CERN Accelerating science

ATS Reports

Najnovije dodano:
2017-10-31
10:45
Study of Power Converter Topologies with Energy Recovery and grid power flow control Part C: a review of alternative structures / Papastergiou, Konstantinos (CERN) ; Le Godec, Gilles (CERN) ; Maestri, Sebastian (Laboratorio de Instrumentaci_on y Control (LIC)- Instituto de Investigaciones Cientificas y Tecnologicas en Electronica (ICYTE)-Universidad Nacional de Mar del Plata, Argentina) ; Retegui, Rogelio Garcia (Laboratorio de Instrumentaci_on y Control (LIC)- Instituto de Investigaciones Cientificas y Tecnologicas en Electronica (ICYTE)-Universidad Nacional de Mar del Plata, Argentina) ; Uicich, Gustavo (Laboratorio de Instrumentaci_on y Control (LIC)- Instituto de Investigaciones Cientificas y Tecnologicas en Electronica (ICYTE)-Universidad Nacional de Mar del Plata, Argentina) ; Benedetti, Mario (Laboratorio de Instrumentaci_on y Control (LIC)- Instituto de Investigaciones Cientificas y Tecnologicas en Electronica (ICYTE)-Universidad Nacional de Mar del Plata, Argentina) ; Carrica, Daniel (Laboratorio de Instrumentaci_on y Control (LIC)- Instituto de Investigaciones Cientificas y Tecnologicas en Electronica (ICYTE)-Universidad Nacional de Mar del Plata, Argentina)
In the framework of a Transfer line (TT2) Consolidation Programme, a number of studies on Energy cycling have been commissioned. [...]
CERN-ACC-2017-0089.
- 2017. - 43 p.
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2017-10-30
10:03
Optics Measurements and Correction Challenges for the HL-LHC / Carlier, Felix Simon (Technische Universiteit Delft (NL)) ; Coello De Portugal - Martinez Vazquez, Jaime Maria (Universitat Politecnica Catalunya (ES)) ; Fartoukh, Stephane (CERN) ; Fol, Elena (University of Applied Sciences (DE)) ; Gamba, Davide (CERN) ; Garcia-Tabares Valdivieso, Ana (Universidad Complutense (ES)) ; Giovannozzi, Massimo (CERN) ; Hofer, Michael (Vienna University of Technology (AT)) ; Langner, Andy Sven (CERN) ; Maclean, Ewen Hamish (CERN) et al.
Optics control in the HL-LHC will be challenged by a very small β* of 15 cm in the two main experiments [...]
CERN-ACC-2017-0088.
- 2017. - 58 p.
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2017-09-18
09:54
LHC Full Energy Exploitation Study: Operation at 7 TeV / Bruning, Oliver (CERN) ; Garcia Alia, Ruben (CERN) ; Antoniou, Fanouria ; Apollonio, Andrea (CERN) ; Arduini, Gianluigi (CERN) ; Baglin, Vincent (CERN) ; Bartmann, Wolfgang (CERN) ; Bednarek, Mateusz Jakub (CERN) ; Bracco, Chiara (CERN) ; Bregliozzi, Giuseppe (CERN) et al.
This is the first report of a three volume study on the full energy exploitation of the LHC. [...]
CERN-ACC-2017-0086.
- 2017. - 51 p.
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2017-09-06
09:08
Reliability study of the Controls Interlocks Beam Dumping System CIBDS V5 / Blumenschein, Miriam Ruth (CERN)
The CIBDS V5 reliability study includes a failure mode and effect analysis, a failure rate prediction and a fault tree analysis. [...]
CERN-ACC-2017-0085.
- 2017. - 77 p.
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2017-08-14
14:59
Numerical simulations of energy deposition caused by 50 MeV—50 TeV proton beams in copper and graphite targets / Nie, Y (CERN) ; Schmidt, R (CERN) ; Chetvertkova, V (GSI Helmholtzzentrum für Schwerionenforschung) ; Rosell-Tarrago, G (University of Barcelona) ; Burkart, F (CERN) ; Wollmann, D (CERN)
The conceptual design of the Future Circular Collider (FCC) is being carried out actively in an international collaboration hosted by CERN, for the post–Large Hadron Collider (LHC) era. The target center-of-mass energy of proton-proton collisions for the FCC is 100 TeV, nearly an order of magnitude higher than for LHC. [...]
CERN-ACC-2017-0054.- Geneva : CERN, 2017 - 17 p. - Published in : Phys. Rev. Spec. Top. Accel. Beams 20 (2017) 081001 Fulltext: PDF;

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2017-07-27
17:55
Probing LINEAR Collider Final Focus Systems in SuperKEKB / Thrane, Paul Conrad Vaagen (Norwegian University of Science and Technology (NO))
A challenge for future linear collider final focus systems is the large chromaticity produced by the final quadrupoles [...]
CERN-ACC-2017-0052 ; CLIC-Note-1077.
- 2017. - 7 p.
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2017-07-13
18:04
Updated parameters for HL-LHC aperture calculations for proton beams / Bruce, Roderik (CERN) ; Bracco, Chiara (CERN) ; De Maria, Riccardo (CERN) ; Giovannozzi, Massimo (CERN) ; Redaelli, Stefano (CERN) ; Tomas Garcia, Rogelio (CERN) ; Velotti, Francesco Maria (CERN) ; Wenninger, Jorg (CERN)
During the accelerator design, it is important to have a reliable way of estimating the available aperture, in order to ensure a sufficient beam clearing and avoid potentially limiting beam losses on the aperture. [...]
CERN-ACC-2017-0051.
- 2017. - 14 p.
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2017-07-05
11:38
LHC Availability 2017: Restart to Technical Stop 1 / Todd, Benjamin (CERN) ; Ponce, Laurette (CERN) ; Apollonio, Andrea (CERN)
This document summarises the LHC machine availability for the period of Restart to Technical Stop 1 (TS1) in 2017. [...]
CERN-ACC-NOTE-2017-0046.
- 2017. - 15 p.
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2017-06-30
16:00
Comparison of coaxial higher order mode couplers for the CERN Superconducting Proton Linac study / Papke, Kai (CERN) ; Gerigk, Frank (CERN) ; Van Rienen, Ursula (IAE)
Higher order modes (HOMs) may affect beam stability and refrigeration requirements of superconducting proton linacs such as the Superconducting Proton Linac, which is studied at CERN. Under certain conditions beam-induced HOMs can accumulate sufficient energy to destabilize the beam or quench the superconducting cavities. [...]
CERN-ACC-2017-0050.- Geneva : CERN, 2017 - 19 p. - Published in : Phys. Rev. Accel. Beams 20 (2017) 1-19 Fulltext: PDF;

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2017-06-21
10:10
The Future of Superconducting Technology for Particle Accelerators / Yamamoto, Akira (High Energy Accelerator Research Organization (JP))
Introduction: - Colliders constructed and operated - Future High Energy Colliders under Study - Superconducting Phases and Applications - Possible Choices among SC Materials Superconducting Magnets and the Future - Advances in SC Magnets for Accelerators - Nb3Sn for realizing Higher Field - NbTi to Nb3Sn for realizing High Field (> 10 T) - HL-LHC as a critical milestone for the Future of Acc [...]
CERN-ACC-SLIDES-2017-0008.
- 2015. - 56 p.
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