CERN Accelerating science

All CERN Accelerators documents

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2017-05-27
11:22
Development and Optimisation of the SPS and LHC beam diagnostics based on Synchrotron Radiation monitors / Trad, Georges
Measuring the beam transverse emittance is fundamental in every accelerator, in particular for colliders, where its precise determination is essential to maximize the luminosity and thus the performance of the colliding beams.
 Synchrotron Radiation (SR) is a versatile tool for non-destructive bea [...]
CERN-THESIS-2014-390 - 232 p.

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2017-05-27
07:20
PERLE: Powerful Energy Recovery Linac for Experiments - Conceptual Design Report / Angal-Kalinin, D. (Daresbury) ; Arduini, G. (CERN) ; Auchmann, B. (CERN) ; Bernauer, J. (MIT) ; Bogacz, A. (Jefferson Lab) ; Bordry, F. (CERN) ; Bousson, S. (Orsay, IPN) ; Bracco, C. (CERN) ; Brüning, O. (CERN) ; Calaga, R. (CERN) et al.
A conceptual design is presented of a novel ERL facility for the development and application of the energy recovery technique to linear electron accelerators in the multi-turn, large current and large energy regime. [...]
arXiv:1705.08783.
- 112 p.
Preprint

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2017-05-27
07:05
Intrabeam Scattering / Martini, Michel (CERN) ; Antoniou, Fanouria (CERN) ; Papaphilippou, Yannis (CERN)
2016 - 22 p. - Published in : ICFA Beam Dyn. Newsl.: 69 (2016) , pp. 38-59 Fulltext: PDF; External link: ICFA

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2017-05-27
07:05
Cryogenic Current Comparator for Storage Rings and Accelerators / Geithner, Rene (Helmholtz Inst., Jena ; Jena U.) ; Fernandes, Miguel (CERN ; Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Kurian, Febin (Darmstadt, GSI) ; Neubert, Ralf (Jena U.) ; Reeg, Hansjörg (Darmstadt, GSI) ; Schwickert, Marcus (Darmstadt, GSI) ; Seidel, Paul (Jena U.) ; Sieber, Thomas (Darmstadt, GSI) ; Stöhlker, Thomas (Darmstadt, GSI ; Helmholtz Inst., Jena ; Jena U.)
A Cryogenic Current Comparator (CCC) was developed for a non-destructive, highly sensitive monitoring of nA beams at the planned FAIR accelerator facility at GSI. The sensor part of the CCC was optimized for lowest possible noise-limited current resolution in combination with a high system bandwidth of about 200 kHz. [...]
2016 - 5 p. - Published in : 10.18429/JACoW-IBIC2015-MOPB013 Fulltext: PDF;
In : International Beam Instrumentation Conference , Melbourne, Australia, 13 - 17 Sep 2015, pp.MOPB013

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2017-05-26
15:29
Optimisation analysis and improvement of the effective beam sizes in Accelerator Test Facility 2 / Patecki, Marcin (Warsaw University of Technology (PL)) ; Tomàs, Rogelio (dir.) (CERN) ; Kisiel, Adam (dir.) (Warsaw University of Technology)
A lepton linear collider is considered by the accelerator and particle physics communities as an appropriate machine to perform high precision particle physics research in the TeV energy regime. There are two proposals for the future e+e- linear collider: the Compact Linear Collider (CLIC) and the International Linear Collider (ILC), both developed by two wide international collaborations with strong overlap between them. [...]
CERN-THESIS-2016-304.- Warsaw : Oficyna Wydawcznica Politechniki Warszawskiej, 2016-10-20 - 107 p. Fulltext: CERN-THESIS-2016-304_2 - PDF; CERN-THESIS-2016-304 - PDF; External link: Approve this document (restricted)

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2017-05-26
06:40
Mitigation of Collective Effects by Optics Optimization / Antoniou, F (CERN) ; Bartosik, H (CERN) ; Papaphilippou, Y (CERN)
2016 - 9 p. - Published in : ICFA Beam Dyn. Newsl.: 69 (2016) , pp. 276-284 Fulltext: PDF; External link: ICFA

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2017-05-26
06:40
Radiation Tolerance of Programmable Voltage Supply and High Galvanic Insulation Readout Electronics Used by CERN's LHC Cryogenics / Casas-Cubillos, Juan (CERN) ; Trikoupis, Nikolaos (CERN) ; Mekki, Julien (CERN)
Two new types of electronic cards have been tested in CERN's CHARM irradiation facility. The cards are a complete redesign of a programmable voltage power supply and a revision of a conditioning card used for resistance temperature sensors. [...]
2016 - 7 p. - Published in : IEEE Trans. Nucl. Sci. 63 (2016) 2022-2028

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2017-05-26
06:40
Early-stage fault isolation based on frequency response fitted by small-size samples for cryogenic cold compressors with active magnetic bearings / Arpaia, Pasquale (Naples U. ; CERN) ; De Vito, Luca (Sannio U. ; CERN) ; Girone, Mario (Sannio U.) ; Pezzetti, Marco (CERN)
A model-based method for fault detection and early-stage isolation, applicable when unfaulty conditions can be identified only by a reduced number of trials (even only one), is presented. The basic idea is to model analytically the uncertainty of the unfaulty frequency response and express the fault condition in terms of the noise power variance. [...]
2016 - Published in : Rev. Sci. Instrum. 87 (2016) 015108

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2017-05-26
06:40
Establishing a Consistent Basis for Beam Physics, Accelerator Magnet Design, and Magnetic Measurements / Russenschuck, Stephan (CERN)
The paper describes the recent efforts in establishing a consistent basis for beam physics simulations and machine requirements, magnet design and manufacture, and magnetic measurements. Magnetic field measurements serve for the quality assurance of the magnet production, and for validating numerical field simulation (FEM) tools and magnet design techniques. [...]
2016 - 6 p. - Published in : 10.18429/JACoW-ICAP2015-THBJI1 Fulltext: PDF;
In : Proceedings, 12th International Computational Accelerator Physics Conference, ICAP2015, Shanghai, China, 12 - 16 Oct 2015, pp.THBJI1

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2017-05-26
06:40
Beam Position Measurement System Design / Schmickler, Hermann (CERN)
For newcomers, but also with interesting details for oldies, all components of a modern beam position measurement system are reviewed and explained. From specifications, sensor types, analogue and digital electronics over calibration methods the whole field will be covered. [...]
2016 - 7 p. - Published in : 10.18429/JACoW-IBIC2015-THALA01 Fulltext: PDF;
In : International Beam Instrumentation Conference , Melbourne, Australia, 13 - 17 Sep 2015, pp.THALA01

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