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AbstractAbstract
[en] A magnetoinduction meter for direct measurements of constant components of 100-300 μA beam currents in the NAP-M proton storage has been developed and tested. Flowsheets and basic circuits of the meter, as well as the design of its sensor are presented. The sensor consists of two permalloy cores; each core has exciting and signal windings. Due to beam modulation two signals are induced in every signal winding. One of the signals induces a magnetic field opposite in direction to the magnetic field of the beam current. This results in self-compensation principle of measurements which makes it possible to widen the limits and reduce errors in measuring the beam current. The current meter can be also used to measure direct currents in conductors in which contact measurements involve difficulties
Original Title
Magnitomodulyatsionnyj izmeritel' toka puchka zaryazhennykh chastits
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For English translation see the journal Instruments and Experimental Techniques (USA).
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Journal Article
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Pribory i Tekhnika Ehksperimenta; ISSN 0032-8162;
; (no.3); p. 34-38

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[en] The practical experience gained during a 4-year collaboration with CERN for the design and manufacturing of DC and fast AC beam current monitors for LEP is summarized in this paper. (orig.)
Source
8. international conference on ultrarelativistic nucleus-nucleus collisions (Quark Matter '90); 8. Conference Internationale sur les Collisions d'Ions Ultrarelativistes; Menton (France); 7-11 May 1990
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[en] This report documents the development of a current transformer system to measure pulsed ion beam currents at the LAMPF accelerator. Measured peak currents typically range from 100 nA to 30 mA with pulse widths varying from 30 μs to 1 ms. Signal conditioning of the peak current output provides an average current readout with a range of 1 nA to 2 mA, noise of approximately + or - 0.5 nA, and accuracy of + or - 0.1%. The system requires no operating adjustments and has proved stable and reliable during a year of operation
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Particle accelerator conference; Vancouver (Canada); 13-16 May 1985; CONF-850504--
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Hape, M.; Becker, W.J.; Ricken, W.; Peters, A.; Reeg, H.; Kowina, P.
Conseil Europeen pour la Recherche Nucleaire, Geneve (Switzerland)
DIPAC 2005 7. European workshop on beam diagnostics and instrumentation for particle accelerators2005
Conseil Europeen pour la Recherche Nucleaire, Geneve (Switzerland)
DIPAC 2005 7. European workshop on beam diagnostics and instrumentation for particle accelerators2005
AbstractAbstract
[en] A new sensor for the beam current measurement is under design at the department of Measurement Engineering at the University of Kassel and GSI Darmstadt. An overview of the commercial available magnetic sensors like AMR- (anisotropic magneto-resistance) and GMR- (giant magneto-resistance) sensors and also the new magnetic GMI-effect (giant magneto-impedance) is given. These sensors have been investigated for their suitability for the clip-on ampere-meter. The measuring range of all investigated sensors is yet too small, while the resolution of all the investigated sensors is small enough to measure the required beam current of 1 mA. Furthermore other sensors with enhanced parameters must be looked for. Another possibility is to build the clip-on ampere-meter on a compensation system basis
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Conseil Europeen pour la Recherche Nucleaire, Geneve (Switzerland); 415 p; 2005; p. 184-186; DIPAC 2005 7. European workshop on beam diagnostics and instrumentation for particle accelerators; Lyon (France); 6-8 Jun 2005; 9 refs.
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AbstractAbstract
[en] The paper reports on: 1) The development of a duoplasmatron ion source for the production of multiply charged silver ions; 2) the development of a B(max) anode duoplasmatron ion source with direct cooling; 3) first measurements with a duopigatron ion source, and 4) the constructional layout of Faraday cups. (WL/AK)
[de]
Berichtet wird ueber: 1) Entwicklung einer Duoplasmatron-Ionenquelle zur Herstellung von mehrfach geladenen Silberionen; 2) Entwicklung einer direkt gekuehlten B(max)-Anode Duoplasmatronionenquelle; 3) Erste Messungen an einer Duopigatron-Ionenquelle und 4) Konstruktive Auslegungen von Faraday-cups. (WL)Original Title
UNILAC Projektbericht Nr. 15
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Apr 1975; 33 p; 35 figs.; 2 tabs.; 7 refs.
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AbstractAbstract
[en] Vacuum arc ion sources provide a convenient tool for the production of intense beams of metal ions. The sources are relatively easy to construct and they can produce beams from all of the solid metals as well as from compounds, alloys, and mixtures. We have made a number of different kinds of such sources over the course of our development work at LBL in the past decade, from very small open-quote open-quote thumb-size close-quote close-quote versions to a very large one with a 50 cm diameter extractor. Beam current ranges from a few milliamperes up to almost 10 A and extraction voltage from about 1 to 100 kV. Multicathode versions have been made so that one can switch between metal ion species simply and quickly. Most of the sources have been operated in a repetitively pulsed mode, and we close-quote ve also tested a dc version. Here we outline some construction features of the array of vacuum arc ion sources that we close-quote ve developed and used, and describe their performance and limitations. copyright 1996 American Institute of Physics
Original Title
AC03-76SF00098
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6. international conference on ion sources; Whistler (Canada); 10-16 Sep 1995; CONF-9509125--
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[en] The department of extraterrestrial physics of the University of Kiel is establishing a solar wind laboratory which will be used mainly for three purposes: calibration of space instruments interacting with the solar wind, research on space weathering of dust particles, and for fundamental plasma physics. The laboratory will be able to generate a well defined highly-charged ion flux, similar to the solar wind, at energies from 1-450 keV/q. To generate this flux, ions of different charge states are produced in a 9-14 GHz Electron-Cyclotron-Resonance Ion Source (ECRIS). Both, calibration and dust particle bombardment, need accurate values for the main beam parameters such as current, position and profile. While the current can be measured by a single Faraday Cup (FC), position and profile of the ion beam can be directly imaged with a newly developed Faraday Cup Array (FCA) moving through the beam. This array allows high resolution, accuracy and durability even for the expected current range (pA to mA) and a beam power up to 40 W. Here we report on the FCA as a beam-diagnostic tool well suited especially for beam-profile-imaging.
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2009 DPG Spring meeting with the divisions of plasma physics, short-time period physics, extraterrestrial physics; DPG-Fruehjahrstagung 2009 der Fachverbaende Plasmaphysik, Kurzzeitphysik, Extraterrestrische Physik; Greifswald (Germany); 30 Mar - 2 Apr 2009; Available from http://www.dpg-verhandlungen.de; Session: P 15.14 Mi 17:30; No further information available; Also available as printed version: Verhandlungen der Deutschen Physikalischen Gesellschaft v. 44(6)
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Verhandlungen der Deutschen Physikalischen Gesellschaft; ISSN 0420-0195;
; CODEN VDPEAZ; (Greifswald 2009 issue); [1 p.]

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Moskalev, V.A.; Shashov, V.V.; Sluskskij, A.M.
Proceedings of the 5th international betatron symposium, Bucharest, October 18-23, 19711972
Proceedings of the 5th international betatron symposium, Bucharest, October 18-23, 19711972
AbstractAbstract
No abstract available
Original Title
Vyvod electronnovo puca iz uskoritelnoj kamery silnotochnovo betatrona impulsnym odnoborotnym i electrostaticheskoj sposohami
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Institutul de Fizica Atomica, Bucharest (Romania); International Atomic Energy Agency, Vienna (Austria); p. 151-155; 1972; 5. international betatron symposium; Bucharest, Romania; 18 Oct 1971
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AbstractAbstract
No abstract available
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Review of Scientific Instruments; v. 45(8); p. 1028
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Yoshida, Tadashi; Hanashima, Susumu
Japan Atomic Energy Research Inst., Tokyo1985
Japan Atomic Energy Research Inst., Tokyo1985
AbstractAbstract
[en] A high sensitivity current logarithmic amprifire was constructed to monitor ion beam currents in JAERI tandem accelerator. The newly designed logarithmic amplifire enabled stable observation of beam currents ranging from 10 pA to 100 μA with good longterm stability. Compaired with the previously used model, stability, range of measurement, maintenability and reliability were greatly improved. (author)
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Jun 1985; 17 p
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