CERN Accelerating science

EU Funded Projects

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2016-04-25
19:58
Performance analysis of miniaturized PCB coils for small-aperture magnet qualification / Arpaia, Pasquale (University of Naples Federico II) ; Buzio, Marco (CERN) ; Dunkel, Olaf (CERN) ; D'Arco, Mauro (University of Naples Federico II) ; Russenschuck, Stephan (CERN) ; Severino, Giordana (CERN; University of Sannio)
The metrological performance of a magnetic field transducer, consisting of a fyberglass cylinder hosting three PCB coils with a diameter of 7.5 mm, is analyzed. The transducer aims at facing the more challenging goals expected in the near future of particle accelerators, involving magnet apertures smaller than 1 cm. [...]
CERN-ACC-2016-0029.- Geneva : CERN, 2016 - Published in : Fulltext: PDF;
In : IEEE Sensors 2015, Busan, Kor, 1 - 4 Nov 2015

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2016-04-25
12:16
Performance analysis of miniaturized PCB coils for small-aperture magnet qualification / Arpaia, Pasquale (University of Naples Federico II) ; Buzio, Marco (CERN) ; Dunkel, Olaf (CERN) ; D'Arco, Mauro (University of Naples Federico II) ; Russenschuck, Stephan (CERN) ; Severino, Giordana (CERN; University of Sannio)
The metrological performance of a magnetic field transducer, consisting of a fyberglass cylinder hosting three PCB coils with a diameter of 7.5 mm, is analyzed. The transducer aims at facing the more challenging goals expected in the near future of particle accelerators, involving magnet apertures smaller than 1 cm. [...]
CERN-ACC-2016-0028.- Geneva : CERN, 2016 - Published in : Fulltext: PDF;
In : IEEE Sensors 2015, Busan, Kor, 1 - 4 Nov 2015

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2016-04-25
11:51
Status of the PACMAN project / Artoos, Kurt (CERN) ; Buzio, Marco (CERN) ; Caiazza, Domenico (CERN; University of Sannio) ; Catalan Lasheras, Nuria (CERN) ; Cherif, Ahmed (CERN) ; Doytchinov, Iordan (CERN) ; Fuchs, Jean-Frédéric (CERN) ; Gaddi, Andrea (CERN) ; Galindo Munoz, Natalia (CERN) ; Gayde, Jean-Christophe (CERN) et al.
PACMAN*, a study on Particle Accelerator Components’ Metrology and Alignment to the Nanometre scale, is an Innovative Doctoral Programme, funded by the European Commission, hosted by CERN, providing a high quality training to 10 Early Stage Researchers (ESR) working towards a PhD. It is a multi-disciplinary project covering diverse fields such as beam instrumentation, magnetic measurements, metrology, high accuracy alignment and high precision mechanics. [...]
CERN-ACC-2016-0027.- Geneva : CERN, 2016 - Published in : Fulltext: PDF;
In : International Beam Instrumentation Conference , Melbourne, Australia, 13 - 17 Sep 2015

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2016-04-25
11:16
Rotating-coil calibration in a reference quadrupole, considering roll-angle misalignment and higher-order harmonics / Arpaia, Pasquale (University of Naples Federico II) ; Buzio, Marco (CERN) ; Köster, Oliver (CERN; Technical University of Darmstadt) ; Russenschuck, Stephan (CERN) ; Severino, Giordana (CERN; University of Sannio)
A method is proposed for calibrating the radius of a rotating coil sensor by relaxing the metrological constraints on alignment and field errors of the reference quadrupole. A coil radius calibration considering a roll-angle misalignment of the measurement bench, the magnet, and the motor-drive unit is analyzed. [...]
CERN-ACC-2016-0026.- Geneva : CERN, 2016 - Published in : Measurement 87 (2016) 74-82 Fulltext: PDF;

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2016-04-17
02:10
Small-Diameter Rotating Coils For Field Quality Measurements in Quadrupole Magnets / Braun, Hans (Paul Scherrer Institut) ; Buzio, Marco (CERN) ; Deckardt, Roland (Paul Scherrer Institut) ; Dunkel, Olaf (CERN) ; Felder, Roland (Paul Scherrer Institut) ; Fiscarelli, Lucio (CERN) ; Ganter, Romain (Paul Scherrer Institut) ; Kasaei, Samira (CERN) ; Löhl, Florian (Paul Scherrer Institut) ; Sanfilippo, Stephane (Paul Scherrer Institut) et al.
Two rotating coil shafts with a challenging small diameter of 8 and 19 mm, originally developed at CERN for the measurement of linear accelerator magnets, have been used to quantify the magnetic field strength, the harmonic content and the field direction of series quadrupoles for the Swiss Free Electron Laser in construction at the Paul Scherrer Institute. In this paper, we describe the design and construction of these coils, the procedure used for their calibration, and the results obtained on the magnets tested so far. [...]
CERN-ACC-2016-0024.- Geneva : CERN, 2016 - Published in : Fulltext: PDF;
In : 20th IMEKO TC-4 International Symposium Measurement of Electrical Quantities "Research on Electrical and Electronic Measurement for the Economic Upturn", Benevento, Italy, 15 - 17 Sep 2014

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2016-04-17
01:30
Sensors applications within the research framework of the PACMAN Project on metrology for particle accelerators at CERN
Within the framework of the Compact Linear Collider Study (CLIC) [1] at CERN, new sensing and actuators technologies must be developed in order to achieve the required performance. An ITN Marie Curie Skowoska project funded by the European Union was launched in 2013. [...]
CERN-ACC-2016-0023.- Geneva : CERN, 2016 - Published in : Fulltext: PDF;
In : IEEE 2016 Sensors Applications Symposium, Catania, Italy, 20 - 22 Apr 2016

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2016-04-16
21:45
Uncertainty analysis of a vibrating-wire system for magnetic axes localization / Arpaia, Pasquale (University of Naples; CERN) ; Caiazza, Domenico (CERN; University of Sannio) ; Petrone, Carlo (CERN) ; Russenschuck, Stephan (CERN)
A statistical approach to the uncertainty reduction of a vibrating-wire system for the measurement of magnetic axes in accelerator magnets is presented. A surface response methodology is employed to relate metrological performance to system design parameters by means of a suitable model based on analysis of means. [...]
CERN-ACC-2016-0022.- Geneva : CERN, 2016 - Published in : Fulltext: PDF;
In : 9th International Conference on Sensing Technology, Auckland, New Zealand, 8 - 10 Dec 2015

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2016-04-16
21:43
Stretched-Wire Techniques and Measurements for the Alignment of a 15ghz RF-BPM for CLIC / Zorzetti, Silvia (CERN; University of Pisa) ; Galindo Muñoz, Natalia (CERN) ; Wendt, Manfred (CERN) ; Fanucci, Luca (University of Pisa)
For the Compact LInear Collider (CLIC) project at CERN, maintaining low emittance beams, as they are transported along the two independent 10-20 km long main linacs, is crucial. The beam trajectory therefore has to be very well aligned to the magnetic centre of the quadrupole magnets. [...]
CERN-ACC-2016-0021.- Geneva : CERN, 2016 - Published in : Fulltext: PDF;
In : International Beam Instrumentation Conference , Melbourne, Australia, 13 - 17 Sep 2015

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2016-04-16
21:32
CLIC BPM-Quadrupole pre-alignment in the frame of the PACMAN Marie Curie Action / Zorzetti, Silvia (CERN; University of Pisa) ; Fanucci, Luca (University of Pisa) ; Wendt, Manfred (CERN)
The Compact Linear Collider (CLIC) re- quires a low emittance beam transport and preservation, thus a precise control of the beam orbit along up to 50 km of the accelerator components in the sub-μm regime is required. Within the PACMAN (Par- ticle Accelerator Components Metrology and Alignment to the Nanometer Scale) Ph.D. [...]
CERN-ACC-2016-0020.- Geneva : CERN, 2016 - Published in : Fulltext: PDF;
In : 20th IMEKO TC-4 International Symposium Measurement of Electrical Quantities "Research on Electrical and Electronic Measurement for the Economic Upturn", Benevento, Italy, 15 - 17 Sep 2014

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2016-04-16
19:51
Electromagnetic Field Pre-Alignment Of The Compact Linear Collider (CLIC) Accelerating Structure With Help Of Wakefield Monitor Signals / Galindo Muñoz, Natalia (CERN) ; Catalan Lasheras, Nuria (CERN) ; Zorzetti, Silvia (CERN) ; Wendt, Manfred (CERN) ; Faus Golfe, Angeles (IFIC) ; Boria Esbert, Vicente (Polytechnic University of Valencia)
The CLIC project, currently under study at CERN is an electron-positron collider at 3 TeV centre-of-mass energy and luminosity of 2*1034 cm-2s-1. Achieving such luminosity requires a beam dimension of 1 nm in the vertical plane and high beam stability. [...]
CERN-ACC-2016-0019.- Geneva : CERN, 2016 - Published in : Fulltext: PDF;
In : International Beam Instrumentation Conference , Melbourne, Australia, 13 - 17 Sep 2015

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