A squid-based beam current monitor for FAIR/CRYRING

Publisher: IOP Publishing

E-ISSN: 1402-4896|2015|166|14057-14061

ISSN: 1402-4896

Source: Physica Scripta, Vol.2015, Iss.166, 2015-11, pp. : 14057-14061

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Abstract

A SQUID-based beam current monitor was developed for the upcoming FAIR-Project, providing a non-destructive online monitoring of the beam currents in the nA-range. The cryogenic current comparator (CCC) was optimized for lowest possible noise-limited current resolution together with a high system bandwidth. This CCC is foreseen to be installed in the CRYRING facility (CRYRING@ESR: A study group report www.gsi.de/fileadmin/SPARC/documents/Cryring/ReportCryring_40ESR.PDF), working as a test bench for FAIR. In this contribution we present results of the completed CCC for FAIR/CRYRING and also arrangements that have been done for the installation of the CCC at CRYRING, regarding the cryostat design.