• DocumentCode
    236357
  • Title

    Determination of the Planck constant at the national institute of Standards and Technology

  • Author

    Schlamminger, Stephan ; Haddad, Darine ; Seifert, Frank ; Chao, Leon S. ; Newell, David B. ; Liu, Richard ; Steiner, R.L. ; Pratt, Jon R.

  • Author_Institution
    Nat. Inst. of Stand. & Technol. (NIST), Gaithersburg, MD, USA
  • fYear
    2014
  • fDate
    24-29 Aug. 2014
  • Firstpage
    430
  • Lastpage
    431
  • Abstract
    In 2013, a new measurement of the Planck constant h was performed using a watt balance at the National Institute of Standards and Technology (NIST). The value is h = 6.626 069 79(30) × 10-34 Js. The relative standard uncertainty of this determination is 45 × 10-9.
  • Keywords
    constants; measurement uncertainty; weighing; Planck constant measurement; relative standard uncertainty; watt balance; Current measurement; Force; NIST; Uncertainty; Voltage measurement; Planck constant; SI units; fundamental electrical measurements; watt balance;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Precision Electromagnetic Measurements (CPEM 2014), 2014 Conference on
  • Conference_Location
    Rio de Janeiro
  • ISSN
    0589-1485
  • Print_ISBN
    978-1-4799-5205-2
  • Type

    conf

  • DOI
    10.1109/CPEM.2014.6898443
  • Filename
    6898443
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=236357