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APS » Journals » Phys. Rev. D » Volume 44 » Issue 8
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Phys. Rev. D 44, 2611–2613 (1991)

Observation of 1990 solar eclipse by a torsion pendulum

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Luo Jun, Li Jianguo, and Zhang Xuerong
Huazhong University of Science and Technology, Wuhan, China

V. Liakhovets
Patrice Lumumba Peoples Friendship University, Moscow, U.S.S.R.

M. Lomonosov and A. Ragyn
Krasnopresnenskaya Observatory, Sternberg Astronomical Institute, Moscow, U.S.S.R.

Received 12 December 1990; published in the issue dated 15 October 1991

During the solar eclipse of 22 July 1990 in the city of Bielomorsk of the U.S.S.R., we repeated the torsion pendulum experiment of Saxl and Allen, who reported an anomalous period increase during the solar eclipse of 7 March 1970. The relative change in the pendulum's period associated with the eclipse was found to be less than 5.2×10-5 (90% confidence).

© 1991 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.44.2611
DOI:
10.1103/PhysRevD.44.2611
PACS:
 
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