Quartz Tuning Fork in Helium
Use of a quartz tuning fork for precise measurements of density has been studied in normal 3He liquid and in 4He liquid and vapor, spanning a reasonably wide range of fluid densities. It is evident that the compressibility of the fluid must be accounted for in order to properly interpret the resonator response.
KeywordsNormal 3He Normal 4He Superfluid 4He Quartz tuning fork
PACS07.20.Mc 67.40.Hf 67.55.Fa 67.60.Fp
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