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Simulation of Beam-Beam Effects in $e^+e^-$ Storage Rings

Yunhai Cai
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Abstract

The beam-beam effects of the PEP-II as an asymmetric collider are studied with strong-strong simulations using a newly developed particle-in-cell (PIC) code. The simulated luminosity agrees with the measured one within 10% in a large range of the beam currents. The spectra of coherent dipole oscillation are simulated with and without the transparency symmetry. The simulated tune shift of the coherent $π$ mode agrees with the linearized Vlasov theory even at large beam-beam parameters. The Poicare map of coherent dipole is used to identify the beam-beam resonances.

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Yunhai Cai. 2001-04-05. Simulation of Beam-Beam Effects in $e^+e^-$ Storage Rings. https://arxiv.org/abs/physics/0104022

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