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Jackson, F.

Paper Title Page
MOPP016 Collimation Aperture for the Beam Delivery System of the International Linear Collider 586
 
  • F. Jackson
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire
  
  The beam delivery sytem (BDS) of the international linear collider (ILC) must provide efficient removal of beam halo particles which would cause unacceptable detector background. The collimation aperture or 'collimation depth' is designed such that synchrotron radiation from the halo emitted in the final doublet passes cleanly through the detector interaction region. The ILC BDS collimation depth for several different detector scenarios is evaluated using a semi-analytical technique.  
WEPP167 Effect of Collimator Wakefields in the Beam Delivery System of the International Linear Collider 2880
 
  • A. M. Toader, R. J. Barlow
    UMAN, Manchester
  • D. Angal-Kalinin, F. Jackson
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire
  
  The collimators in the design of the International Linear Collider (ILC) Beam Delivery System (BDS) may be a significant source of wakefields and significantly degrade luminosity. New simulations are used to predict the effect of BDS collimator wakefields, and compared with previous analytical methods. BDS lattices optimised for improved collimation performance are also examined.  
WEPP168 Mechanical Design of Collimators for the ILC 2883
 
  • B. D. Fell, D. Angal-Kalinin, S. C. Appleton, J.-L. Fernandez-Hernando, F. Jackson, O. B. Malyshev
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire
  • N. Bliss
    STFC/DL, Daresbury, Warrington, Cheshire
  • G. Ellwood, R. J.S. Greenhalgh
    STFC/RAL, Chilton, Didcot, Oxon
  • J. D.A. Smith
    Cockcroft Institute, Warrington, Cheshire
  • N. K. Watson
    Birmingham University, Birmingham
  
  Much attention has been paid to the optimisation of the geometry and material of collimators in the ILC to mitigate the effects of both short-range transverse wakefields and errant beam impacts. We discuss the competing demands imposed by realistic engineering constraints and present a preliminary engineering design for adjustable jaw spoilers for the ILC.