Measurement of the zero crossing in a Feshbach resonance of fermionic 6Li

K. M. O'Hara, S. L. Hemmer, S. R. Granade, M. E. Gehm, J. E. Thomas, V. Venturi, E. Tiesinga, C. J. Williams

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Abstract

A zero crossing measurement in the scattering length of a mixture of the two lowest hyperfine state of 6Li was presented. To locate the zero crossing, the decrease in the temperature and atom number arising from evaporation in a CO2 laser trap as a function of magnetic field was monitored. The calculations using potentials that were constrained by the measured zero crossing were presented and a broad Feshbach resonance at ≈ 86 mT was also located.

Original languageEnglish (US)
Article number041401
Pages (from-to)414011-414014
Number of pages4
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume66
Issue number4
StatePublished - Oct 2002

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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