Earth-prints repository, logo   DSpace

About DSpace Software
|earth-prints home page | roma library | bologna library | catania library | milano library | napoli library | palermo library
Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/4329

Authors: Achilli, V.*
Baldi, P.*
Casula, G.*
Errani, M.*
Focardi, S.*
Palmonari, F.*
Pedrielli, F.*
Title: A geophysical experiment on Newton's inverse-square law
Title of journal: Il Nuovo Cimento B
Series/Report no.: 5/112B (2007)
Publisher: Editore SIF, Bologna
Issue Date: May-1997
Keywords: Gravity
Gravitation
Newton's law
gravimeters
Abstract: A geophysical experiment consisting of the measurements of the gravitational effect produced by a large water mass was performed in order to verify the Newton's law. The use of a superconducting gravimeter, the detailed analysis of the local tidal perturbation, the precise topographic and geological surveys lead to a precision of about 0.1% in the final result. The ratio between the measured and the expected gravitational effect differs from 1 by more than 9 standard deviations. This may be explained by adding to the Newtonian potential a Yukawa repulsive term. The experimental result leads to constraints for the relationship between the relative magnitude (alpha)of the new term and the range (lambda) of the interaction. In the region 20 m < lambda > 500m, alpha ranges from 2.6% to 1.3%.
Appears in Collections:04.02.02. Gravity methods
Papers Published / Papers in press

Files in This Item:

File Description SizeFormatVisibility
Casula_NC_1997.pdfarticle611.72 kBAdobe PDFView/Open


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.


Share this record
Del.icio.us

Citeulike

Connotea

Facebook

Stumble it!

reddit


 

Valid XHTML 1.0! ICT Support, development & maintenance are provided by CINECA. Powered on DSpace Software. CINECA