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Batusov, V.Yu.; Budagov, Yu.A.; Lyablin, M.V.
Dzhelepov Lab. of Nuclear Problems, Joint Inst. for Nuclear Research, Dubna (Russian Federation)2011
Dzhelepov Lab. of Nuclear Problems, Joint Inst. for Nuclear Research, Dubna (Russian Federation)2011
AbstractAbstract
[en] A principally new method to measure the seismic tilt angle is proposed. The method opens up the possibility of on-line stabilization of the laser ray extended coordinate axis in the metrology support of large scale physics equipment high precision assembly. The method has been approved experimentally: for the first time the low frequency periodic angular oscillation of the earth surface has been registered with 5·10-7 rad amplitude and 2.5·10-8 rad registration noise. The measurements were performed at CERN during the assembly of the ATLAS Spectrometer
Original Title
Lazernyj datchik uglovoj komponenty sejsmicheskikh kolebanij zemnoj poverkhnosti
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2011; 12 p; Also available online: http://www1.jinr.ru/Preprints/2011/124(P13-2011-124).pdf; 13 refs., 8 figs. Submitted to the journal, Pis'ma v Zhurnal 'Fizika Ehlementarnykh Chastits i Atomnogo Yadra'
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