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

Metrologia

Volumn 51, Issue 2, 2014, Pages

  Sanchez, C A ^a   Wood, B M ^a   Green, R G ^a   Liard, J O ^a   Inglis, D ^a  

^a NATIONAL RESEARCH COUNCIL CANADA   (Canada)

Author keywords

Kilogram; Planck constant; Watt balance

Indexed keywords

ENGINEERING; METALLURGICAL ENGINEERING;

EXPERIMENTAL PROCEDURE; KILOGRAM; MEASUREMENT UNCERTAINTY; MEASUREMENTS OF; NOMINAL VALUES; PLANCK CONSTANTS; PLANCK'S CONSTANTS; WATT BALANCE;

UNCERTAINTY ANALYSIS;

EID: 84897401371     PISSN: 00261394     EISSN: 16817575     Source Type: Journal    
DOI: 10.1088/0026-1394/51/2/S5     Document Type: Article

References (23)

1. von Klitzing K, Dorda G and Pepper M 1980 New method for high accuracy determination of the fine-structure constant based on quantised Hall resistance Phys. Rev. Lett. 45 494-7
2. Josephson B D 1962 Possible new effects in superconductive tunneling Phys. Lett. 1 251-3
3. Kibble B P 1976 A measurement of the gyromagnetic ratio of the proton by the strong field method Atomic Masses and Fundamental Constants vol 5 ed J H Sanders and A H Wapstra (New York: Plenum) pp 545-51
4. Mills I M, Mohr P J, Quinn T J, Taylor B N and Williams E R 2005 Redefinition of the kilogram: a decision whose time has come Metrologia 42 71-80
5. Kibble B P, Robinson I A and Belliss J H 1990 A realization of the SI watt by the NPL moving-coil balance Metrologia 27 173-92
6. Williams E R, Steiner R L, Newell D B and Olsen P T 1998 Accurate measurement of the Planck constant Phys. Rev. Lett. 81 2404-7
7. Eichenberger A et al 2011 Determination of the Planck constant with the METAS watt balance Metrologia 48 133-41
8. Genevès G et al 2005 The BNM watt balance project IEEE Trans. Instrum. Meas. 54 850-3
9. Picard A, Fang H, Kiss A, de Mirandés E, Stock M and Urano C 2009 Progress on the BIPM watt balance IEEE Trans. Instrum. Meas. 58 924-9
10. Zhang Z, He Q and Li Z 2006 An approach for improving the watt balance Digest 2006 Conf. on Precision Electromagnetic Measurements (Torino, Italy,) pp 126-7
11. Becker P 2001 History and progress in the accurate determination of the Avogadro constant Rep. Prog. Phys. 64 1945-2008
12. Steele A G et al 2012 Reconciling Planck constant determinations via watt balance and enriched-silicon measurements at NRC Canada Metrologia 49 L8-10
13. Robinson I A 2012 Toward the redefinition of the kilogram: a measurement of the Planck constant using the NPL Mark II watt balance Metrologia 49 113-56
14. Raine K W and Downes M J 1978 Beam-splitter coatings for producing phase quadrature interferometer outputs Opt. Acta 25 549-58
15. Sanchez C A, Wood B M and Inglis D 2009 CCC bridge with digitally controlled current sources IEEE Trans. Instrum. Meas. 58 1202-5
16. Sanchez C A and Wood B M 2014 Alignment of the NRC watt balance: considerations, uncertainties and techniques Metrologia 51 S42-53
17. Picard A and Fang H 2004 Methods to determine water vapour sorption on mass standards Metrologia 41 333-9
18. Liard J O, Sanchez C A, Wood B M, Inglis D and Silliker R J 2014 Gravimetry for watt balance measurements Metrologia 51 S32-41
19. Jiang Z et al 2012 The 8th International Comparison of Absolute Gravimeters 2009: the first Key Comparison (CCM.G-K1) in the field of absolute gravimetry Metrologia 49 666-84
20. Newell D B, Liard J O, Inglis A D, Eckl M C, Winester D, Silliker R J and Gagnon C G L 2013 The possible contribution of gravity measurements to the difference between the NIST and NRC watt balance results Metrologia 50 337-44
21. Sanchez C A, Wood B M, Inglis D and Robinson I A 2013 Elimination of mass-exchange errors in the NRC watt balance IEEE Trans. Instrum. Meas. 62 1506-11
22. Li S, Zhang Z and Han B 2013 Nonlinear magnetic error evaluation of a two-mode watt balance experiment Metrologia 50 482-9
23. Davis R and Gläser M 2003 Magnetic properties of weights their measurements and magnetic interactions between weights and balances Metrologia 40 339-55