A one-kilogram quartz resonator as a mass standard

Abstract

The SI unit of mass, the kilogram, is defined by a single artifact, the International Prototype Kilogram. This artifact, the primary mass standard, suffers from long-term instabilities that are neither well understood nor easily monitored. A secondary mass standard consisting of a 1-kg quartz resonator in ultrahigh vacuum is proposed. The frequency… (More)
DOI: 10.1109/TUFFC.2013.2580

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