Direct observation of s-wave atomic collisions

Kurt Gibble, Seongsik Chang, Ronald Legere

Research output: Contribution to journalArticlepeer-review

73 Scopus citations

Abstract

We observe the angular distribution of s-wave scattering of Cs atoms in an atomic fountain by selecting and probing atomic velocities. At an average temperature of T=0.89 μK the scattering is predominantly s-wave and we have a sensitivity to p-wave cross sections as small as 0.1% of the s-wave. The cross section is 4×10-11cm2 for atoms in the F=3, mF=0 state colliding with atoms distributed among the F=4, mF states. We also demonstrate a multiply loaded magneto-optic trap and a temperature of 1.53(7) μK.

Original languageEnglish (US)
Pages (from-to)2666-2669
Number of pages4
JournalPhysical review letters
Volume75
Issue number14
DOIs
StatePublished - 1995

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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