Seismic Noise Effect on Equivalence Principle Test
Using Free-Fall Interferometry

Chin. Phys. Lett.

2001, Vol. 18

Issue (1): 10-12 DOI:

Original Articles

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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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.

Keywords: 04.80.Cc 07.60.Ly

Published: 01 January 2001

PACS:	04.80.Cc	(Experimental tests of gravitational theories)
	07.60.Ly	(Interferometers)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2001/V18/I1/010

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