SIGNIFICANT EVENTS - SCIENCE EVENTS
11/14/03

Can Precision Gravity Measurements Detect Extra Dimensions?

Professor Ho Jung Paik, a Fundamental Physics investigator at the University of Maryland, gave an invited talk titled "Probing Extra Dimensions With a Superconducting Differential Accelerometer" at the 6th International Conference on Gravitation and Astrophysics held in Seoul Korea on October 6-9, 2003. During this trip he also gave colloquia with the same title at Seoul National University and at the Korea Basic Science Institute. These talks describe measuring the gravity force with high resolution to attempt to detect the effects of additional (more than 3 spatial) dimensions.

The following paper is in press and will appear in the March 2004 issue of General Relativity and Gravitation: "Short-Range Inverse-Square Law Experiment in Space," Ho Jung Paik, M. Vol Moody, and Donald M. Strayer, General Relativity and Gravitation, 36, 523-537 (2004). This paper describes experiments in Earth orbit, both on ISS and on a free-flying satellite, to improve the test of the inverse-square law of the gravity force by many orders of magnitude.



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