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Seismic Noise Effect on Equivalence Principle Test
Using Free-Fall Interferometry |
ZHOU Ze-Bing1;LUO Jun1;YAN Qin1;ZHANG Yuan-Zhong2;NIE Yu-Xin 3 |
1Department of Physics, Huazhong University of Science and Technology, Wuhan 430074
2Institute of Theoretical Physics, Chinese Academy of Sciences,Beijing 100080
3Institute of Physics, Chinese Academy of Sciences, Beijing 100080 |
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Cite this article: |
ZHOU Ze-Bing, LUO Jun, YAN Qin et al 2001 Chin. Phys. Lett. 18 10-12 |
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Abstract A simple interferometer was used to monitor the seismic noise effect on the equivalence principle test using the free-fall interferometric method. The experimental result showed that this effect was below λ/100, where λ is the wavelength of the laser beam, and the uncertainty of the differential gravity acceleration of the individual free-fall result due to this effect was about 0.6μGal.
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Keywords:
04.80.Cc
07.60.Ly
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Published: 01 January 2001
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PACS: |
04.80.Cc
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(Experimental tests of gravitational theories)
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07.60.Ly
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(Interferometers)
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