Open AccessRecent Ground Motion Studies at SLAC
Author(s) -
Andrei Seryi
Publication year - 2000
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/763804
Subject(s) - linear particle accelerator , physics , wavelength , laser , motion (physics) , geodesy , optics , geology , classical mechanics , beam (structure)
Studies of slow ground motion have recently been performed at SLAC using the linac laser alignment system over a period of one month. Two significant effects responsible for the observed motion have been identified, namely tidal forces and variation of external atmospheric pressure. The latter is of particular interest as it may result in misalignments with rather short wavelength.
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