通过SEE任务进行精确的重力试验:空间测量的建议
Precise Gravitational Tests via the SEE Mission: A Proposal for Space-Based Measurements
摘要:
SEE任务的目标是通过进行能够确定各种替代理论是否与自然相容的敏感引力测试来支持统一理论的发展。引力是统一理论中一个关键的“缺失环节”。几乎所有的统一理论都在基本层面上包含了引力,因此引力的精确测量将对统一理论产生重要的约束。由于陆地环境中存在许多噪声源,因此不可能进行所需精度的地基重力测量。拟议的天基卫星能量交换飞行任务将测量几个重要参数,其精确度比目前或计划的测量能力高100至10,000倍。它将检验引力“常数”G随时间的变化以及是否违反了弱等效原理(WEP)和平方反比定律(ISL),并将确定G。众所周知,在WEP或ISL中发现故障以及可能确定随时间变化的G将对统一理论的几乎所有方面产生重大影响。
英文摘要:
The objective of a SEE mission is to support development of unification theory by carrying out sensitive gravitational tests capable of determining whether various alternative theories are compatible with nature. Gravitation is a key "missing link" in unification theory. Nearly all unification theories incorporate gravity at a fundamental level, and therefore precise measurements of gravitational forces will place important constraints on unification theories. Ground-based gravitational measurements to the accuracy required are impossible due to the many sources of noise present in the terrestrial environment. The proposed space-based Satellite Energy Exchange (SEE) mission will measure several important parameters to an accuracy between 100 and 10,000 times better than current or planned measurement capabilities. It will test for time variation of the gravitational "constant" G and for violations of the weak equivalence principle (WEP) and the inverse-square-law (ISL), and it will determine G. It is well-known that the discovery of breakdowns in WEP or ISL and the possible determination of a time-varying G would have significant consequences on virtually all aspects of unification theory.
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