CERN Accelerating science

CLIC Notes

Industrilization study for 12 GHz Accelerating Structures for CLIC 380 / Magazinik, Anastasiya (Tampere University of Technology (FI)) ; Catalan Lasheras, Nuria (CERN) ; Sauza Bedolla, Joel
The Compact Linear Collider (CLIC) is a multi-TeV electron-positron machine under development by the CLIC accelerator collaboration for few decades. [...]
CERN-ACC-2021-0016 ; CLIC-Note-1178.
- 2021. - 34 p.
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Simulation of the CLIC beam delivery system using BDSIM / Blair, G A
CERN-PS-RF-NOTE-2002-072 PS-RF-NOTE-2002-072 ; CLIC-Note-509. - 2002. - 17 p.

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KlyC. The 1D/1.5D large signal computer code for the Klystron simulations. User Manual. Version 6. (included CGUN for the 2D electron beam optics simulation). / Cai, Jinchi (Lancaster University (GB)) ; Syratchev, Igor (CERN) ; Burt, Graeme Campbell (Lancaster University (GB))
Almost all accurate and efficient 2D large-signal codes for klystron simulations are proprietary and are not freely available to the wider klystron community [...]
CERN-ACC-2022-0008 ; CLIC-Note-1177.
- 2022. - 31 p.
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DC Beam Stability issues in the first commercial prototype of a High Efficiency 8MW X-Band Klystron / Syratchev, Igor (CERN) ; Un Nisa, Zaib (CERN) ; Cai, Jinchi (Lancaster University (GB)) ; Burt, Graeme Campbell (Lancaster University (GB)) ; Anno, Toshiro (Canon Electron Tubes & Devices Co., Ltd (CETD))
The first commercial prototype of the new High Efficiency (HE) 8MW klystron was built and tested at CETD in the fall of 2021. [...]
CERN-ACC-2022-0007 ; CLIC-Note-1176.
- 2022. - 13 p.
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Amorphous and Diamond-Like Carbon coatings for SEY reduction of dielectric materials for accelerating structure applications / Grudiev, Alexej (CERN) ; Neupert, Holger (CERN) ; Vollenberg, Wilhelmus (CERN) ; Jing, Chunguang (Euclid Techlabs LLC) ; Poddar, Shashi (Euclid Techlabs LLC) ; Freemire, Ben (Euclid Techlabs LLC)
Multipactor discharges in dielectric accelerating structures are a major limitation on the performance of this otherwise very promising technology for future high energy physics machines and other applications. [...]
CERN-ACC-2022-0006 ; CLIC-Note-1175.
- 2022. - 16 p.
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The CLIC project / Brunner, O. (CERN) ; Burrows, P.N. (JAI, UK) ; Calatroni, S. (CERN) ; Lasheras, N. Catalan (CERN) ; Corsini, R. (CERN) ; D'Auria, G. (Sincrotrone Trieste) ; Doebert, S. (CERN) ; Faus-Golfe, A. (IJCLab, Orsay) ; Grudiev, A. (CERN) ; Latina, A. (CERN) et al.
The Compact Linear Collider (CLIC) is a multi-TeV high-luminosity linear e$^+$e$^-$-collider under development by the CLIC accelerator collaboration, hosted by CERN. [...]
arXiv:2203.09186 ; CERN-ACC-2022-005 ; CLIC-Note-1174.
- 42 p.

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Novel cavity with ultra-low R/Q for CLIC damping ring RF system / Grudiev, Alexej (CERN) ; Mastoridis, Themistoklis (California Polytechnic State Univ. (US))
The Compact Linear Collider (CLIC) Damping Rings (DRs) need to generate ultra-low emittance bunches to achieve high luminosity in CLIC. [...]
CERN-ACC-2021-0008 ; CLIC-Note-1173.
- 2021. - 24 p.
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Novel open cavity design for rotating mode rf pulse compressors / Wu, Xiaowei (CERN) ; Grudiev, Alexej (CERN)
A new X-band high-power rotating mode SLAC energy doubler (SLED)-type rf pulse compressor is proposed. It is based on a novel cavity type, a single open bowl-shaped energy storage cavity with highquality factor and compact size, which is coupled to the waveguide using a compact rotating mode launcher [...]
CERN-ACC-2021-0004; CLIC-Note-1172.- Geneva : CERN, 2021 - 10 p. - Published in : Phys. Rev. Accel. Beams 24 (2021) 112001 Fulltext: PDF; Fulltext from publisher: PDF;

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New optimized fully loaded CLIC drive beam accelerating structure design / DORDA MARTIN, Ana (CERN) ; Doebert, Steffen (CERN)
The CLIC drive beam accelerator (DBA) provides a very high current beam to supply the RF power to the main accelerator; therefore, its efficiency is the most important figure of merit. [...]
CERN-ACC-2021-0003 ; CLIC-Note-1171.
- 2021. - 19 p.
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Thermal and Modal Simulations for the CLIC Module / Petry, Alice (Helsinki Institute of Physics (FI))
The accelerating technologies used in CLIC currently have an RF efficiency of about 40 % The RF losses are dissipated as heat into the cavity disks of the super-accelerating structures, which leads to unwanted thermal deformation. [...]
CERN-ACC-2021-0002 ; CLIC-Note-1170.
- 2021. - 18 p.
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