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Sramek, C.K.

Paper Title Page
FPAP018 Luminosity Loss Due to Beam Distortion and the Beam-Beam Instability 1586
 
  • J. Wu, A. Chao, T.O. Raubenheimer, A. Seryi
    SLAC, Menlo Park, California
  • C.K. Sramek
    Rice University, Houston, Texas
  
  Funding: Work is supported by the U.S. Department of Energy under contract DE-AC02-76SF00515.

In a linear collider, sources of emittance dilution such as transverse wakefields or dispersive errors will couple the vertical phase space to the longitudinal position within the beam (the so-called ‘banana effect'). When the Intersection Point (IP) disruption parameter is large, these beam distortions will be amplified by a single bunch kink instability which will lead to luminosity loss. We study this phenomena both analytically using linear theory and via numerical simulation. In particular, we examine the dependence of the luminosity loss on the wavelength of the beam distortions and the disruption parameter. This analysis may prove useful when optimizing the vertical disruption parameter for luminosity operation with given beam distortions.