Login Preferences
About News Publications Statistics Downloads API Guide License How to use Preferences
bn:03139710n
Noun Concept
SYL
No term available
EN
The caesium standard is a primary frequency standard in which the photon absorption by transitions between the two hyperfine ground states of caesium-133 atoms is used to control the output frequency. Wikipedia
Sources

Please note that, in order to improve your browsing experience on this website, BabelNet® uses various types of cookies, including: browsing functionality, performance and statistical cookies.

By continuing to browse the site you are agreeing to our use of cookies. OK

License