CERN Accelerating science

All CERN Accelerators documents

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2018-04-24
10:06
An improved simulation routine for modelling coherent high-energy proton interactions with bent crystals / Forcher, Francesco
The planes in crystalline solids can constrain the directions that charged particles take as they pass through [...]
CERN-THESIS-2017-358 - 30 p.

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2018-04-24
06:50
Thallium-based high-temperature superconductors for beam impedance mitigation in the Future Circular Collider / Calatroni, S (CERN) ; Bellingeri, E (CNR-SPIN, Naples) ; Ferdeghini, C (CNR-SPIN, Naples) ; Putti, M (CNR-SPIN, Naples ; Genoa U.) ; Vaglio, R (CNR-SPIN, Naples ; INFN, Naples ; Naples U.) ; Baumgartner, T (Vienna, Tech. U., Atominst.) ; Eisterer, M (Vienna, Tech. U., Atominst.)
CERN has recently started a design study for a possible next-generation high-energy hadron–hadron collider (Future Circular Collider—FCC-hh). The FCC-hh study calls for an unprecedented center-of-mass collision energy of 100 TeV, achievable by colliding counter-rotating proton beams with an energy of 50 TeV steered in a 100 km circumference tunnel by superconducting magnets which produce a dipole field of 16 T. [...]
2017 - 7 p. - Published in : Supercond. Sci. Technol. 30 (2017) 075002 Fulltext: PDF;

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2018-04-24
06:50
High-current low-voltage power supplies for superconducting magnets / Coulinge, Emilien (CERN) ; Burnet, Jean-Paul (CERN) ; Dujic, Drazen (Ecole Polytechnique, Lausanne)
In a synchrotron accelerator, the beam trajectory is controlled thanks to magnets, where superconducting technology allows to generate very strong magnetic fields. This was a key element in the construction of the Large Hadron Collider (LHC), the world largest accelerator. [...]
2017 - 6 p. - Published in : 10.1109/PEE.2017.8171666
In : 19th International Symposium on Power Electronics, Novi Sad, Serbia, 19 - 21 Oct 2017, pp.1-6

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2018-04-24
06:50
Effect of Proton Bunch Parameter Variation on AWAKE / Savard, Nicolas (U. Victoria (main)) ; Muggli, Patric (Munich, Max Planck Inst.) ; Vieira, Jorge (Lisbon, IST)
In AWAKE, long proton bunches propagate through a plasma, generating wakefields through the self-modulation instability (SMI). The phase velocity of these wakefields changes during the first 4 m of propagation and growth of the SMI, after which it stabilizes at the proton bunch velocity. [...]
2017 - 3 p. - Published in : 10.18429/JACoW-NAPAC2016-WEPOA01 Fulltext: PDF;
In : 2016 North American Particle Accelerator Conference, Chicago, IL, USA, 9 - 14 Oct 2016, pp.WEPOA01

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2018-04-24
06:50
Characterization of the PTW 34031 ionization chamber (PMI) at RCNP with high energy neutrons ranging from 100 – 392 MeV / Theis, C (CERN) ; Carbonez, P (CERN) ; Feldbaumer, E (CERN) ; Forkel-Wirth, D (CERN) ; Jaegerhofer, L (CERN) ; Pangallo, M (CERN) ; Perrin, D (CERN) ; Urscheler, C (CERN) ; Roesler, S (CERN) ; H Vincke (CERN) et al.
Radiation monitoring at high energy proton accelerators poses a considerable challenge due to the complexity of the encountered stray radiation fields. These environments comprise a wide variety of different particle types and span from fractions of electron-volts up to several terra electron-volts. [...]
2017 - 5 p. - Published in : EPJ Web Conf. 153 (2017) 08018 Fulltext: PDF;
In : 13th International Conference on Radiation Shielding & 19th Topical Meeting of the Radiation Protection & Shielding Division of the American Nuclear Society 2016, Paris, France, 3 - 6 Oct 2016, pp.08018

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2018-04-23
15:00
Scaled Prototype of a Tantalum Target Embedded in Expanded Graphite for Antiproton Production: Design, Manufacturing and Testing under Proton Beam Impacts at HiRadMat / Torregrosa Martin, Claudio (CERN ; Valencia, Polytechnic U.) ; Calviani, Marco (CERN) ; Perillo-Marcone, Antonio (CERN) ; Ferriere, Romain (CERN) ; Solieri, Nicola (CERN) ; Butcher, Mark (CERN) ; Grec, Lucian-Mircea (CERN) ; Canhoto Espadanal, Joao (CERN)
This study presents a further step within the ongoing R&D activities for the redesign of the CERN's Antiproton Decelerator Production Target (AD-Target). [...]
arXiv:1803.09776.
- 11 p.
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2018-04-23
15:00
A 1 GHz RF Trigger Unit implemented in FPGA logic / Barrientos, D. (CERN) ; Molendijk, J. (CERN) ; Hagmann, G. (CERN)
Applications of Trigger Units (TU) can be found in almost all accelerators at CERN. [...]
LLRF2017/P-65 ; arXiv:1803.09041 ; LLRF2017-P-65.
- 3 p.
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2018-04-23
09:05
Proposal for a Simplified Management of Accelerator Settings in the Injector Complex Based on Automatic Setting Propagation / Damerau, Heiko (CERN)
With the increasing number of beams with different characteristics the number of controls settings to pilot the accelerator hardware has grown proportionally. [...]
CERN-ACC-NOTE-2018-0037.
- 2018. - 6 p.

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2018-04-21
06:12
Realization and First Test Results of the EuCARD 5.4-T REBCO Dipole Magnet / Durante, Maria ; Borgnolutti, Franck ; Bouziat, Denis ; Fazilleau, Philippe ; Gheller, Jean-Marc ; Molinie, Frederic ; De Antoni, Philippe
Abstract: A high-temperature critical superconductor (HTS) dipole magnet relying on 12-mm REBCO tapes was built at CEA Saclay in 2016. Magnet studies had been started in the framework of the EuCARD High Field Magnet program and continued within a collaboration agreement between CEA-Saclay and CERN. [...]
2018 - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4203805
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4203805

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2018-04-21
06:12
Thermal behaviour of DC power inductor of 600 kW power supply for particle accelerators / Matejevic, D (CERN) ; Josifovic, I (CERN) ; Papastergiou, K (CERN) ; Le Godec, G (CERN) ; Burnet, J P (CERN)
The paper investigates a thermal behaviour of a DC inductor deployed in a 600 kW power converter for particle accelerators. The inductor is manufactured from electrical steel core and two magnetically coupled windings with integrated air ducts for enhanced air circulation. [...]
2017 - 10 p. - Published in : 10.23919/EPE17ECCEEurope.2017.8099279
In : 19th European Conference on Power Electronics and Applications, Warsaw, Poland, 11 - 14 Sep 2017, pp.8099279

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