Determination of Newtonian gravitational constantG with swing time method |
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| Authors: | Jun Luo Zhongkun Hu Xianghui Fu Mengxi Tang Shuhua Fan |
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| Institution: | (1) Center for Gravitational Experiment, Huazhong University of Science and Technology, 430074 Wuhan, China;(2) Department of Physics, Zhongshan University, 510275 Guangzhou, China |
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| Abstract: | The Newtonian gravitational constantG is determined by means of the swing time method at the Cave Laboratory of Center for Gravitational Experiment of Huazhong
University of Science and Technology. The result value ofG is (6.669 0 ± 0.001 6) × 10-11 m3·kg-1·s-2, which is consistent with the CODATA value of G obtained by Cohen and Taylor in 3σ.
Project supported by the National Natural Science Foundation of China (Grant Nos. 19425008 and 49674246). |
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| Keywords: | gravitational constant torsion balance swing time method |
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