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seminario Prof. Fischbach - july 6
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Subject: seminario Prof. Fischbach - july 6
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From: GIORGIO CAPON - TEL 00-39-06-94032893 <Giorgio.Capon@lnf.infn.it>
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Date: Thu, 29 Jun 2000 13:45:30 +0200
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CC: CAPON@lnf.infn.it
FRASCATI SEMINAR
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Thursday July 6 - at 15.00 - Auditorio Bruno Touschek
E. FISCHBACH - Purdue University
THE SEARCH FOR NON-NEWTONIAN GRAVITY (FOR PEDESTRIAN)
Abstract:
The ongoing attempts to unify the known fundamental forces have
led to the suggestion that there may exist new gravity-like forces
in nature. These would arise from the exchange of new light bosonic
quanta among the constituents of ordinary matter and would produce
apparent deviations from the predictions of Newtonian gravity. The
suggestion of such a "fifth force" in 1986 helped to stimulate a
large number of new experiments to search for weak long-range forces.
This talk will review both the theoretical motivation for such new
forces and the experimental results that have been obtained to date.
More recently newer string-inspired theories have suggested the
presence of additional macroscopic forces acting over sub-millimeter
distances. Detecting such forces presents special challenges - both
theoretical and experimental - for reasons that I will discuss.
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