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@inproceedings{zhao:ipac2021-wepab014,
author = {Y. Zhao and H.M.A. Bajas and S. Döbert and A. Latina and L. Ma},
title = {{Optimisation of the CLIC Positron Source}},
booktitle = {Proc. IPAC'21},
pages = {2613--2616},
eid = {WEPAB014},
language = {english},
keywords = {positron, target, simulation, linac, electron},
venue = {Campinas, SP, Brazil},
series = {International Particle Accelerator Conference},
number = {12},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {08},
year = {2021},
issn = {2673-5490},
isbn = {978-3-95450-214-1},
doi = {10.18429/JACoW-IPAC2021-WEPAB014},
url = {https://jacow.org/ipac2021/papers/wepab014.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-WEPAB014},
abstract = {{In this report, we reoptimised the CLIC positron source at all collision energy stages. Simulation, optimisation algorithm and results were all improved compared with previous studies. Two different target schemes were studied and compared in terms of the advantages and disadvantages. The spot size of the injected electron beam was also optimised to achieve a compromise between large positron yields and safe energy deposition. The matching device for the capture of positrons was simulated and optimised with both improved analytic and realistic field maps. Conical aperture and front and rear gaps of the matching device were also considered for the first time. The optimised positron source is expected to have the lowest cost.}},
}