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Confirmation of the electric neutrality of matter at the milligram level
Authors:M. Marinelli  G. Morpurgo
Affiliation:Istituto di Fisica dell''Università and Sezione INFN, Genoa, Italy
Abstract:The procedure to identify, measure and subtract the magneto-electric force acting on levitating spheres is described. All the 25 steel spheres (with a total mass of 1.75 mg) examined after the elimination of the effects of such a force produce the result: Nquarks/Nnucleons ? 10?21.
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