Speaker
Description
The proposed synchrotron light source PETRA IV will be able to deliver a variety of bunch fill patterns beyond the two baseline uniform modes with high and low single-bunch charge. The collective effects such as intra-beam scattering and impedance, as well as coupling ratio, have a significant impact on bunch parameters such as emittance and bunch length. Evaluation of the latter is performed with time-consuming tracking simulations. Full parameter space exploration for arbitrary fill patterns to allow for x-ray beamline co-design and for experimental planning based on tracking simulations is however impossible. Using a surrogate neural model trained on tracking simulation data, we can provide a tool for photon science users to explore the bunch parameters for any potential operation mode, allowing optimal exploitation of the facility.
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