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1.
Performance Optimization of the CLIC Positron Source / Zhao, Yongke (CERN) ; Doebert, Steffen (CERN) ; Latina, Andrea (CERN)
The baseline configuration of the CLIC positron source is optimized at different center-of-mass energy stages of the collider for different acceleration modes. [...]
CERN-ACC-2024-0005 ; CLIC-Note-1200.
- 2024 - 12.
Full text
2.
Optimisation of the CLIC positron source at the 1.5 TeV and 3 TeV stages / Zhao, Yongke (CERN, Shandong University (CN)) ; Latina, Andrea (CERN) ; Doebert, Steffen (CERN) ; Schulte, Daniel (CERN) ; Ma, Lianliang (Shandong University (CN))
Positron source is very important for many accelerator experiments. [...]
CERN-ACC-2020-0026 ; CLIC-Note-1165.
- 2020 - 29.
Full text
3.
A New Algorithm for Positron Source Parameter Optimisation / Zhao, Yongke (Shandong U. ; CERN) ; Döbert, Steffen (CERN) ; Latina, Andrea (CERN) ; Ma, Lianliang (Shandong U.)
In this report, we proposed a new simple and efficient algorithm for positron source parameter optimisation, which is based on iterations of scan of free parameters in the simulation. The new algorithm is fast, simple and convincing since the results can be visually drawn and flexibly tuned and it has an advantage that it can easily handle realistic parametric problems with more than one objective quantities to optimise. [...]
2021 - 4 p. - Published in : 10.18429/JACoW-IPAC2021-WEPAB013 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, Br, 24 - 28 May 2021, pp.WEPAB013
4.
Optimisation of the CLIC Positron Source / Zhao, Yongke (Shandong U. ; CERN) ; Bajas, Hugues (CERN) ; Döbert, Steffen (CERN) ; Latina, Andrea (CERN) ; Ma, Lianliang (Shandong U.)
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. [...]
2021 - 4 p. - Published in : 10.18429/JACoW-IPAC2021-WEPAB014 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, Br, 24 - 28 May 2021, pp.2613-2616
5.
Optimization of the CLIC positron source using a start-to-end simulation approach involving multiple simulation codes / Han, Y L (Orsay, LAL) ; Bayar, C (Ankara U.) ; Latina, A (CERN) ; Doebert, S (CERN) ; Schulte, D (CERN) ; Ma, L L (Shandong U.)
A start-to-end optimization simulation toolkit for the CLIC positron source has been developed using multiple simulation codes to model adequately different areas of the positron source. The positron source includes the targets using channeling and pair-production processes, the adiabatic matching device and the pre-injector and injector linacs. [...]
2019 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 928 (2019) 83-88
6.
Comparison of Different Matching Device Field Profiles for the FCC-ee Positron Source / Zhao, Yongke (Shandong U. ; CERN) ; Auchmann, Bernhard (PSI, Villigen) ; Chaikovska, Iryna (IJCLab, Orsay) ; Chehab, Robert (IJCLab, Orsay) ; Craievich, Paolo (PSI, Villigen) ; Döbert, Steffen (CERN) ; Kosse, Jaap (PSI, Villigen) ; Latina, Andrea (CERN) ; Ma, Lianliang (Shandong U.) ; Martyshkin, Pavel (Novosibirsk, IYF) et al.
In this report, we compared different matching device field profiles for the FCC-ee positron source. The matching device is used to capture positrons with magnetic field. [...]
JACoW, 2021 - 4 p. - Published in : JACoW IPAC 2021 (2021) 2617-2620 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.2617-2620
7.
Optimisation of the FCC-ee Positron Source Using a HTS Solenoid Matching Device / Zhao, Yongke (CERN) ; Auchmann, Bernhard (PSI, Villigen) ; Chaikovska, Iryna (IJCLab, Orsay) ; Chehab, Robert (IJCLab, Orsay) ; Craievich, Paolo (PSI, Villigen) ; Döbert, Steffen (CERN) ; Duda, Michal (Cracow, INP) ; Kosse, Jaap (PSI, Villigen) ; Latina, Andrea (CERN) ; Martyshkin, Pavel (Novosibirsk, IYF) et al.
In this paper, we present the simulation and optimisation of the FCC-ee positron source, where a high-temperature superconducting (HTS) solenoid is used as the matching device to collect positrons from the target. The "conventional" target scheme is used which simply consists of amorphous tungsten. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 2003-2006 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.2003-2006
8.
The FCCee Pre-Injector Complex / Craievich, Paolo (PSI, Villigen) ; Alharthi, Fahad (IJCLab, Orsay) ; Auchmann, Bernhard (PSI, Villigen) ; Bartmann, Wolfgang (CERN) ; Benedikt, Michael (CERN) ; Besana, Maria Ilaria (CERN) ; Bettoni, Simona (PSI, Villigen) ; Braun, Hans-Heinrich (PSI, Villigen) ; Calviani, Marco (CERN) ; Chaikovska, Iryna (IJCLab, Orsay) et al.
The international FCC study group published in 2019 a Conceptual Design Report for an electron-positron collider with a centre-of-mass energy from 90 to 365 GeV with a beam currents of up to 1.4 A per beam. The high beam current of this collider create challenging requirements on the injection chain and all aspects of the linac need to be carefully reconsidered and revisited, including the injection time structure. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 2007-2010 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.2007-2010
9.
Optimization of the CLIC RTML at 380 GeV / Zhao, Yongke (CERN) ; Latina, Andrea (CERN)
The baseline configuration of the Compact Linear Collider’s Rings-to-Main-Linac section has been optimized for the 380 GeV center-of-mass energy stage, and some outstanding issues in previous designs have been resolved [...]
CERN-ACC-2024-0004 ; CLIC-Note-1199.
- 2024 - 7.
Full text
10.
R&D on the Drive Beam Injector Frond End for CLIC / Doebert, Steffen (CERN)
2013 - Published in : ICFA Beam Dyn. Newsl.: 62 (2013) , pp. 25-27 External link: Fulltext from ICFA

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