Archivio Istituzionale della RicercaGINGER (Gyroscopes IN General Relativity) is a project aiming at measuring the Lense-Thirring effect, at 1% level, with an experiment on earth. It is based on an array of ring-lasers, which are the most sensitive inertial sensors to measure the rotation rate of the Earth. The GINGER project is still under discussion; the experiment G-GranSasso is an R&D experiment financed by INFN Group II; it is studying the key points of GINGER and at the same time developing prototypes. In the following the signal coming out of a ring-laser and the present sensitivity are described. The prototypes GP2 and GINGERino and the preliminary results are reported. This project is inter-disciplinary since ringlasers provide informations for the fast variation of the earth rotation rate, they are used for the rotational seismology and for top sensitivity angle metrology.
The GINGER Project / Di Virgilio, A.; Belfi, J.; Bosi, F.; Morsani, F.; Terreni, G.; Beverini, N.; Carelli, G.; Giacomelli, U.; Maccioni, E.; Ortolan, A.; Porzio, A.; Altucci, C.; Velotta, R.; Donazzan, A.; Naletto, G.; Cuccato, D.; Beghi, A.; Pelizzo, M. G.; Ruggiero, MATTEO LUCA; Tartaglia, Angelo; De Luca, G.; Saccorotti, G.. - In: NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS. - ISSN 0920-5632. - ELETTRONICO. - (2016), pp. 1-8.
The GINGER Project
RUGGIERO, MATTEO LUCA;TARTAGLIA, Angelo;
2016
Abstract
GINGER (Gyroscopes IN General Relativity) is a project aiming at measuring the Lense-Thirring effect, at 1% level, with an experiment on earth. It is based on an array of ring-lasers, which are the most sensitive inertial sensors to measure the rotation rate of the Earth. The GINGER project is still under discussion; the experiment G-GranSasso is an R&D experiment financed by INFN Group II; it is studying the key points of GINGER and at the same time developing prototypes. In the following the signal coming out of a ring-laser and the present sensitivity are described. The prototypes GP2 and GINGERino and the preliminary results are reported. This project is inter-disciplinary since ringlasers provide informations for the fast variation of the earth rotation rate, they are used for the rotational seismology and for top sensitivity angle metrology.
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https://hdl.handle.net/11583/2651378
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