[SLAC]
[SLAC Pubs and Reports]
SLAC-PUB-9814
Recent Electron Cloud Simulation Results for the Main Damping Rings of the NLC and the TESLA Linear Colliders
Abstract
In the beam pipe of the Main Damping Ring (MDR) of the Next Linear Collider
(NLC), ionization of residual gases and secondary emission give rise to an
electron-cloud which stabilizes to equilibrium after few bunch trains. In this
paper, we present recent computer simulation results for the main features of
the electron cloud at the NLC and preliminary simulation results for the TESLA
main damping rings, obtained with the code POSINST that has been developed at
LBNL, and lately in collaboration with SLAC, over the past 7 years. Possible
remedies to mitigate the effect are also discussed. We have recently included
the possibility to simulate different magnetic field configurations in our code
including solenoid, quadrupole, sextupole and wiggler.
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