CERN Accelerating science

Article
Report number SLAC-PUB-11272
Title Luminosity Loss due to Beam Distortion and the Beam-Beam Instability
Author(s) Wu, Juhao ; Chao, Alexander Wu ; Raubenheimer, Tor O ; Seryi, Andrei ; Sramek, Christopher K
Affiliation (Rice University, Houston, Texas) ; (SLAC)
Publication 2005
Imprint May 2005
Number of pages 3
In: 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.1586
Abstract 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.

Corresponding record in: Inspire
 ჩანაწერი შექმნილია 2005-10-09, ბოლოს შესწორებულია 2024-02-23


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