy from 19 to 150μK. We measure the differential scattering cross section and isolate the contributions from different partial waves including their interferences. We observe the s-wave energy dependence and the p-wave scattering threshold. We infer a triplet s-wave scattering length of 400a0 and a p wave of (107a0)3 for |F=4,m=4+|3,3.

  • Received 19 August 1998

DOI:https://doi.org/10.1103/PhysRevLett.81.5780

©1998 American Physical Society

Authors & Affiliations

Ronald Legere and Kurt Gibble

  • Department of Physics, Yale University, New Haven, Connecticut 06520-8120

See Also

Juggling Atoms

Phys. Rev. Focus 2, 34 (1998)

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Issue

Vol. 81, Iss. 26 — 28 December 1998

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