CERN Accelerating science

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2019-05-17
16:29
Magnetic Waveform Measurements of the PSB Extraction Kicker KFA14L1 and Future LIU Emittance Growth Estimates / Fraser, Matthew Alexander (CERN) ; Albright, Simon (CERN) ; Antoniou, Fanouria (CERN) ; Di Giovanni, Gian Piero (CERN) ; Dutheil, Yann (CERN) ; Forte, Vincenzo ; Huschauer, Alexander (CERN) ; Roncarolo, Federico (CERN)
Understanding the different sources of emittance dilution along the LHC injector chain is an import-ant part of providing the high brightness proton beams demanded by the LHC Injectors Upgrade (LIU) project. [...]
CERN-ACC-NOTE-2019-0019.
- 2019.
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2019-04-30
15:22
Longitudinal Beam Profile Acquisition with Bursts of Triggers in the CERN Proton Synchrotron / Kozlowski, Pawel
CERN (European Organization for Nuclear Research) is upgrading its infrastructure of accelerators [...]
CERN-THESIS-2019-033 - 165 p.

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2019-04-30
10:05
Characterization and optimization of a versatile laser and electron-impact ion source for radioactive ion beam production at ISOLDE and MEDICIS / Martinez Palenzuela, Yisel
This work describes the operating regime of the newly commissioned CERN-MEDICIS facility and reports on the first extracted ion beams [...]
CERN-THESIS-2019-032 - Leuven, Belgium : KU Leuven, 2019-04-26. - 144 p.

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2019-04-26
08:33
Operation of a Cryogenic Current Comparator with Nanoampere Resolution for Continuous Beam Intensity Measurements in the Antiproton Decelerator at CERN / Fernandes, Miguel (CERN ; U. Liverpool (main)) ; Alves, Diogo (CERN) ; Koettig, Torsten (CERN) ; Lees, Andrew (CERN) ; Schwickert, Marcus (Darmstadt, GSI) ; Stöhlker, Thomas (Darmstadt, GSI ; U. Jena (main)) ; Tan, Jocelyn (CERN) ; Welsch, Carsten (U. Liverpool (main))
Low-intensity charged particle beams are particularly challenging for non-perturbative beam diagnostics due to the small amplitude of induced electromagnetic fields. The Antiproton Decelerator (AD) and Extra Low ENergy Antiproton (ELENA) rings at CERN decelerate beams containing 10⁷ antiprotons. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-THPML044 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPML044

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2019-04-25
06:31
Eradication of Mercury Ignitron from the 400 kA Magnetic Horn Pulse Generator for CERN Antiproton Decelerator / Namora, Vasco (CERN) ; Calviani, Marco (CERN) ; Ducimetière, Laurent (CERN) ; Faure, Patrick (CERN) ; Fernandez, Luis (CERN) ; Grawer, Gregor (CERN) ; Senaj, Viliam (CERN)
The CERN Antiproton Decelerator (AD) produces low-energy antiprotons for studies of antimatter. A 26 GeV proton beam impacts the AD production target which produces secondary particles including antiprotons. [...]
2018 - 3 p. - Published in : 10.18429/JACoW-IPAC2018-WEPMF086 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPMF086

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2019-04-24
09:32
Beam Characterization of Linac 4's ISO3 / Noll, Daniel (CERN) ; Lallement, Jean-Baptiste (CERN) ; Lombardi, Alessandra (CERN)
After the second LHC long shutdown, Linac4 will become the new injector for proton beams to CERN's chain of accelerators [...]
CERN-ACC-NOTE-2019-0014.
- 2019.

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2019-04-16
09:15
Design of the New Proton Synchrotron Booster Absorber Scraper (PSBAS) in the Framework of the Large Hadron Collider Injection Upgrade (LIU) Project / Teofili, Lorenzo (U. Rome La Sapienza (main) ; CERN ; INFN, Rome) ; Briz Monago, Jose (CERN) ; Calviani, Marco (CERN) ; Chritin, Nicolas (CERN) ; Esala, Jaakko (CERN) ; Gilardoni, Simone (CERN) ; Lamas Garcia, Inigo (CERN) ; Maestre, Jorge (CERN) ; Migliorati, Mauro (U. Rome La Sapienza (main) ; CERN ; INFN, Rome) ; Polzin, Tobias (CERN) et al.
The Large Hadron Collider (LHC) Injector Upgrade (LIU) Project at CERN calls for increasing beam intensity for the LHC accelerator chain. Some machine components will not survive the new beam characteristics and need to be rebuilt for the new challenging scenario. [...]
2018 - 4 p. - Published in : (2018) , pp. THPAK091
- Published in : J. Phys. : Conf. Ser.: 1067 (2018) , no. 8, pp. 082027 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPAK091

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2019-04-12
06:24
Dosimetry Mapping of Mixed-Field Radiation Environment Through Combined Distributed Optical Fiber Sensing and FLUKA Simulation / Di Francesca, Diego (CERN) ; Infantino, Angelo (CERN) ; Li Vecchi, Gaetano (CERN ; Jean Monnet U. ; Lab. Hubert Curien, St. Etienne) ; Girard, Sylvain (Jean Monnet U. ; Lab. Hubert Curien, St. Etienne) ; Alessi, Antonino (Jean Monnet U. ; Lab. Hubert Curien, St. Etienne) ; Kadi, Yacine (CERN) ; Brugger, Markus (CERN)
Distributed optical fiber (OF) radiation sensing is a technique recently adopted at CERN for the monitoring of radiation dose levels in the proton synchrotron (PS) booster and in the PS. In this paper, we present the progress made on our previous work by benchmarking the rich information contained in the spatially distributed OF dose measurement with the radiation levels simulated with the FLUKA Monte Carlo code. [...]
2018 - 7 p. - Published in : IEEE Trans. Nucl. Sci. 66 (2019) 299-305

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2019-04-10
08:58
Beam Optics Simulations and Thermal Shielding for the AEGIS Antihydrogen Experiment / Lehner, Sebastian
The AEGIS (Antimatter Experiments: Gravity, Interferometry, Spectroscopy) experi-ment at CERN’s Antiproton Decelerator aims at a direct measurement of the gravita-tional interaction of antihydrogen [...]
CERN-THESIS-2014-465 -

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2019-04-06
10:21
3D Tracking Methods in a GEANT4 Environment Through Electrostatic Beamlines / Hunt, James (U. Liverpool (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Resta-López, Javier (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Rodin, Volodymyr (U. Liverpool (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Veglia, Bianca (U. Liverpool (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Welsch, Carsten (U. Liverpool (main) ; Cockcroft Inst. Accel. Sci. Tech.)
Due to the relatively infrequent use of electrostatic beamline elements compared with their magnetic counterparts, there are few particle tracking codes which allow for the straightforward implementation of such beamlines. In this contribution, we present 3D tracking methods for beamlines containing electrostatic elements utilising a modified version of the Geant4 based tracking code 'G4beamline'. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-THPAF016 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPAF016

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