CERN Accelerating 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.
Latest additions:
2019-04-24
16:52
Development and Implementation of Diagnostics for the CLEAR Facility / Guerin, Helene (Institut National Polytechnique de Grenoble (FR)) ; Farabolini, Wilfrid (Université Paris-Saclay (FR)) ; Sjobaek, Kyrre Ness (University of Oslo (NO)) ; Farabolini, Wilfrid (Université Paris-Saclay) (dir.) () ; Sjobaek, Kyrre Ness (University of Oslo) (dir.) ()
CLEAR, the CERN Linear Electron Accelerator for Research is a stand-alone user facility located at CERN. Providing a wide range of beam parameters that allows it to host a large spectrum of beam-based experiments, the machine also requires an important set of beam diagnostics. [...]
CERN-THESIS-2018-403.- 40 p. Fulltext: PDF; External link: Approve this document (restricted)

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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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2019-04-24
06:12
Analysis and Operational Feedback of the New High-Energy Beam Dump in the CERN SPS / Perillo-Marcone, Antonio (CERN) ; Calviani, Marco (CERN) ; Illan Fiastre, Ricardo (CERN) ; Rios Rodriguez, Paula (CERN) ; Romagnoli, Giulia (CERN)
The CERN Super Proton Synchrotron (SPS) high-energy internal dump (TIDVG) is used to intercept beam dumps from 10².2 to 450 GeV. An inspection in 2013 revealed significant beam induced damage to the aluminium absorbing block, resulting in operational limitations to minimize the risk of reproducing this phenomenon. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-WEPMG003 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPMG003

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2019-04-24
06:12
Engineering Design and Prototyping of the New LIU PS Internal Beam Dumps / Romagnoli, Giulia (CERN) ; Briz Monago, Jose (CERN) ; Butcher, Mark (CERN) ; Calviani, Marco (CERN) ; Cotte, Denis (CERN) ; Coutron, Yannick (CERN) ; Esala, Jaakko (CERN) ; Grenier-Boley, Edouard (CERN) ; Hansen, Jan (CERN) ; Huschauer, Alexander (CERN) et al.
For the LHC Injectors Upgrade (LIU) at CERN, the two Proton Synchrotron (PS) internal dumps are being re- designed and upgraded to cope with the future high intensity beams. The dumps are installed as active elements in the lattice, in straight sections between the main bending mag- nets. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-WEPMG001 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPMG001

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2019-04-24
06:12
Upgrade of the CMS Experimental Beam Vacuum During LS2 / Sestak, Josef (CERN) ; Bregliozzi, Giuseppe (CERN) ; Chiggiato, Paolo (CERN) ; Di Paolo, Chiara (CERN)
Starting from December 2018, the Large Hadron Collider (LHC) is going to interrupt its physic operations for more than two years within the period called second long shutdown (LS2). The Compact Muon Solenoid (CMS) experiment will undergo the biggest upgrade of its experimental beam vacuum system since the first operations in 2008. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-WEPMF090 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPMF090

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2019-04-24
06:12
LHC Injectors Upgrade Project: Outlook of the Modifications to the Super Proton Synchrotron (SPS) Vacuum System and Impact on the Operation of the Carbon-Coated Vacuum Chambers / Pasquino, Chiara (CERN) ; Bregliozzi, Giuseppe (CERN) ; Chiggiato, Paolo (CERN) ; Cruikshank, Paul (CERN) ; Farricker, Aaron (CERN) ; Harrison, Anthony (CERN) ; Perez Espinos, Jaime (CERN) ; Somoza, Jose (CERN) ; Taborelli, Mauro (CERN) ; Vollinger, Christine (CERN) et al.
Aiming at doubling the beam intensity and reducing the beam emittance [1], significant modifications of the LHC injector chain will take place during Long Shutdown 2 (LS2), starting from 2019. The LIU project (LHC Injector Upgrade) [2], in the specific, touches Linac4, the Proton Synchrotron Booster (PSB), the Proton Synchrotron (PS), the Super Proton Synchrotron (SPS). [...]
2018 - 3 p. - Published in : 10.18429/JACoW-IPAC2018-WEPMF087 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPMF087

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2019-04-23
16:12
Report on recommended accelerator magnet follow-up R&D: Milestone M5.5 / Gutleber, Johannes (CERN) ; Tommasini, Davide (CERN)
This milestone documents the gap analysis between findings of the study, towards a realization project: Portfolio of suggested R&D; topics related to the domain of superconducting accelerator magnets and associated technologies..
CERN-ACC-2019-0044.- Geneva : CERN, 2019 Fulltext: PDF;

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2019-04-23
14:00
An Overview of PyHEADTAIL / Oeftiger, Adrian (CERN)
The macro-particle tracking code PyHEADTAIL simulates collective beam dynamics [...]
CERN-ACC-NOTE-2019-0013.
- 2019. - 12 p.
Full text

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2019-04-19
09:36
Accurate and Efficient Tracking in Electromagnetic Quadrupoles / Pugnat, Thomas (IRFU, Saclay) ; Bonaventura, Luca (Milan, Polytech.) ; Dalena, Barbara (IRFU, Saclay) ; De Maria, Riccardo (CERN) ; Molson, James (CERN) ; Simona, Abele (Milan, Polytech.)
Accelerator physics needs advanced modeling and simulation techniques, in particular for beam stability studies. A deeper understanding of the effects of magnetic fields nonlinearities will greatly help in the improvement of future colliders design and performance. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-THPAK004 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPAK004

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2019-04-19
09:36
Impact of Superconducting Magnet Protection Equipment on the Circulating Beam in HL-LHC / Valette, Matthieu (CERN) ; Bortot, Lorenzo (CERN) ; Fernandez Navarro, Alejandro (CERN) ; Lindstrom, Bjorn (CERN) ; Mentink, Matthijs (CERN) ; Ravaioli, Emmanuele (CERN) ; Schmidt, Ruediger (CERN) ; Stubberud, Edvard (CERN) ; Verweij, Arjan (CERN) ; Wollmann, Daniel (CERN)
The new superconducting quadrupole and dipole magnets for the High Luminosity LHC (HL-LHC) will rely on quench heaters or Coupling-Loss Induced Quench (CLIQ) units or a combination of both to protect the magnet coils in case of a quench. After the detection of a quench, the quench heater power supplies will discharge currents of several hundreds of amperes into the quench heater strips glued to the coils, and the CLIQ units will discharge an oscillating current in the order of 1~kA directly into the coils. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-THPAF062 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPAF062

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