The possible contribution of gravity measurements to the difference between the NIST and NRC watt balance results

Download
  1. Get@NRC: The possible contribution of gravity measurements to the difference between the NIST and NRC watt balance results (Opens in a new window)
DOIResolve DOI: http://doi.org/10.1088/0026-1394/50/4/337
AuthorSearch for: ; Search for: ; Search for: ; Search for: ; Search for: ; Search for: ; Search for:
TypeArticle
Journal titleMetrologia
ISSN0026-1394
Volume50
Issue4
Pages337344; # of pages: 8
SubjectGravity measurement; National Institute of Standards and Technology; National Research Council; Planck constants; Relative uncertainty; Upper limits; Watt balance; Engineering; Metallurgical engineering; Metric system
AbstractWe report on a 2012 comparison of gravity used to determine the Planck constant by the National Institute of Standards and Technology (NIST) and the National Research Council Canada (NRC) watt balances. The results provide verification of the gravity values used in recently published discrepant Planck constant determinations that play a vital role in the redefinition effort of the International System of Units (SI) and set an upper limit of 10 parts in 109 on the relative uncertainty contribution of gravity observations to future Planck constant determinations by the NIST and NRC watt balances. © 2013 BIPM & IOP Publishing Ltd.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC)
NoteErratum published in volume 50, issue 5, pages 557-8, October 2013. DOI: 10.1088/0026-1394/50/5/557
Peer reviewedYes
NPARC number21270690
Export citationExport as RIS
Report a correctionReport a correction
Record identifierda6b267f-2ab6-4a82-8237-34e311a87555
Record created2014-02-17
Record modified2016-05-09
Bookmark and share
  • Share this page with Facebook (Opens in a new window)
  • Share this page with Twitter (Opens in a new window)
  • Share this page with Google+ (Opens in a new window)
  • Share this page with Delicious (Opens in a new window)