Present status of MiniGrail

R. Ackermann, Y. Benzaim, G. Frossati, L. Gottardi, A. Karbalai-Sadegh, W Reincke, A. Shumack, O. Usenko, A. de Waard, A. de Waard, Jakob Flokstra, M. Podt, M. Bassan, E. Coccia, V. Fafone, Y. Minenkov, A. Moleti, G.V. Pallottino, A. Rocchi, M. Visco

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic


The latest results of the measurements on the vibration isolation system of MiniGRAIL at room temperature as well as an overview of the results of the ultra-cryogenic tests with the dilution refrigerator are presented. Two types of capacitive transducers have been developed and tested separately in a cryogenic set-up. The rosette-design transducers have been mounted on the sphere and tested at low temperature. We also report the progress in developing a two-mode inductive transducer with an Al5056 resonator as a second resonating mass and a Nb film coil as superconducting pick-up loop. Furthermore, we developed and tested two double-SQUID systems based on two types of dc SQUIDs as sensors and a DROS as the preamplifier stage.
Original languageUndefined
Title of host publicationProceedings of the 10th Marcel Grossmann meeting on general Relativity
Place of PublicationRio de Janeiro
Number of pages20
Publication statusPublished - 20 Jul 2003
EventMarcel Grossmann Meeting, Brazil: Proceedings of the 10th Marcel Grossmann meeting on general Relativity - Rio de Janeiro
Duration: 20 Jul 200326 Jul 2003


ConferenceMarcel Grossmann Meeting, Brazil
CityRio de Janeiro


  • METIS-219639
  • IR-61511

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