Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/539
Authors: Baldi, P.* 
Campari, E.* 
Casula, G.* 
Focardi, S.* 
Levi, G.* 
Palmonari, F.* 
Title: Gravitational constant G measured with a superconducting gravimeter
Journal: PHYSICAL REVIEW D 
Series/Report no.: 022002/71(2005)
Issue Date: 2005
Keywords: Gravitational
superconducting
Subject Classification04. Solid Earth::04.02. Exploration geophysics::04.02.02. Gravity methods 
Abstract: We report in this paper the results of a measurement of the gravitational constant G obtained in a laboratory at distances of about 1 m, using a superconducting gravimeter. The instrument measured the gravitational effect due to an annular mass of about 280 kg moving up and down around the gravimeter. The experiment yielded for the gravitational constant the value G 6:675 0:007 10 11Nm2=kg2 which agrees, within its uncertainty, with the last CODATA value.
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