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All CERN Accelerators documents

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This new collection aggregates CERN accelerator-related documents on CDS. It will continuously be enriched and improved in the near future.
Derniers ajouts:
2017-08-23
11:39
Experimental results of crystal-assisted slow extraction at the SPS / Fraser, M.A. (CERN) ; Addesa, F. (INFN, Rome ; Rome U.) ; Cavoto, G. (INFN, Rome ; Rome U.) ; Galluccio, F. (INFN, Naples) ; Gilardoni, S. (CERN) ; Goddard, B. (CERN) ; Iacoangeli, F. (INFN, Rome ; Rome U.) ; Kain, V. (CERN) ; Mirarchi, D. (CERN) ; Montesano, S. (CERN) et al.
The possibility of extracting highly energetic particles from the Super Proton Synchrotron (SPS) by means of silicon bent crystals has been explored since the 1990's. [...]
arXiv:1707.05151.
- 4 p.
Preprint

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2017-08-22
13:59
Superconducting high current magnetic Circuit: Design and Parameter Estimation of a Simulation Model / Kiefer, Alexander
The Large Hadron Collider (LHC) utilizes superconducting main dipole magnets that bend the trajectory of the particle beams [...]
CERN-THESIS-2017-120 - 91 p.

Fulltext
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2017-08-22
10:01
Determination of AC Characteristics of Superconducting Dipole Magnets in the Large Hadron Collider Based on Experimental Results and Simulations / Ambjørndalen, Sara
The Large Hadron Collider (LHC) utilizes high-field superconducting Main Dipole Magnets that bend the trajectory of the beam [...]
CERN-THESIS-2017-119 - 158 p.

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2017-08-22
06:23
Final implementation, commissioning, and performance of embedded collimator beam position monitors in the Large Hadron Collider / Valentino, Gianluca (CERN ; Malta U.) ; Baud, Guillaume (CERN) ; Bruce, Roderik (CERN) ; Gasior, Marek (CERN) ; Mereghetti, Alessio (CERN) ; Mirarchi, Daniele (CERN) ; Olexa, Jakub (CERN) ; Redaelli, Stefano (CERN) ; Salvachua, Belen (CERN) ; Valloni, Alessandra (CERN) et al.
During Long Shutdown 1, 18 Large Hadron Collider (LHC) collimators were replaced with a new design, in which beam position monitor (BPM) pick-up buttons are embedded in the collimator jaws. The BPMs provide a direct measurement of the beam orbit at the collimators, and therefore can be used to align the collimators more quickly than using the standard technique which relies on feedback from beam losses. [...]
2017 - 13 p. - Published in : Phys. Rev. Accel. Beams 20 (2017) 081002 Fulltext: PDF;

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2017-08-22
06:23
rf measurements and tuning of the 750 MHz radio frequency quadrupole / Koubek, Benjamin (CERN) ; Grudiev, Alexej (CERN) ; Timmins, Marc (CERN)
In the framework of the program on medical applications a compact 750 MHz RFQ has been designed and built to be used as an injector for a hadron therapy linac. This RFQ was designed to accelerate protons to an energy of 5 MeV within only 2 m length. [...]
2017 - 12 p. - Published in : Phys. Rev. Accel. Beams 20 (2017) 080102 Fulltext: PDF;

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2017-08-22
06:23
Experimental investigation of plasma impedance in Linac4 $H^−$ source / Nishida, K (Keio U.) ; Mattei, S (CERN) ; Briefi, S (Augsburg U.) ; Butterworth, A (CERN) ; Grudiev, A (CERN) ; Haase, M (CERN) ; Jones, A (CERN) ; Paoluzzi, M M (CERN) ; Voulgarakis, G (CERN) ; Hatayama, A (Keio U.) et al.
CERN ’s new particle accelerator Linac4 is part of the upgrade of the LHC accelerator chain. Linac4 is required to deliver 160 MeV H− beam to improve the beam brightness and luminosity in the Large Hadron Collider (LHC). [...]
2017 - 9 p. - Published in : AIP Conf. Proc. 1869 (2017) 030038

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2017-08-22
06:23
Improving the precision of linear optics measurements based on turn-by-turn beam position monitor data after a pulsed excitation in lepton storage rings / Malina, L (Oslo U. ; CERN) ; Coello de Portugal, J (CERN) ; Persson, T (CERN) ; Skowroński, P  K (CERN) ; Tomás, R (CERN) ; Franchi, A (ESRF, Grenoble) ; Liuzzo, S (ESRF, Grenoble)
Beam optics control is of critical importance for machine performance and protection. Nowadays, turn-by-turn (TbT) beam position monitor (BPM) data are increasingly exploited as they allow for fast and simultaneous measurement of various optics quantities. [...]
2017 - 8 p. - Published in : Phys. Rev. Accel. Beams 20 (2017) 082802 Fulltext: PDF;

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2017-08-22
06:22
New solution for the high accuracy alignment of accelerator components / Caiazza, D (CERN) ; Catalan Lasheras, N (CERN) ; Mainaud Durand, H (CERN) ; Modena, M (CERN) ; Sanz, C (CERN) ; Tshilumba, D (CERN) ; Vlachakis, V (CERN) ; Wendt, M (CERN) ; Zorzetti, S (CERN)
Several state-of-the-art metrology measurement methods have been investigated and combined for a fiducialization of accelerator components in the micrometric regime. [...]
2017. - 14 p.
Fulltext

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2017-08-22
06:22
Equalizer design techniques for dispersive cables with application to the SPS wideband kicker / Platt, Jason (SLAC) ; Hofle, Wolfgang (CERN) ; Pollock, Kristin (SLAC) ; Fox, John (SLAC)
A wide-band vertical instability feedback control system in development at CERN requires 1–1.5 GHz of bandwidth for the entire processing chain, from the beam pickups through the feedback signal digital processing to the back-end power amplifiers and kicker structures. Dispersive effects in cables, amplifiers, pickup and kicker elements can result in distortions in the time domain signal as it proceeds through the processing system, and deviations from linear phase response reduce the allowable bandwidth for the closed-loop feedback system. [...]
2017 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 868 (2017) 93-97

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2017-08-22
06:22
The ISOLDE facility / Catherall, R (CERN) ; Andreazza, W (CERN) ; Breitenfeldt, M (CERN) ; Dorsival, A (CERN) ; Focker, G J (CERN) ; Gharsa, T P (CERN) ; T J, Giles (CERN) ; Grenard, J L (CERN) ; Locci, F (CERN) ; Martins, P (CERN) et al.
The ISOLDE facility has undergone numerous changes over the last 17 years driven by both the physics and technical community with a common goal to improve on beam variety, beam quality and safety. Improvements have been made in civil engineering and operational equipment while continuing developments aim to ensure operations following a potential increase in primary beam intensity and energy. [...]
2017 - 18 p. - Published in : J. Phys. G 44 (2017) 094002

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