CERN Accélérateur de science

All CERN Accelerators documents

Announcement
This new collection aggregates CERN accelerator-related documents on CDS. It will continuously be enriched and improved in the near future.
Derniers ajouts:
2017-12-16
17:14
How do we program accelerators at CERN? Scheduling beams with the new AD central timing / Dworak, Andrzej (CERN) ; Bau, Jean-Claude (CERN)
The central timing (CT) is a system responsible for driving an accelerator behaviour. It allows operation teams to interactively select and schedule cycles. [...]
2017 - 6 p. - Published in : J. Phys. : Conf. Ser. 898 (2017) 032006 Fulltext: PDF;
In : 22nd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2016, San Francisco, Usa, 10 - 14 Oct 2016, pp.032006

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2017-12-12
14:53
System Theoretic Dependability Analysis of the LHC Superconducting Magnet Circuit Protection / Hugle, Dennis
Subject of the present work is the application of the methods STPA (System Theoretic Process Analysis) and CAST (Causal Analysis based on STAMP) to analyze the protection systems of the superconducting magnet circuit of the LHC at CERN, Geneva [...]
CERN-THESIS-2017-260 - 81 p.

Fulltext
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2017-12-08
11:44
LHC β*-reach MD: aperture measurements at small β* / Fuster Martinez, Nuria (CERN) ; Bruce, Roderik (CERN) ; Redaelli, Stefano (CERN)
During this MD, performed on the 25th of July 2017, we measured the LHC aperture at top energy for β*=30 cm using the Transverse Damper (ADT) blow-up method. [...]
CERN-ACC-NOTE-2017-0064.
- 2017. - 13 p.
Full text

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2017-12-07
09:53
Superconducting cable topology / Depond, J ; Leroy, D ; Oberli, L R
CERN-LHC-MMS-Internal-Note-97-09.
- 1997. - 12 p.
Full text

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2017-12-07
09:38
Mesures magnétiques des aimants à septum LEAR SM 11 et SM 12 / Boileau, B (CERN)
CERN-PS-BT-Note-82-10.
- 1982. - 15 p.
Full text

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2017-12-04
12:41
Vacuum Simulations in High Energy Accelerators and Distribution Properties of Continuous and Discrete Particle Motions / Aichinger, Ida
The underlying thesis on mathematical simulation methods in application and theory is structured into three parts [...]
CERN-THESIS-2017-252 - 159 p.

Fulltext
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2017-12-02
07:04
The technical challenges of the Large Hadron Collider / Collier, P (CERN)
The Large Hadron Collider (LHC) is a 27 km circumference hadron collider, built at CERN to explore the energy frontier of particle physics. Approved in 1994, it was commissioned and began operation for data taking in 2009. [...]
2014 - 14 p. - Published in : Philos. Trans. R. Soc. Lond. A 373 (2014) 20140044 Fulltext: PDF; External link: Fulltext

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2017-12-02
07:03
Effect of double frequency heating on the lead afterglow beam currents of an electron cyclotron resonance ion source / Toivanen, V (GANIL) ; Bellodi, G (CERN) ; Küchler, D (CERN) ; Wenander, F (CERN) ; Tarvainen, O (Jyvaskyla U.)
The effect of double frequency heating on the performance of the CERN GTS-LHC 14.5 GHz ElectronCyclotron Resonance (ECR) ion source in afterglow mode is reported. The source of the secondary microwave frequency was operated both in pulsed and continuous wave (CW) modes within the range of 12–18 GHz. [...]
2017 - 12 p. - Published in : Phys. Rev. Accel. Beams 20 (2017) 103402 Fulltext: PDF;

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2017-12-02
07:03
Coherent Beam-Beam Instability in Collisions with a Large Crossing Angle / Ohmi, K (KEK, Tsukuba) ; Kuroo, N (KEK, Tsukuba ; Tsukuba U. (main)) ; Oide, K (KEK, Tsukuba ; CERN) ; Zhou, D (KEK, Tsukuba ; CERN) ; Zimmermann, F (CERN)
In recent years the “crab-waist collision” scheme [P. Raimondi, Proceedings of 2nd SuperB Workshop, Frascati, 2006.; M. [...]
2017 - 5 p. - Published in : Phys. Rev. Lett. 119 (2017) 134801 Fulltext: PDF;

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2017-12-02
07:03
LHC cryogenics – new experience of run with increased beam energy and intensity / Brodzinski, K (CERN) ; Claudet, S (CERN) ; Delikaris, D (CERN) ; Delprat, L (CERN) ; Ferlin, G (CERN) ; Rogez, E (CERN) ; Tavian, L (CERN)
After the LHC first long shut down (LS1), when necessary consolidation and maintenance activities were performed on different technical systems, the Large Hadron Collider was progressively cooled down from ambient to operation temperatures from May of 2014. Prior to physics run with increased beam energy to 6.5 TeV/beam, increased beam intensity and modified beam injection scheme, several qualifications and tests affecting cryogenic system have been performed to ensure stable run of the accelerator. [...]
2017 - 9 p. - Published in : IOP Conf. Ser. Mater. Sci. Eng. 171 (2017) 012156 Fulltext: PDF;

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