—We report on the current performance of our atom interferometry gravity gradiometer. After careful elimination of the main sources of fluctuations and biases in the atom interferometer, we achieve a sensitivity of 3×10−9 g per second to differential gravity; by modulating the position of a set of source masses, we achieve a relative statistical uncertainty of 1.1×10−4 to the gravitational constant G.
Precision measurement of the gravitational constant with atom interferometry / G.M. Tino; G. Rosi; F. Sorrentino; M. Prevedelli; L. Cacciapuoti. - STAMPA. - (2013), pp. 593-598. (Intervento presentato al convegno European Frequency and Time Forum & International Frequency Control Symposium (EFTF/IFC), 2013 Joint tenutosi a Praque nel 21-25 July 2013) [10.1109/EFTF-IFC.2013.6702069].
Precision measurement of the gravitational constant with atom interferometry
TINO, GUGLIELMO MARIA;
2013
Abstract
—We report on the current performance of our atom interferometry gravity gradiometer. After careful elimination of the main sources of fluctuations and biases in the atom interferometer, we achieve a sensitivity of 3×10−9 g per second to differential gravity; by modulating the position of a set of source masses, we achieve a relative statistical uncertainty of 1.1×10−4 to the gravitational constant G.I documenti in FLORE sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.