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CLIC Notes

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2020-09-17
12:40
Thermal and Modal Simulations for the CLIC Module / Berg, Henri (Helsinki Institute of Physics (FI))
This article examines the modal frequencies and thermal deformations with different cooling schemes in unloaded condition of the latest girder and super accelerator structure (SAS) design of the CLIC module. [...]
CERN-ACC-2020-0024 ; CLIC-Note-1163. - 2020. - 14 p.
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2020-09-17
12:07
Performance of the Optimized Mechanical Design of the CLIC Main-Beam Quadrupole Magnet Prototype / Modena, Michele (CERN) ; Petrone, Carlo (CERN)
The Main-Beam Quadrupole (MBQ) magnets of CLIC, the Compact Linear Collider understudy at the CERN Laboratory in Geneva, are part of a critical magnet family, considering the industrial production challenges. [...]
CERN-ACC-2020-0023 ; CLIC-Note-1162. - 2020. - 6 p.
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2020-09-17
10:48
Development of Prototype MgB2 Superconducting Solenoid Magnet for High-efficiency Klystron Applications / Watanabe, H (Hitachi (JP)) ; Koga, T (Hitachi (JP)) ; Tanaka, H (Hitachi (JP)) ; Wakuda, T (Hitachi (JP)) ; Yamamoto, Akira (High Energy Accelerator Research Organization (JP)) ; Michizono, S (High Energy Accelerator Research Organization (JP)) ; Syratchev, Igor (CERN) ; Mcmonagle, Gerard (CERN) ; Catalan Lasheras, Nuria (CERN) ; Calatroni, Sergio (CERN)
A wind-and-react MgB2 solenoid magnet for klystrons has been developed. [...]
CERN-ACC-2020-0022 ; CLIC-Note-1161. - 2020. - 7 p.
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2020-09-17
09:03
Performance of MgB2 Superconductor Developed for High-Efficiency Klystron Applications / Tanaka, Hideki (Hitachi (JP)) ; Suzuki, Takaaki (Hitachi (JP)) ; Kodama, Motomune (Hitachi (JP)) ; Koga, Tomoyuki (Hitachi (JP)) ; Watanabe, Hiroyuki (Hitachi (JP)) ; Yamamoto, Akira (High Energy Accelerator Research Organization (JP)) ; Shinichiro, Michizono (High Energy Accelerator Research Organization (JP))
An 8-km long MgB2 wire for a prototype klystron magnet was made and evaluated. [...]
CERN-ACC-2020-0021 ; CLIC-Note-1160. - 2020. - 6 p.
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2020-09-16
16:11
Applying Superconducting Magnet Technology for High-efficiency Klystrons in Particle Accelerator RF Systems / Yamamoto, Akira (High Energy Accelerator Research Organization (JP)) ; Michizono, Shinichiro ; Wuensch, Walter (CERN) ; Syratchev, Igor (CERN) ; Mcmonagle, Gerard (CERN) ; Catalan Lasheras, Nuria (CERN) ; Calatroni, Sergio (CERN) ; Stapnes, Steinar (CERN) ; Watanabe, Hiroyuki (Hitachi (JP)) ; Tanaka, Hideki (Hitachi (JP)) et al.
An MgB2 superconducting solenoid magnet has been developed for electron beam focusing in X-band (12 GHz) klystrons for particle accelerator RF systems, to provide a central field of 0.8 T at 57 A and at ≥ 20 K. [...]
CERN-ACC-2020-0020 ; CLIC-Note-1159. - 2020. - 6 p.
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2020-09-16
14:27
Coupled RF-Thermo-Structural Analysis of CLIC Traveling Wave Accelerating Structures / Papke, Kai ; Rossi, Carlo (CERN) ; Burt, Graeme Campbell (Lancaster University (GB))
Temperature changes in the CLIC accelerating structure lead to unwanted deformation. [...]
CERN-ACC-2020-0019 ; CLIC-Note-1158. - 2020. - 47 p.
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2020-01-27
13:16
Localization of vacuum breakdown locations in RF structures using S-parameter data / WU, Chien Hung (the University of Oxford (GB)) ; Paszkiewicz, Jan (University of Oxford (GB))
This project is an investigation to find the breakdown locations using a new method involving group delays of the Scattering parameters (or S-parameters). [...]
CERN-ACC-2020-0006 ; CLIC-Note-1157. - 2019. - 13 p.
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2019-12-09
11:43
Behaviour of copper during initial conditioning in the pulse DC system / Profatilova, Iaroslava (CERN) ; Wuensch, Walter (CERN) ; Calatroni, Sergio (CERN)
Conditioning is a process that is used to improve the quality of RF accelerating structures before starting operation at full field and power. [...]
CERN-ACC-2019-0058 ; CLIC-Note-1145. - 2019. - 10 p.
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2019-08-21
08:59
CLIC study update August 2019 / Latina, Andrea (CERN) ; Schulte, Daniel (CERN) ; Stapnes, Steinar (CERN)
In 2018 the CLIC study submitted a number of reports as input to the update of European Strategy for Particle Physics, among them a detailed description of the CLIC accelerator complex and its performance. [...]
CERN-ACC-2019-0051 ; CLIC-Note-1143. - 2019. - 4 p.
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2019-05-13
11:28
Tolerance study for accelerating structure in the CLIC main linac / Liu, Jiayang (Tsinghua University / CERN) ; Grudiev, Alexej (CERN)
The tolerances are essential for defining the fabrication shape accuracy specification as well as the structure temperature control. [...]
CERN-ACC-2019-0049 ; CLIC-Note-1142. - 2019. - 17 p.
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