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The GERDA Liquid Argon Cryostat and its Infrastructure

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Knöpfle,  Karl-Tasso
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Citation

Knöpfle, K.-T. (2012). The GERDA Liquid Argon Cryostat and its Infrastructure. In H. Demonfaucon (Ed.), Vacuum and Cryogenics in Astroparticle Physics Infrastructures - Academia meets industry: Report on the 3rd ASPERA Technology Forum (pp. 20-25). Hamburg: DESY.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-F52D-F
Abstract
The GERDA, the GERmanium Detector Array , is a new experiment at the INFN National Gran Sasso Laboratory (LNGS) for the study of the neutrinoless double beta decay of 76Ge; the Phase I physics run has started in December 2011. It is taking advantage of a new shielding concept by operating bare Ge diodes – enriched in 76Ge – in high purity liquid argon (LAr) supplemented by a water shield . The paper provides an overview of the design and performance of the LAr cryostat and its associated infrastructure, as well as a discussion of specific safety issues resulting from the operation of a cryostat in a large water tank.