Archivio Istituzionale della RicercaWe have compared the frequency of a room-temperature cesium-fountain primary frequency standard with that of a cryogenic (~80K) cesium fountain. This comparison yields a measurement of the blackbody frequency shift of the room-temperature fountain.
Comparing Room Temperature and Cryogenic (77K) Cs Fountains at INRIM and NIST / T. P., Heavner; T. E., Parker; J. H., Shirley; P., Kunz; S. R., Jefferts; F., Levi; D., Calonico; A., Godone; Costanzo, Giovanni Antonio; Mongino, Barbara. - ELETTRONICO. - -:(2011), pp. 1-3. (Intervento presentato al convegno Joint conference of the IEEE International Frequency Control and the European Frequency and Time Forum (FCS) 2011 tenutosi a San Francisco nel May 2-5) [10.1109/FCS.2011.5977845].
Comparing Room Temperature and Cryogenic (77K) Cs Fountains at INRIM and NIST
COSTANZO, Giovanni Antonio;MONGINO, BARBARA
2011
Abstract
We have compared the frequency of a room-temperature cesium-fountain primary frequency standard with that of a cryogenic (~80K) cesium fountain. This comparison yields a measurement of the blackbody frequency shift of the room-temperature fountain.
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https://hdl.handle.net/11583/2380203
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