CERN Accelerating science

All CERN Accelerators documents

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2018-04-27
07:11
Development of MQYY: A 90-mm NbTi Double Aperture Quadrupole Magnet for HL-LHC / Felice, Helene (IRFU, Saclay) ; Segreti, Michel (IRFU, Saclay) ; Simon, Damien (IRFU, Saclay) ; Rifflet, Jean Michel (IRFU, Saclay) ; Gheller, Jean Marc (IRFU, Saclay) ; Bouziat, Denis (IRFU, Saclay) ; Madur, Arnaud (IRFU, Saclay) ; Graffin, Patrick (IRFU, Saclay ; IRFU, Saclay, DACM) ; Salvador, Henri (IRFU, Saclay ; IRFU, Saclay, DACM) ; Millot, Jean Francois (IRFU, Saclay ; IRFU, Saclay, DACM) et al.
In the context of the HL-LHC project, a NbTi double aperture quadrupole magnet called MQYY is being developed. This 90-mm-aperture quadrupole magnet has a magnetic length of 3.67 m and an operating gradient of 120 T/m at 1.9 K. [...]
2018 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4500105
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4500105

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2018-04-27
07:11
Longitudinally Variable Field Dipole Design Using Permanent Magnets For CLIC Damping Rings / Dominguez Martinez, Manuel Angel (Madrid, CIEMAT) ; Toral, Fernando (Madrid, CIEMAT) ; Ghasem, Hossein (CERN) ; Papadopoulou, Parthena Stefania (CERN) ; Papaphilippou, Yannis (CERN)
The latest CLIC damping ring lattice is based on magnets with longitudinally variable dipole fields in order to achieve ultralow beam emittance while keeping the ring circumference small. These magnets need to provide a focusing gradient of 11 T/m as well. [...]
2018 - 4 p. - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4004704
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4004704

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2018-04-27
07:11
3-D Magnetic and Mechanical Design of Coil Ends for the Racetrack Model Magnet RMM / Rochepault, Etienne (CERN ; IRFU, Saclay) ; Izquierdo Bermudez, Susana (CERN) ; Perez, Juan Carlos (CERN) ; Schoerling, Daniel (CERN) ; Tommasini, Davide (CERN)
The racetrack model magnet (RMM) is a racetrack test magnet being developed at CERN. Its main goal is to demonstrate, in view of future high field accelerator magnets, that a nominal field of 16 T can be reached in a 50 mm bore, with margins and limited training. [...]
2018 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4006105
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4006105

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2018-04-27
07:11
New Method for Magnet Protection Systems Based on a Direct Current Derivative Sensor / De Matteis, E (CERN) ; Calcoen, D (CERN) ; Denz, R (CERN) ; Siemko, A (CERN) ; Steckert, J (CERN) ; Storkensen, M B (CERN)
A new method of the quench detection systems (QDS) designed for the LHC 600 A corrector magnet circuits and 6 kA individual powered quadrupole (IPQ) magnet circuits is presented. In order to improve the dependability of QDS, a direct measurement of the current derivative is proposed. [...]
2018 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4700505
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4700505

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2018-04-27
07:11
Equivalent circuit modelling of travelling wave accelerating structures and its applications / Esfahani, Nasrin Nasr (CERN) ; Kramer, Patrick (CERN ; RWTH Aachen U.) ; Vollinger, Christine (CERN)
This paper presents an equivalent circuit model for the parallel bar 200 MHz travelling wave structure of the CERN Super Proton Synchrotron. This equivalent circuit will be used for studying the performance of the higher order mode couplers at 628 MHz [...]
2017 - 4 p. - Published in : 10.23919/EuMC.2017.8230912
In : 47th European Microwave Conference, Nuremberg, Germany, 10 - 12 Oct 2017, pp.572-575

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2018-04-27
07:11
Novel spatial harmonic magnetrons and their potential applications / Esfahani, Nasrin Nasr (CERN)
This paper provides an overview of our recent progresses in theory, design, simulation, and fabrication of novel metamaterial based spatial harmonic magnetrons. The approximate analysis which provides the guidelines for the design and predicts the important characteristics of these devices will be presented. [...]
2017 - 4 p. - Published in : 10.23919/EuMC.2017.8230937
In : 47th European Microwave Conference, Nuremberg, Germany, 10 - 12 Oct 2017, pp.676-679

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2018-04-26
10:23
Magnetic Measurements on the PS Magnet Unit U17 with Hall Probes / Cornuet, D ; Sharifullin, Z (Scientific Associate from IHEP, Protvino, Russia)
CERN-AT-MA-Note-92-23.
- 1992. - 110 p.
Full text

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2018-04-26
07:19
Cyclotrons: Magnetic Design and Beam Dynamics / Zaremba, Simon (IBA, Louvain-la-Neuve) ; Kleeven, Wiel (IBA, Louvain-la-Neuve)
Classical, isochronous, and synchro-cyclotrons are introduced. Transverse and longitudinal beam dynamics in these accelerators are covered. [...]
arXiv:1804.08961.- 2018-04-24 - 63 p. - Published in : 10.23730/CYRSP-2017-001.177 Fulltext: PDF;
In : CAS - CERN Accelerator School: Accelerators for Medical Applications, Vösendorf, Austria, 26 May - 5 Jun 2015, pp.177-239 (CERN-2017-004-SP)

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2018-04-26
07:19
Medical Physics Commissioning / Meer, David (PSI, Villigen)
The medical commissioning is an important step to bring a particle gantry into clinical operation for tumour treatments. This involves the parametrization and characterization of all relevant systems including the beam delivery, the patient table, the imaging systems and the connection to all required software components. [...]
arXiv:1804.08983.- 2018-04-24 - 7 p. - Published in : 10.23730/CYRSP-2017-001.285 Fulltext: PDF;
In : CAS - CERN Accelerator School: Accelerators for Medical Applications, Vösendorf, Austria, 26 May - 5 Jun 2015, pp.285-291 (CERN-2017-004-SP)

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2018-04-26
07:19
Therapy Control and Patient Safety for Proton Therapy / Grossmann, Martin (PSI, Villigen)
This contribution describes general concepts for control and safety systems in proton therapy. These concepts are illustrated by concrete examples implemented in the Proscan facility at PSI..
arXiv:1804.08990.- 2018-04-24 - 11 p. - Published in : 10.23730/CYRSP-2017-001.309 Fulltext: PDF;
In : CAS - CERN Accelerator School: Accelerators for Medical Applications, Vösendorf, Austria, 26 May - 5 Jun 2015, pp.309-319 (CERN-2017-004-SP)

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