TUYB —  Linear Colliders   (06-Sep-11   11:00—12:30)
Chair: O. Napoly, CEA/DSM/IRFU, France
Paper Title Page
TUYB01 First Results from the EMMA Experiment 951
 
  • S. Machida
    STFC/RAL/ASTeC, Chilton, Didcot, Oxon, United Kingdom
 
  Report on first commissioning results and operational experience with EMMA, the world's first nonscaling FFAG. In particular review the effect of resonance crossing, and the efficiency of serpentine acceleration.  
slides icon Slides TUYB01 [9.201 MB]  
 
TUYB02 The Challenges of Ultra-low Emittance Damping Rings 956
 
  • D. L. Rubin
    CLASSE, Ithaca, New York, USA
 
  Funding: Work supported by the National Science Foundation and by the US Department of Energy under contract numbers PHY-0734867 and DE-FC02-08ER41538.
In this paper we review the state of the art of the design of damping rings for linear colliders, as supported by the experimental data from ATF and CESR test damping rings. We consider implications of measurements of electron cloud dynamics and mitigation in a radiation dominated ring. The techniques developed for tuning for ultra-low emittance in these rings are summarized. Other dynamics manifested in the ultra-low emittance regime where collective effects are important are discussed.
 
slides icon Slides TUYB02 [7.198 MB]  
 
TUYB03 CLIC Conceptual Design and CTF3 Results 961
 
  • D. Schulte
    CERN, Geneva, Switzerland
 
  An international collaboration is carrying out an extensive R&D programme to prepare CLIC, a multi-TeV electron-positron collider. In this concept, the colliding beams will be accelerated in very high gradient normal conducting 12 GHz accelerating structures. The necessary RF power is extracted from a high-current, low-energy drive beam that runs parallel to the colliding beams and is generated in a central complex. This year the collaboration will produce a conceptual design report to establish the feasibility of the technology. The CLIC concept will be introduced and the status of key studies of critical issues will be reviewed. A focus will be on the CLIC Test Facility 3 (CTF3), which is a test facility to produce and use high current a drive beam.  
slides icon Slides TUYB03 [13.204 MB]