The IMERAPlus joint research project for determinations of the Boltzmann constant

J. Fischer, B. Fellmuth, C. Gaiser, T. Zandt, L. Pitre, S. Briaudeau, F. Sparasci, D. Truong, Y. Hermier, R.M. Gavioso, C. Guianvarc'H, P.A.G. Albo, A. Merlone, F. Moro, M. De Podesta, G. Sutton, R. Underwood, G. Machin, D. Del Campo, J. Segovia Puras & 13 others D. Vega-Maza, J. Petersen, J. Hald, L. Nielsen, S. Valkiers, B. Darquié, C. Bordé, C. Chardonnet, C. Daussy, L. Gianfrani, A. Castrillo, P. Laporta, G. Galzerano

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

Abstract

To provide new determinations of the Boltzmann constant, k, which has been asked for by the International Committee for Weights and Measures concerning preparative steps towards new definitions of the kilogram, the ampere, the kelvin and the mole, an iMERAPlus joint research project has coordinated the European activities in this field. In this major European research project the Boltzmann constant has been determined by various methods to support the new definition of the kelvin. The final results of the project are reviewed in this paper. Determinations of the Boltzmann constant k were achieved within the project by all three envisaged methods: acoustic gas thermometry, Doppler broadening technique, and dielectric constant gas thermometry. The results were exploited by the interdisciplinary Committee on Data for Science and Technology (CODATA) in their 2010 adjustment of recommended values for fundamental constants. As a result, the CODATA group recommended a value for k with a relative standard uncertainty about a factor of two smaller than the previous u(k)/k of 1.7×10−6.
Original languageEnglish
Title of host publicationTEMPERATURE: ITS MEASUREMENT AND CONTROL IN SCIENCE AND INDUSTRY, VOLUME 8
Subtitle of host publicationProceedings of the Ninth International Temperature Symposium
EditorsChristopher W. Meyer
PublisherAIP Publishing
Pages2-12
Number of pages11
ISBN (Print)9780735411784
DOIs
Publication statusPublished - Sep 2013
Event9th International Temperature Symposium (ITS9) - Los Angeles, United States
Duration: 19 Mar 201223 Mar 2012

Publication series

NameAIP Conference Proceedings
PublisherAIP publishing
Number1
Volume1552

Conference

Conference9th International Temperature Symposium (ITS9)
CountryUnited States
CityLos Angeles
Period19/03/1223/03/12

Fingerprint

research projects
temperature measurement
gases
adjusting
permittivity
acoustics

Keywords

  • fundamental constant
  • Boltzmann constant
  • International System of Units
  • primary thermometry

Cite this

Fischer, J., Fellmuth, B., Gaiser, C., Zandt, T., Pitre, L., Briaudeau, S., ... Galzerano, G. (2013). The IMERAPlus joint research project for determinations of the Boltzmann constant. In C. W. Meyer (Ed.), TEMPERATURE: ITS MEASUREMENT AND CONTROL IN SCIENCE AND INDUSTRY, VOLUME 8: Proceedings of the Ninth International Temperature Symposium (pp. 2-12). (AIP Conference Proceedings; Vol. 1552, No. 1). AIP Publishing. https://doi.org/10.1063/1.4821367

The IMERAPlus joint research project for determinations of the Boltzmann constant. / Fischer, J.; Fellmuth, B.; Gaiser, C.; Zandt, T.; Pitre, L.; Briaudeau, S.; Sparasci, F.; Truong, D.; Hermier, Y.; Gavioso, R.M.; Guianvarc'H, C.; Albo, P.A.G.; Merlone, A.; Moro, F.; De Podesta, M.; Sutton, G.; Underwood, R.; Machin, G.; Del Campo, D.; Segovia Puras, J.; Vega-Maza, D.; Petersen, J.; Hald, J.; Nielsen, L.; Valkiers, S.; Darquié, B.; Bordé, C.; Chardonnet, C.; Daussy, C.; Gianfrani, L.; Castrillo, A.; Laporta, P.; Galzerano, G.

TEMPERATURE: ITS MEASUREMENT AND CONTROL IN SCIENCE AND INDUSTRY, VOLUME 8: Proceedings of the Ninth International Temperature Symposium. ed. / Christopher W. Meyer. AIP Publishing, 2013. p. 2-12 (AIP Conference Proceedings; Vol. 1552, No. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fischer, J, Fellmuth, B, Gaiser, C, Zandt, T, Pitre, L, Briaudeau, S, Sparasci, F, Truong, D, Hermier, Y, Gavioso, RM, Guianvarc'H, C, Albo, PAG, Merlone, A, Moro, F, De Podesta, M, Sutton, G, Underwood, R, Machin, G, Del Campo, D, Segovia Puras, J, Vega-Maza, D, Petersen, J, Hald, J, Nielsen, L, Valkiers, S, Darquié, B, Bordé, C, Chardonnet, C, Daussy, C, Gianfrani, L, Castrillo, A, Laporta, P & Galzerano, G 2013, The IMERAPlus joint research project for determinations of the Boltzmann constant. in CW Meyer (ed.), TEMPERATURE: ITS MEASUREMENT AND CONTROL IN SCIENCE AND INDUSTRY, VOLUME 8: Proceedings of the Ninth International Temperature Symposium. AIP Conference Proceedings, no. 1, vol. 1552, AIP Publishing, pp. 2-12, 9th International Temperature Symposium (ITS9), Los Angeles, United States, 19/03/12. https://doi.org/10.1063/1.4821367
Fischer J, Fellmuth B, Gaiser C, Zandt T, Pitre L, Briaudeau S et al. The IMERAPlus joint research project for determinations of the Boltzmann constant. In Meyer CW, editor, TEMPERATURE: ITS MEASUREMENT AND CONTROL IN SCIENCE AND INDUSTRY, VOLUME 8: Proceedings of the Ninth International Temperature Symposium. AIP Publishing. 2013. p. 2-12. (AIP Conference Proceedings; 1). https://doi.org/10.1063/1.4821367
Fischer, J. ; Fellmuth, B. ; Gaiser, C. ; Zandt, T. ; Pitre, L. ; Briaudeau, S. ; Sparasci, F. ; Truong, D. ; Hermier, Y. ; Gavioso, R.M. ; Guianvarc'H, C. ; Albo, P.A.G. ; Merlone, A. ; Moro, F. ; De Podesta, M. ; Sutton, G. ; Underwood, R. ; Machin, G. ; Del Campo, D. ; Segovia Puras, J. ; Vega-Maza, D. ; Petersen, J. ; Hald, J. ; Nielsen, L. ; Valkiers, S. ; Darquié, B. ; Bordé, C. ; Chardonnet, C. ; Daussy, C. ; Gianfrani, L. ; Castrillo, A. ; Laporta, P. ; Galzerano, G. / The IMERAPlus joint research project for determinations of the Boltzmann constant. TEMPERATURE: ITS MEASUREMENT AND CONTROL IN SCIENCE AND INDUSTRY, VOLUME 8: Proceedings of the Ninth International Temperature Symposium. editor / Christopher W. Meyer. AIP Publishing, 2013. pp. 2-12 (AIP Conference Proceedings; 1).
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abstract = "To provide new determinations of the Boltzmann constant, k, which has been asked for by the International Committee for Weights and Measures concerning preparative steps towards new definitions of the kilogram, the ampere, the kelvin and the mole, an iMERAPlus joint research project has coordinated the European activities in this field. In this major European research project the Boltzmann constant has been determined by various methods to support the new definition of the kelvin. The final results of the project are reviewed in this paper. Determinations of the Boltzmann constant k were achieved within the project by all three envisaged methods: acoustic gas thermometry, Doppler broadening technique, and dielectric constant gas thermometry. The results were exploited by the interdisciplinary Committee on Data for Science and Technology (CODATA) in their 2010 adjustment of recommended values for fundamental constants. As a result, the CODATA group recommended a value for k with a relative standard uncertainty about a factor of two smaller than the previous u(k)/k of 1.7×10−6.",
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author = "J. Fischer and B. Fellmuth and C. Gaiser and T. Zandt and L. Pitre and S. Briaudeau and F. Sparasci and D. Truong and Y. Hermier and R.M. Gavioso and C. Guianvarc'H and P.A.G. Albo and A. Merlone and F. Moro and {De Podesta}, M. and G. Sutton and R. Underwood and G. Machin and {Del Campo}, D. and {Segovia Puras}, J. and D. Vega-Maza and J. Petersen and J. Hald and L. Nielsen and S. Valkiers and B. Darqui{\'e} and C. Bord{\'e} and C. Chardonnet and C. Daussy and L. Gianfrani and A. Castrillo and P. Laporta and G. Galzerano",
note = "Acknowledgements The authors gratefully acknowledge both a personal and a professional debt to Michael Moldover at NIST and Jim Mehl (formerly at NIST and the University of Delaware). The authors are grateful to Wladimir Sabuga and Otto Jusko at PTB who designed, put into operation and characterized the pressure balances. Many other research institutions and private companies have contributed to the project outcome. Special thanks go to: Cranfield University (UK), Universit{\'e} du Maine (F), Scottish Universities Environmental Research Centre (UK), Savimex (F), Rial Vacuum (I), Linde Gas (G), and DH Instruments (USA). The research within the EURAMET Joint Research Project received funding from the European Community’s Seventh Framework Programme, iMERAPlus, under Grant Agreement No 217257 which is gratefully acknowledged.",
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N1 - Acknowledgements The authors gratefully acknowledge both a personal and a professional debt to Michael Moldover at NIST and Jim Mehl (formerly at NIST and the University of Delaware). The authors are grateful to Wladimir Sabuga and Otto Jusko at PTB who designed, put into operation and characterized the pressure balances. Many other research institutions and private companies have contributed to the project outcome. Special thanks go to: Cranfield University (UK), Université du Maine (F), Scottish Universities Environmental Research Centre (UK), Savimex (F), Rial Vacuum (I), Linde Gas (G), and DH Instruments (USA). The research within the EURAMET Joint Research Project received funding from the European Community’s Seventh Framework Programme, iMERAPlus, under Grant Agreement No 217257 which is gratefully acknowledged.

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N2 - To provide new determinations of the Boltzmann constant, k, which has been asked for by the International Committee for Weights and Measures concerning preparative steps towards new definitions of the kilogram, the ampere, the kelvin and the mole, an iMERAPlus joint research project has coordinated the European activities in this field. In this major European research project the Boltzmann constant has been determined by various methods to support the new definition of the kelvin. The final results of the project are reviewed in this paper. Determinations of the Boltzmann constant k were achieved within the project by all three envisaged methods: acoustic gas thermometry, Doppler broadening technique, and dielectric constant gas thermometry. The results were exploited by the interdisciplinary Committee on Data for Science and Technology (CODATA) in their 2010 adjustment of recommended values for fundamental constants. As a result, the CODATA group recommended a value for k with a relative standard uncertainty about a factor of two smaller than the previous u(k)/k of 1.7×10−6.

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