Data and analysis for the CODATA 2017 special fundamental constants adjustment

@article{Mohr2018DataAA,
  title={Data and analysis for the CODATA 2017 special fundamental constants adjustment},
  author={Peter J. Mohr and David B. Newell and Barry N. Taylor and Eite Tiesinga},
  journal={Metrologia},
  year={2018},
  volume={55},
  pages={125-146}
}
The special least-squares adjustment of the values of the fundamental constants, carried out by the Committee on Data for Science and Technology (CODATA) in the summer of 2017, is described in detail. It is based on all relevant data available by 1 July 2017. The purpose of this adjustment is to determine the numerical values of the Planck constant h, elementary charge e, Boltzmann constant k, and Avogadro constant N A for the revised SI expected to be established by the 26th General Conference… 
The CODATA 2017 Special Adjustment for the Revision of the SI
  • D. Newell
  • Computer Science
    2018 Conference on Precision Electromagnetic Measurements (CPEM 2018)
  • 2018
TLDR
The exact values of the Planck constant h, elementary charge e, Boltzmann constant k, and Avogadro constant NA are presented and recommended to form the foundation of the revised SI.
The CODATA 2017 values of h, e, k, and N A for the revision of the SI
Sufficient progress towards redefining the International System of Units (SI) in terms of exact values of fundamental constants has been achieved. Exact values of the Planck constant h, elementary
Maintaining consensus for the redefined kilogram
According to the 2013 recommendation of the Consultative Committee for Mass and Related Quantities (CCM), the upcoming redefinition of the kilogram based on the value of the Planck constant specifies
The Planck Constant for the Definition and Realization of the Kilogram
On May 20, 2019 the values of the Planck, h, and Avogadro, NA, constants will be fixed, revising our measurement system, the International System of Units (SI), and providing a new way to get mass
The Planck-Balance—using a fixed value of the Planck constant to calibrate E1/E2-weights
A balance is proposed, which allows the calibration of weights in a continuous range from 1 mg to 1 kg using a fixed value of the Planck constant, h. This so-called Planck-Balance (PB) uses the
Understanding the Revised SI: Background, Consequences, and Perspectives
This article expounds the significance of the revision of the international system of units, the SI, approved by the General Conference on Weights and Measures (CGPM) in 2018. The revised SI
Quantity Calculus, Fundamental Constants, and SI Units
  • B. Taylor
  • Physics
    Journal of Research of the National Institute of Standards and Technology
  • 2018
A revised International System of Units (SI) is expected to be established by the 26th General Conference on Weights and Measures when it convenes in November 2018 and to be put into practice
Usage of Silicon Crystals to Determine the Avogadro and Planck Constants
  • H. Bettin
  • Materials Science
    2018 Conference on Precision Electromagnetic Measurements (CPEM 2018)
  • 2018
Crystals produced from silicon that is highly enriched in the28Si isotope were used to determine the Avogadro constant by means of the X-ray crystal density (XRCD) method. The results were included
The Revision of the SI – Towards an International System of Units Based on Defining Constants
Following many years of intense investigations, leading to significant progress with the determination of fundamental constants, it is now likely that the General Conference for Weights and Measures
...
1
2
3
4
5
...

References

SHOWING 1-10 OF 50 REFERENCES
CODATA Recommended Values of the Fundamental Physical Constants: 2006
This paper gives the 2010 self-consistent set of values of the basic constants and conversion factors of physics and chemistry recommended by the Committee on Data for Science and Technology (CODATA)
A determination of the Planck constant using the LNE Kibble balance in air
A determination of the Planck constant h using the LNE Kibble balance in air was carried out in the spring of 2017. Substantial improvements since 2014, chiefly related to the mass standard,
First determination of the Planck constant using the LNE watt balance
After separate developments of the different elements with continuous characterizations and improvements, the LNE watt balance has been assembled. This paper describes the system in detail and gives
A summary of the Planck constant determinations using the NRC Kibble balance
We present a summary of the Planck constant determinations using the NRC watt balance, now referred to as the NRC Kibble balance. The summary includes a reanalysis of the four determinations
A low-uncertainty measurement of the Boltzmann constant
The Comite international des poids et mesures (CIPM) has projected a major revision of the International System of Units (SI) in which all of the base units will be defined by fixing the values of
The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures
This paper is the first of two articles (Part I and Part II) that presents the results of the new atomic mass evaluation, AME2016. It includes complete information on the experimental input data
A Boltzmann Constant Determination Based on Johnson Noise Thermometry.
TLDR
A value for the Boltzmann constant was measured electronically using an improved version of the Johnson Noise Thermometry (JNT) system at the National Institute of Standards and Technology (NIST), USA, with a relative standard uncertainty of 5.5%.
Re-estimation of argon isotope ratios leading to a revised estimate of the Boltzmann constant
In 2013, NPL, SUERC and Cranfield University published an estimate for the Boltzmann constant [1] based on a measurement of the limiting low-pressure speed of sound in argon gas. Subsequently, an
The first determination of the Planck constant with the joule balance NIM-2
The National Institute of Metrology (NIM, China) proposed a joule balance method to measure the Planck constant in 2006, and built the first prototype NIM-1 to verify its principle with a relative
Measurement of the Planck constant at the National Institute of Standards and Technology from 2015 to 2017
Researchers at the National Institute of Standards and Technology(NIST) have measured the value of the Planck constant to be $h =6.626\,069\,934(89)\times 10^{-34}\,$J$\,$s (relative standard
...
1
2
3
4
5
...