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The International System of Units (SI) provides definitions of units of measurement that are widely accepted in science and technology and which set measurement standards agreed to through the Convention of the Meter, a diplomatic treaty between fifty-four nations. The International Bureau of Weights and Measures (BIPM) located in Sèvres near Paris, France has the task of ensuring world-wide uniformity of measurements and their traceability to the SI.
Members of the Fundamental Constants Data Center (FCDC) participate in meetings of the Consultative Committee for Units (CCU) which advises the International Committee for Weights and Measures on matters concerning the SI. The latest meeting of the CCU, held at the BIPM in June of 2013 was attended by Peter Mohr, David Newell, and Barry Taylor, of the FCDC.
“Reply to Comments on ‘Dimensionless units in the SI’ ” P. J. Mohr and W. D. Phillips, Metrologia 52, 617-618 (2015)
“Dimensionless units in the SI” P. J. Mohr and W. D. Phillips, Metrologia 52 (1), 40-47 (2015)
"A more fundamental International System of Units." D. B. Newell, Physics Today 67(7), 35 (2014)
“Adapting the International System of Units to the twenty-first century” I. M.Mills, P. J. Mohr, T. J. Quinn, B. N. Taylor, and E. R. Williams, Phil. Trans. R. Soc. A 369(1953), 3907-3924 (2011)
“A summary of the Planck constant measurements using a watt balance with a superconducting solenoid at NIST” S. Schlamminger, R. L. Steiner, D. Haddad, D. B. Newell, F. Seifert, L. S. Chao, R. Liu, E. R. Williams, and J. R. Pratt, Metrologia 52(2), L5-L8 (2015)
“Molar mass and related quantities in the New SI,” B.N. Taylor, Metrologia 46(3), L16-L17 (2009).
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