AustralieFrV1, Main, Exploration, bibRecord, 004B17

Accurate measurements of the Avogadro and Planck constants by counting silicon atoms

Identifieur interne : 004B17 ( Main/Exploration ); précédent : 004B16; suivant : 004B18

Accurate measurements of the Avogadro and Planck constants by counting silicon atoms

Auteurs : Horst Bettin [Allemagne] ; Kenichi Fujii [Japon] ; John Man [Australie] ; Giovanni Mana [Italie] ; Enrico Massa [Italie] ; Alain Picard [France]

Source :

Annalen der Physik [ 0003-3804 ] ; 2013-09.

RBID : ISTEX:D0FE8D162ADCECD98BF2E1770F5FA9F8C788FEB0

Descripteurs français

Wicri :
- topic : Métrologie, Physique nucléaire, Prototype.

English descriptors

Abstract

Fundamental constants link seemingly different fields of physics and seemingly different quantities and measurement units. Consequently, they are of the utmost interest in metrology and it has been planned to redefine the kilogram by fixing the numerical value of the Planck constant. This paper summarises the methods to measure the ratio between the Planck constant and a mass and reviews the determination of the Avogadro constant by counting the atoms in a silicon crystal highly enriched by the 28Si isotope.

Url:

https://api.istex.fr/document/D0FE8D162ADCECD98BF2E1770F5FA9F8C788FEB0/fulltext/pdf

DOI: 10.1002/andp.201300038

Affiliations:

Allemagne, Australie, France, Italie, Japon
Piémont, Île-de-France
Sèvres, Turin

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Le document en format XML

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<author><name sortKey="Massa, Enrico" sort="Massa, Enrico" uniqKey="Massa E" first="Enrico" last="Massa">Enrico Massa</name>
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<front><div type="abstract">Fundamental constants link seemingly different fields of physics and seemingly different quantities and measurement units. Consequently, they are of the utmost interest in metrology and it has been planned to redefine the kilogram by fixing the numerical value of the Planck constant. This paper summarises the methods to measure the ratio between the Planck constant and a mass and reviews the determination of the Avogadro constant by counting the atoms in a silicon crystal highly enriched by the 28Si isotope.</div>
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Accurate measurements of the Avogadro and Planck constants by counting silicon atoms

Accurate measurements of the Avogadro and Planck constants by counting silicon atoms

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

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