Author: Petrone, C.
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TUPMB018 Magnetic Measurements of SESAME Storage Ring Dipoles at ALBA 1148
  • J. Marcos, J. Campmany, V. Massana
    ALBA-CELLS Synchrotron, Cerdanyola del Vallès, Spain
  • A. Milanese, C. Petrone, L. Walckiers
    CERN, Geneva, Switzerland
  Funding: This work is partially supported by the EC under the CESSAMag project, FP7 contract 338602.
In this work we present the results of the measurement campaign of the main bending magnets of the SESAME storage ring, that were fully characterized at ALBA-CELLS magnetic measurements facility. A total of 17 combined function dipoles ' 16 series magnets plus a pre-series one ' has been tested and characterized. This campaign has been performed using a dedicated Hall probe bench. The main measurements include the transfer function at the center of the magnet and field maps of the three components of the field in a plane around the nominal trajectory of the electron beam, at two different operating currents. In this paper we describe the experimental setup and procedures, before reporting the main results, including statistics of magnet-to-magnet reproducibility and integrated field quality. Finally, we show how the measured data can be exploited for an optimal 3D alignment of the dipoles in the machine.
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-TUPMB018  
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TUPMB037 Instruments and Methods for the Magnetic Measurement of the Super-FRS Magnets 1183
  • G. Golluccio, M.C.L. Buzio, D. Caltabiano, G. Deferne, O. Dunkel, L. Fiscarelli, D. Giloteaux, C. Petrone, S. Russenschuck
    CERN, Geneva, Switzerland
  • P. Schnizer
    GSI, Darmstadt, Germany
  The Super-FRS is a new fragment separator to be built as part of the Facility for Antiproton and Ion Research (FAIR) [\ref{fairweb}] at Darmstadt. The acceptance tests and magnetic measurements of the superferric separation dipoles and multiplets (containing quadrupole and higher-order magnets) will be performed at CERN in collaboration with GSI/FAIR [\ref{abstractfacility}]. This paper presents the methods and challenges of the magnetic field measurements, and the required instruments for measuring the transfer function, field quality, and magnetic axis. A prototype for each system has been produced in order to validate the measurement methods, the instruments, and the mechanical integration. In this paper will present the design and production of the prototypes, the design of the instruments for the series measurements, and the results of the metrological characterization.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-TUPMB037  
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