Testing gravitational theories in the field of the earth with the SaToR-G experiment

Lucchesi D., Anselmo L., Bassan M., Lucente M., Magnafico C., Pardini C., Peron R., Pucacco G., Visco M.

General relativity  Dicke's framework  Alternative theories of gravitation  Weak gravitational fields  PPN formalism  LAGEOS and LARES satellites  Orbital residuals 

A new satellite-based experiment in the field of gravitation, SaToR-G, is presented. It aims to compare the predictions of different theories of gravitation in the limit of weak-field and slow-motion. The ultimate goal of SaToR-G is searching for possible "new physics" beyond General Relativity, which represent the state-of-the-art of our current knowledge of gravitational physics. A key role in the above perspective is the theoretical and experimental framework that confines our work. To this end, we will exploit as much as possible the classical framework suggested by R.H. Dicke over fifty years ago.

Source: Universe (Basel) 7 (2021). doi:10.3390/universe7060192

Publisher: MDPI, Basel

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