GAUSS LAW TEST OF GRAVITY AT SHORT-RANGE

被引：61
|
作者：
MOODY, MV [1 ]
PAIK, HJ [1 ]
机构：
[1] UNIV MARYLAND,CTR SUPERCONDUT RES,COLL PK,MD 20742
来源：
PHYSICAL REVIEW LETTERS | 1993年 / 70卷 / 09期
关键词：
D O I：
10.1103/PhysRevLett.70.1195
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A null test of the gravitational inverse-square law can be performed by testing Gauss's law for the field. We have constructed a three-axis superconducting gravity gradiometer and carried out such a test. A lead pendulum weighing 1500 kg was used to produce a time-varying field. This experiment places a new (2sigma) limit of alpha = (0.9 +/- 4.6) x 10(-4) at lambda = 1.5 m, where alpha and lambda are parameters for the generalized potential phi = -(GM/r)(1 + alphae(-r/lambda)).
引用
收藏
页码：1195 / 1198
页数：4
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