Author: Jacob, J.
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MOPMW001 A New Buncher for the ESRF Linac Injector 389
  • A.S. Setty, A.S. Chauchat, D. Jousse
    Thales Communications & Security (TCS), Gennevilliers Cedex, France
  • H. Delamare, J. Jacob, B. Ogier, T.P. Perron, E. Rabeuf, C. Richard, V. Serrière, R. Versteegen
    ESRF, Grenoble, France
  The electron linac was designed to be able to deliver more than 2.5 A in less than 2 ns at 200 MeV within an energy spread of 1% for positrons production at ESRF *. The 200 MeV electron linac was commissioned in 1991. A new gun, a cleaner, a pre-buncher cavity and 4 shielded lenses were tested and installed on the injector in 2008 **. Then, a new Buncher for the ESRF electron linac injector was manufactured and commissioned in 2015. Meanwhile, some new settings were performed to reduce the energy spread for both cases: the long pulse mode and the short pulse mode. The simulations and measurements will be presented.
* D. Tronc et Al. "Electron injector for light source", Proc. EPAC88, Italy, Rome, June 1988.
** T. Perron et Al. "New preinjector for the ESRF booster", Proc. EPAC08, Italy, Genoa, June 2008.
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOPMW001  
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TUPOR001 Lifetime Improvements with a Harmonic RF System for the ESRF EBS 1644
  • N. Carmignani, L. Farvacque, J. Jacob, S.M. Liuzzo, B. Nash, T.P. Perron, P. Raimondi, R. Versteegen, S.M. White
    ESRF, Grenoble, France
  A third-harmonic RF system to increase the Touschek lifetime is under study for the European Synchrotron Radiation Facility (ESRF) Extremely Brilliant Source (EBS) storage ring, in particular for modes with high current per bunch. Multi-particle simulations have been done to study the bunch lengthening and shape in presence of inductive impedance and a third-harmonic RF system.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-TUPOR001  
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