Measurements of Gravitational Attractions at small Accelerations

arXiv - PHYS - Classical Physics Pub Date : 2024-07-31 DOI:arxiv-2407.21482

W. BartelDeutsches Elektronen-Synchrotron DESY, Hamburg, Germany, C. W. ElversDeutsches Elektronen-Synchrotron DESY, Hamburg, Germany, L. JönssonLund University, Sweden, G. KempfDeutsches Elektronen-Synchrotron DESY, Hamburg, Germany, H. KrauseUniversität Hamburg, B. LoehrDeutsches Elektronen-Synchrotron DESY, Hamburg, Germany, E. LohrmannUniversität Hamburg, H. MeyerBergische Universität, Wuppertal, P. SteffenDeutsches Elektronen-Synchrotron DESY, Hamburg, Germany, E. WuenschDeutsches Elektronen-Synchrotron DESY, Hamburg, Germany

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Abstract

Gravitational interactions were studied by measuring the influence of small external field masses on a microwave resonator. It consisted of two spherical mirrors, which acted as independent pendulumsindividually suspended by strings. Two identical field masses weremoved along the axis of the resonator symmetrically and periodically betweena near and a far position. Their gravitational interaction altered the distance between the mirrors, changing the resonance frequency, which was measured and found consistent with Newton's law of gravity. The acceleration of a single mirror caused by the two field masses at the closest position varied from $5.4 10^{-12} m/s^2$ to $259 10^{-12}\ m/s^2$.

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小加速度下引力吸引力的测量结果

通过测量微小外部磁场质量对微波谐振器的影响，对引力相互作用进行了研究。该谐振器由两个球面镜组成，这两个球面镜就像独立的钟摆，分别由绳子悬挂着。两个相同的磁场质量沿着谐振器的轴线在远近位置之间周期性地对称移动。它们之间的引力相互作用改变了镜子之间的距离，从而改变了共振频率，经测量发现，共振频率与牛顿万有引力定律一致。两个场质量在最接近位置对单面镜子造成的加速度从 5.4 10^{-12} m/s^2$ 到 259 10^{-12}\ m/s^2$ 不等。

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arXiv - PHYS - Classical Physics

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