GSI - BEA Wiki

---

Basic information on superconductivity:

Cern School on Superconductivity

IPHT Jena / public lecture: "100 years of superconductivity" (in german)

Some basic information on CCCs:

W. Vodel e. a., 2009: The SQUID based Cryogenic Current Comparator – an useful tool for beam diagnostics

I. K. Harvey, 1972: A Precise Low Temperature DC Ratio Transformer

A very good overview paper about SQUID technology:

R. L. Fagaly, 2005: SQUID Instruments and Applications

---

The new CCC for FAIR

R. Geithner e. a., 2010: A non-destructive Beam Monitoring System based on an LTS-SQUID

R. Geithner e. a., 2009: An Improved Cryogenic Current Comparator for FAIR

M. Schwickert e. a., 2009: A CRYOGENIC CURRENT COMPARATOR FOR FAIR

A. Steppke e. a., 2009: A cryogenic current comparator for beam diagnostics in the FAIR project

---

The old CCC at GSI-Darmstadt:

P. Forck e. a., 2000: Measurements and Improvements of the time structure of a slowly extracted beam from a synchrotron

A. Peters e. a., 1999: Recent Improvements of a Cryogenic Current Comparator for nA Ion Beams with high intensity dynamics

A. Peters e. a., 1998: A Cryogenic Current Comparator for the Absolute Measurement of nA Beams

A. Peters e. a., 1997: Absolute Measurements and Analysis of nA-Ion Beams

A. Peters e. a., 1995: Review of the Experimental Results with a Cryogenic Current Comparator

---

Diploma Theses (in german, incomplete):

C. H. Schroeder, 1993: Entwicklung eines Kryostaten für LHe-Temperatur zum Einbau eines supraleitenden Strahltransformators mit SQUID

V. Duerr, 1993: Dimensionierung, Konstruktion und Bau eines mit flüssigem Helium gekühlten Strahlstrom-Transformators mit einem SQUID

---

Dissertations

D. M. Haider, 2023: Precise intensity monitoring at CRYRING@ESR: On designing a Cryogenic Current Comparator for FAIR

F. Kurian, 2015: Cryogenic Current Comparators for Precise Ion Beam Current Measurements (SIS18 extraction line application)

---

The CCC for the CSR at MPI-Heidelberg:

Th. Sieber, 2009: Intensity and Profile Measurements for Low Intensity Ion Beams in an Electrostatic Cryogenic Storage Ring (CSR)

---

The CCC for dark current measurements in RF cavities at DESY-Hamburg:

W. Vodel e. a., 2007: CURRENT STATUS OF THE SQUID BASED CRYOGENIC CURRENT COMPARATOR FOR ABSOLUTE MEASUREMENTS OF THE DARK CURRENT OF SUPERCONDUCTING RF ACCELERATOR CAVITIES

W. Vodel e. a., 2007: An LTS-SQUID based measurement tool for characterization of superconductive RF cavities

W. Vodel e. a., 2005: SQUID BASED CRYOGENIC CURRENT COMPARATOR FOR MEASUREMENTS OF THE DARK CURRENT OF SUPERCONDUCTING CAVITIES

K. Knaack e. a., 2003: CRYOGENIC CURRENT COMPARATOR FOR ABSOLUTE MEASUREMENTS OF THE DARK CURRENT OF SUPERCONDUCTING CAVITIES FOR TESLA

W. Vodel e. a., 2003: Low-Tc-SQUID based Cryogenic Current Comparator for Application in High Energy Physics

---

Other CCC projects for particle accelerators:

T. Watanabe e. a., 2004: A prototype of a highly sensitive cryogenic current comparator with a HTS SQUID and HTS magnetic shield

Y. Sasaki e. a., 1998: Nondestructive DC Beam Current Monitor with Nano-Ampere Resolution

T. Tanabe e. a., 1998: A CRYOGENIC CURRENT MEASURING DEVICE FOR THE LOW-INTENSITY BEAM AT THE STORAGE RING TARN II

W. Kuchnir, 1983: SQUID BASED BEAM CURRENT METER

---

Theory of superconductive magnetic shielding:

K.Grohmann et.al.,1976: Field attenuation as the underlying principle of cryo current comparators

K.Grohmann et.al.,1976: Field attenuation as the underlying principles of cryo current comparators 2. Ring cavity elements

K.Grohmann et.al.,1976: Magnetic shielding by superconducting simple and coaxial cylinders: a comparison

---