002750961 001__ 2750961
002750961 003__ SzGeCERN
002750961 005__ 20210208234558.0
002750961 0247_ $$2DOI$$9JACoW$$a10.18429/JACoW-IBIC2019-MOPP008
002750961 0248_ $$aoai:inspirehep.net:1822602$$pcerncds:CERN$$pcerncds:CERN:FULLTEXT$$pcerncds:FULLTEXT$$qINSPIRE:HEP$$qForCDS
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002750961 035__ $$9Inspire$$a1822602
002750961 041__ $$aeng
002750961 100__ $$aTympel, [email protected]$$uHelmholtz Inst., Jena
002750961 245__ $$9JACoW$$aFirst Measurements of a New Type of Coreless Cryogenic Current Comparators (4C) for Non-Destructive Intensity Diagnostics of Charged Particles
002750961 260__ $$c2019
002750961 300__ $$a3 p
002750961 520__ $$9JACoW$$aThe non-destructive and highly sensitive measurement of a charged particle beam is of utmost importance for modern particle accelerator facilities. A Cryogenic Current Comparator (CCC) can be used to measure beam currents in the nA-range. Therein, charged particles passing through a superconducting toroid induce screening currents at the surface of the toroid, which are measured via SQUIDs. Classical CCC beam monitors make use of a high magnetic permeability core as a flux-concentrator for the pickup coil. The core increases the pickup inductance and thus coupling to the beam, but unfortunately also raises low-frequency noise and thermal drift. In the new concept from the Leibniz Institute of Photonic Technology the Coreless Cryogenic Current Comparator (4C) completely omits this core and instead uses highly sensitive SQUIDs featuring sub-micron cross-type Josephson tunnel junctions. Combined with a new shielding geometry a compact and comparably lightweight design has been developed, which exhibits a current sensitivity of about 6 pA/sqrt(Hz) in the white noise region and a measured shielding factor of about 134 dB*.
002750961 540__ $$aCC-BY-3.0$$bJACoW$$uhttp://creativecommons.org/licenses/by/3.0/
002750961 65017 $$2SzGeCERN$$aAccelerators and Storage Rings
002750961 6531_ $$2JACoW$$apick-up
002750961 6531_ $$2JACoW$$ashielding
002750961 6531_ $$2JACoW$$acryogenics
002750961 6531_ $$2JACoW$$aniobium
002750961 6531_ $$2JACoW$$acoupling
002750961 690C_ $$aCERN
002750961 690C_ $$aARTICLE
002750961 700__ $$aAnders, [email protected]$$uInst. Photonic Tech., Jena
002750961 700__ $$aDe Gersem, [email protected]$$uDarmstadt, Tech. U.
002750961 700__ $$aGolm, [email protected]$$uJena U.
002750961 700__ $$aHaider, [email protected]$$uDarmstadt, GSI
002750961 700__ $$aKunert, [email protected]$$uInst. Photonic Tech., Jena
002750961 700__ $$aMarsic, [email protected]$$uDarmstadt, Tech. U.
002750961 700__ $$aMüller, [email protected]$$uDarmstadt, Tech. U.
002750961 700__ $$aSchmelz, [email protected]$$uInst. Photonic Tech., Jena
002750961 700__ $$aSchmidl, [email protected]$$uDarmstadt, GSI
002750961 700__ $$aSchwickert, [email protected]
002750961 700__ $$aSchönau, [email protected]$$uJena U.
002750961 700__ $$aSeidel, [email protected]$$uJena U.
002750961 700__ $$aSieber, [email protected]$$uDarmstadt, GSI
002750961 700__ $$aStapelfeld, [email protected]$$uJena U.
002750961 700__ $$aStöhlker, [email protected]$$uDarmstadt, GSI$$uHelmholtz Inst., Jena$$vHIJ, Jena, Germany
002750961 700__ $$aStolz, [email protected]$$uInst. Photonic Tech., Jena
002750961 700__ $$aTan, Jocelyn$$iINSPIRE-02700726$$jJACoW-00018413$$uCERN
002750961 700__ $$aZakosarenko, [email protected]$$uInst. Photonic Tech., Jena$$vSupracon AG, Jena, Germany
002750961 773__ $$cMOPP008$$qIBIC2019$$wC19-09-08.3$$y2019
002750961 8564_ $$82276729$$s764174$$uhttp://cds.cern.ch/record/2750961/files/Fulltext.pdf
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002750961 980__ $$aARTICLE
002750961 980__ $$aConferencePaper