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Journal of Low Temperature Physics

, Volume 29, Issue 5–6, pp 431–443 | Cite as

Rayleigh linewidth measurements in liquid helium

  • E. A. Lazarus
  • N. C. FordJr.
  • R. B. Hallock
  • K. H. Langley
Article

Abstract

A small-angle intensity fluctuation spectrometer has been constructed and used to measure the width Γ of the Rayleigh component of 514.5-nm light scattered from liquid helium. The techniques utilized to maximize the weak scattered signal are described. Measurements of Γ at small angles (65<θ < 104 mrad) as a function of temperature (2.6<T<4.3 K) and pressure (0.27<P<1.42 MPa) agree with predictions based on hydrodynamic theory.

Keywords

Helium Magnetic Material Small Angle Liquid Helium Intensity Fluctuation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Corporation 1977

Authors and Affiliations

  • E. A. Lazarus
    • 1
  • N. C. FordJr.
    • 1
  • R. B. Hallock
    • 1
  • K. H. Langley
    • 1
  1. 1.Department of Physics and AstronomyUniversity of MassachusettsAmherst

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