A determination of Planck's constant using the NRC watt balance

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DOIResolve DOI: http://doi.org/10.1088/0026-1394/51/2/S5
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TypeArticle
Journal titleMetrologia
ISSN0026-1394
Volume51
Issue2
PagesS5S14
SubjectEngineering; Metallurgical engineering; Experimental procedure; Measurement uncertainty; Measurements of; Nominal values; Planck constants; Planck's constants; Watt balance; Uncertainty analysis
AbstractWe have measured Planck's constant and have obtained a value of 6.626 070 34(12) × 10-34 J s. To our knowledge this measurement of h has the lowest uncertainty reported to date. This result has been obtained from measurements of four masses of different material and nominal values varying from 1 kg to 250 g. The experimental procedures and the measurement uncertainties are described in detail.
Publication date
PublisherIOP Publishing
LanguageEnglish
AffiliationNational Research Council Canada; Measurement Science and Standards
Peer reviewedYes
NPARC number21272726
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Record identifier4c7504b2-a387-4d73-a551-c82db3bd6918
Record created2014-12-03
Record modified2016-05-09
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