CERN Accelerating science

ATS Reports

Последно добавени:
2021-11-12
17:09
LHC Configuration and Operational Scenario for Run 3 / Fartoukh, Stephane (CERN) ; Kostoglou, Sofia (CERN) ; Solfaroli Camillocci, Matteo (CERN) ; Arduini, Gianluigi (CERN) ; Bartosik, Hannes (CERN) ; Bracco, Chiara (CERN) ; Brodzinski, Krzysztof (CERN) ; Bruce, Roderik (CERN) ; Buffat, Xavier (CERN) ; Calviani, Marco (CERN) et al.
After its second successful run period, the Large Hadron Collider (LHC) shut down for three years with the plan of being recommissioned in 2022 for a three-year physics production period, the Run 3. [...]
CERN-ACC-2021-0007.
- 2021. - 33 p.
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2021-10-20
09:50
Beam Instabilities in Circular Particle Accelerators / Metral, Elias (CERN)
The theory of impedance-induced bunched-beam coherent instabilities is reviewed following Laclare's formalism, adding the effect of an electronic damper in the transverse plane. [...]
CERN-ACC-SLIDES-2021-0001.
- 2021.
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2021-08-11
11:20
Design of High-Precision lifting system for the HL-LHC Heavy Components in the interaction region / Micolon, Frederic ; Sosin, Mateusz (CERN)
Given the high radiation level and the tight alignment tolerances, the HL-LHC interaction region components are designed to be realigned remotely using motorized supporting jacks, as human interventions in these zones must be limited to the strict minimum. A position adjustment system will allow a vertical and horizontal displacement of each jack support by at least +/- 2.5 mm with a resolution of less than 10 μm [...]
CERN-ACC-2021-0006.- Geneva : CERN, 2021 - 4 p.
In : 11th International Conference on Mechanical Engineering Design of Synchrotron Radiation Equipment and Instrumentation, Online, Us, Online, 26 - 29 Jul 2021, pp.MEDSI20

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2021-07-20
18:28
Mechanical Behavior of the Shielded HL-LHC Beam Screen during a Magnet Quench / Morrone, Marco (CERN) ; Garion, Cedric (CERN) ; Chiggiato, Paolo (CERN) ; Sacristan De Frutos, Oscar ; Guinchard, Michael (CERN) ; Fiscarelli, Lucio (CERN)
In the framework of the High-Luminosity Large Hadron Collider (HL-LHC) project, larger and shielded beam screens will be installed in the beam pipe of the superconducting magnets of the insertion next to the ATLAS and CMS detectors. The beam screen is a complex assembly that guarantees the vacuum requirements while shielding the magnet cold mass from the induced heat loads. [...]
CERN-ACC-2021-0005.- Geneva : CERN, 2021 - 24 p. - Published in : IEEE Trans. Appl. Supercond. 31 (2021) 9000616 Fulltext: PDF;

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2021-07-15
17:19
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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2021-05-21
08:46
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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2021-03-04
12:13
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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2021-02-04
15:03
The CLIC Wake Field Monitor Study / Lillestol, Reidar Lunde
In a particle collider like CLIC, it is vital to achieve high luminosities in order to be able to study rare physics processes. [...]
CERN-ACC-2021-0001 ; CLIC-Note-1169.
- 2017. - 19 p.
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2020-12-18
18:35
BE Department Annual Report 2019 / Collier, Paul (CERN) ; Arduini, Gianluigi (CERN) ; Billen, Ronny (CERN) ; Hatziangeli, Eugenia (CERN) ; Jensen, Erk (CERN) ; Jones, Rhodri (CERN) ; Laderi, Efthymia (CERN) ; Lamont, Mike (CERN) ; Mackney, Anna (CERN) ; Sollander, Peter (CERN) et al.
The Beams Department hosts the Groups responsible for the beam generation, acceleration, diagnostics, controls and performance optimization for the whole CERN accelerator complex. [...]
CERN-ACC-2020-0034.
- 2020. - 96 p.
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2020-11-18
11:18
The Compact Linear Collider (CLIC) Snowmass 2021 LoI / Robson, Aidan (University of Glasgow (GB)) ; Burrows, Philip Nicholas (University of Oxford (GB)) ; Schulte, Daniel (CERN) ; Stapnes, Steinar (CERN)
The Compact Linear Collider (CLIC) is a multi-TeV high-luminosity linear e+e− collider under development by the CLIC accelerator collaboration. [...]
CERN-ACC-2020-0033 ; CLIC-Note-1168.
- 2020. - 4 p.
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