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The CODATA 2017 values of h, e, k, and N A for the revision of the SI
Free accessShort CommunicationIOP Institute of Physics | 2018| -
The CIPM list of recommended frequency standard values: guidelines and procedures
Free accessPaperIOP Institute of Physics | 2018| -
Data and analysis for the CODATA 2017 special fundamental constants adjustmentThis report was prepared by the authors under the auspices of the Committee on Data for Science and Technology CODATA Task Group on Fundamental Constants. The members of the task group are F Cabiati, Istituto Nazionale di Ricerca Metrologica, Italy; J Fischer, Physikalisch-Technische Bundesanstalt, Germany; K Fujii, National Metrology Institute of Japan, Japan; S G Karshenboim, Pulkovo Observatory, Russian Federation and Ludwig-Maximilians-Universität, Germany; H S Margolis, National Phyiscal Laboratory, United Kingdom; E de Mirandés, Bureau international des poids et mesures; P J Mohr, National Institute of Standards and Technology, United States of America; D B Newell, National Institute of Standards and Technology, United States of America; F Nez, Laboratoire Kastler-Brossel, France; K Pachucki, University of Warsaw, Poland; T J Quinn, Bureau international des poids et mesures; B N Taylor, National Institute of Standards and Technology, United States of America; M Wang, Chinese Academy of Sciences, People’s Republic of China; B M Wood, National Research Council, Canada; Z Zhang, National Institute of Metrology, People’s Republic of China.
Free accessPaperIOP Institute of Physics | 2018| -
The revision of the SI—the result of three decades of progress in metrology
Free accessReviewIOP Institute of Physics | 2019| -
Quantum imaging with sub-Poissonian light: challenges and perspectives in optical metrology
Free accessPaperIOP Institute of Physics | 2019| -
Advances in the accuracy, stability, and reliability of the PTB primary fountain clocks
PaperIOP Institute of Physics | 2018| -
Applying principles of metrology to historical Earth observations from satellites
Free accessReviewIOP Institute of Physics | 2019| -
Improved measurement results for the Avogadro constant using a 28Si-enriched crystal
Free accessPaperIOP Institute of Physics | 2015| -
Shift evaluation of the atomic gravimeter NIM-AGRb-1 and its comparison with FG5X
PaperIOP Institute of Physics | 2018| -
A new 28Si single crystal: counting the atoms for the new kilogram definition
Free accessPaperIOP Institute of Physics | 2017| -
First international comparison of fountain primary frequency standards via a long distance optical fiber link
Free accessPaperIOP Institute of Physics | 2017| -
Impact of the latest generation of Josephson voltage standards in ac and dc electric metrology
PaperIOP Institute of Physics | 2018| -
Perspectives for a new realization of the pascal by optical methods
PaperIOP Institute of Physics | 2017| -
A determination of the Planck constant using the LNE Kibble balance in air
PaperIOP Institute of Physics | 2017| -
An improved electronic determination of the Boltzmann constant by Johnson noise thermometry
PaperIOP Institute of Physics | 2017| -
A new generation of 99.999% enriched 28Si single crystals for the determination of Avogadro’s constant
Free accessPaperIOP Institute of Physics | 2017| -
Measurement of the Planck constant at the National Institute of Standards and Technology from 2015 to 2017
Free accessPaperIOP Institute of Physics | 2017| -
Consensus building for interlaboratory studies, key comparisons, and meta-analysis
PaperIOP Institute of Physics | 2017|
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