CERN Accelerating science

ATS Reports

Ultimi arrivi:
Magnetic Frequency Response of High-Luminosity Large Hadron Collider Beam Screens / Morrone, Marco (CERN, Imperial College London) ; Martino, Michele (CERN) ; De Maria, Riccardo (CERN) ; Fitterer, Miriam (FNAL) ; Garion, Cedric (CERN)
Magnetic fields used to control particle beams in accelerators are usually controlled by regulating the electrical current of the power converters. [...]
- 2019. - 22 p.
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MD#1828: Beam scraping in case of non-working LBDS / Valette, Matthieu ; Lindstrom, Bjorn Hans Filip (Uppsala University (SE)) ; Mereghetti, Alessio (CERN) ; Schmidt, Rudiger (Technische Universitaet Darmstadt (DE)) ; Solfaroli Camillocci, Matteo (CERN) ; Uythoven, Jan (CERN) ; Valuch, Daniel (CERN) ; Wenninger, Jorg (CERN) ; Wollmann, Daniel (CERN) ; Zerlauth, Markus (CERN)
In the very unlikely event of a non-working beam dumping system in the LHC, the up to 360 MJ (680 MJ for HiLumi) of beam energy per beam can be dissipated in the collimation system as a last alternative to an extraction into the beam dump. [...]
- 2019. - 6 p.
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BE Department Annual Report 2017 / Collier, Paul (CERN) ; Arduini, Gianluigi (CERN) ; Billen, Ronny (CERN) ; Hatziangeli, Eugenia (CERN) ; Jensen, Erk (CERN) ; Jones, Rhodri (CERN) ; Lamont, Mike (CERN) ; Mackney, Anna (CERN) ; Sollander, Peter (CERN) ; Steerenberg, Rende (CERN)
The Beams Department hosts the Groups responsible for the beam generation, acceleration, diagnostics, controls and performance optimization for the whole CERN accelerator complex. [...]
- 2018. - 70 p.
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LHeC Cost Estimate / Bruning, Oliver (CERN)
This report looks at the cost estimate for the Linac-Ring option using the ERL layout from the LHeC CDR and evaluates cost variations as a function of the electron beam energy. [...]
- 2018. - 10 p.
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Report from the ABP Computing Working Group (ABP-CWG) activities in 2017-18 / Rumolo, Giovanni (CERN) ; Buffat, Xavier (CERN) ; De Maria, Riccardo (CERN) ; Deniau, Laurent (CERN) ; Iadarola, Giovanni (CERN)
The Accelerators and Beam Physics (ABP) Group is responsible for studying and understanding the beam dynamics over the complete CERN Accelerator Complex through theoretical, simulation and experimental studies. [...]
- 2018. - 11 p.
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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. [...]
- 2018. - 164 p.

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Tuning of the CLIC 380 GeV Final-Focus System with Static Imperfections / Ogren, Jim Alexander (CERN) ; Latina, Andrea (CERN) ; Tomas Garcia, Rogelio (CERN) ; Schulte, Daniel (CERN)
The final-focus system demagnifies the beams down to nanometer sizes in order to achieve the nominal luminosity. [...]
CERN-ACC-2018-0055 ; CLIC-Note-1141.
- 2018. - 17 p.
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Dynamic aperture studies for HL-LHC V1.0 / Cai, Yunhai ; De Maria, Riccardo (CERN) ; Giovannozzi, Massimo (CERN) ; Nosochkov, Yuri (SLAC National Accelerator Laboratory (US)) ; Van Der Veken, Frederik (University of Malta (MT))
Intense efforts have been devoted to the detailed study of the dynamic aperture of the HL-LHC V1.0 optics and layout version, without beam-beam effects, for several configurations, differing by optical properties or properties of the field quality of the new magnets for HL-LHC. [...]
- 2018. - 42 p.

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Beam-based beamline element alignment for the main linac of the 380 GeV stage of CLIC / Blaskovic Kraljevic, Neven (CERN) ; Schulte, Daniel (CERN)
The extremely small vertical beam size required at the interaction point of future linear colliders, such as the Compact Linear Collider (CLIC), calls for a very small vertical emittance. [...]
CERN-ACC-2018-0053 ; CLIC-Note-1140.
- 2018. - 8 p.
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Stray magnetic field tolerances for the 380 GeV CLIC design / Gohil, Chetan (University of Oxford (GB)) ; Schulte, Daniel (CERN) ; Burrows, Philip Nicholas (University of Oxford (GB))
The amplitude of external dynamic magnetic fields that can be tolerated by the 380 GeV CLIC design are presented along with the effect of different correction techniques. [...]
CERN-ACC-2018-0052 ; CLIC-Note-1139.
- 2018. - 11 p.
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