Author: Marie, R.
Paper Title Page
MOPOR002 Impedance Simulations and Measurements for ThomX Storage Ring 586
  • A.R. Gamelin, C. Bruni, V. Chaumat, D. Le Guidec, P. Lepercq, R. Marie
    LAL, Orsay, France
  Funding: Work is supported by ANR-10-EQPX-51, by grants from Région Ile-de-France, IN2P3 and Pheniics Doctoral School
ThomX is a compact Compton Backscattering Source (CBS) which is being built at LAL, Orsay, France. ThomX ring has a short circumference of 18 m and a design energy of 50 MeV. Due to the low energy of the beam and in order to avoid beam degradation it is important to evaluate the ring components impedance. A CST Particle Studio impedance simulation of the different components of the ring (BPM, bellows, optical chamber, etc.) is under way. It will be followed by a bench measurement of the longitudinal and transverse impedance using the coaxial wire method. This paper will detail the preliminary results of the ThomX storage ring impedance simulations and the measurement principle we will use.
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOPOR002  
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TUPMB002 Status of THOMX Storage-ring Magnets 1100
  • C. Vallerand, C. Bruni, A. Gonnin, R. Marie, H. Monard
    LAL, Orsay, France
  • C. Benabderrahmane, M.-E. Couprie, A. Loulergue, F. Marteau
    SOLEIL, Gif-sur-Yvette, France
  The THOMX facility is a compact X-Ray source based on the Compton back scattering aiming at a flux of 1011 to 1013 ph/s in the range of energy from 40 to 90 keV. Due to the compactness and the expected stability of this machine, high requirements are set for all magnets in terms of design and manufacturing. First, the design optimization of the magnets is presented, leading to high performance in terms of harmonics. Issues regarding the cross-talk between quadrupole and sextupole fields are then discussed.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-TUPMB002  
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