Schlamminger, S.
, El, D.
, Seifert, F.
, Chao, L.
, Newell, D.
, Liu, R.
, Steiner, R.
and Pratt, J.
(2014),
Determination of the Planck constant at the National Institute of Standards and Technology, Digest of the Conference on Precision Electromagnetic Measurements, Rio de Janeiro, -1
(Accessed October 23, 2025)
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Determination of the Planck constant at the National Institute of Standards and Technology
Published
Author(s)
, , , , , Ruimin Liu, ,
Abstract
In 2013, a new measurement of the Planck constant h was performed using a watt balance at the National Institute of Standards and Technology (NIST). The value is h=6.626 069 79(30) x 10^{-34} J s. The relative standard uncertainty of this determination is 45 x 10^{-9}.Proceedings Title
Digest of the Conference on Precision Electromagnetic Measurements
Conference Dates
August 24-29, 2014
Conference Location
Rio de Janeiro
Conference Title
Conference on Precision Electromagnetic Measurements (CPEM)
Pub Type
Conferences
Keywords
fundamental electrical measurements, watt balance, Planck constant, SI unit
Citation
Issues
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Created July 1, 2014, Updated October 24, 2019