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Hyperfine shifts for cesium in Argon at high density

Abstract

An optical pumping experiment was performed to obtain precise hfs shifts for Cs in Argon. The shifts measured include a term quadratic in the densityρ and a large temperature coefficient. The coefficients of the expansionδv/v 0=a ρ+bρ 2 area(80 °C)=−29.8(6)x10−9(Torr−1(0°C))b(80 °C)=+11(2)x10−14(Torr−2(0 °C)).

The shift grows more negative with increasing temperature by 0.37 (2)%/°C.

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This work was sponsored by the Deutsche Forschungsgemeinschaft.

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Dorenburg, K., Glas, H.-., Kaufman, S.L. et al. Hyperfine shifts for cesium in Argon at high density. Z. Physik 267, 257–259 (1974). https://doi.org/10.1007/BF01669445

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Keywords

  • Argon
  • Elementary Particle
  • Cesium
  • Temperature Coefficient
  • Large Temperature