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:
2019-07-24
04:13
Simple model for the RF field amplitude dependence of the trapped flux sensitivity in superconducting RF cavities / Calatroni, Sergio (CERN) ; Vaglio, Ruggero (INFN, Naples ; Naples U. ; CNR-SPIN, Naples)
The improvement of the performance of RF superconducting cavities has recently motivated a considerable research effort in order to elucidate the effect of trapped magnetic flux on the surface resistance $R_{s}$. In this paper we show that by introducing a non-linear pinning force in the Gittleman-Rosenblum equations for the RF power dissipation due to a trapped magnetic flux in a superconductor, we can empirically describe the linear dependence on the RF field amplitude $B_{rf0}$ of the additional surface resistance $R_{fl}$. [...]
arXiv:1810.00540.- 2019-02-05 - 7 p. - Published in : Phys. Rev. Accel. Beams: 22 (2019) , pp. 022001 Fulltext: PDF; Fulltext from Publisher: PDF;

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2019-07-24
04:13
Determination of the Bardeen–Cooper–Schrieffer material parameters of the HIE-ISOLDE superconducting resonator / Miyazaki, A. (CERN ; Manchester U.) ; Venturini Delsolaro, W. (CERN)
Superconducting material parameters of the Nb film coatings on the quarter-wave resonator for the HIE-ISOLDE project were studied by fitting experimental results with the Bardeen–Cooper–Schrieffer Mattis–Bardeen (BCS-MB) theory. We pointed out a strong correlation among fitted estimators of material parameters in the BCS-MB theory, and used a procedure to reduce the uncertainty by merging two χ 2 distributions of the surface resistance and effective penetration depth. [...]
arXiv:1806.04443.- 2019-01-03 - 11 p. - Published in : Supercond. Sci. Technol. 32 (2019) 025002 Fulltext: PDF;

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2019-07-23
13:23
Nb3Sn accelerator magnets : designs, technologies and performance / Schoerling, Daniel (ed.) ; Zlobin, Alexander V (ed.)
Cham : Springer, 2019. - 450 p.
Purchase it for me! - CERN library copies
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2019-07-23
06:56
Two-Layer 16 Tesla Cosθ Dipole Design for the FCC / Holik, Eddie Frank (Angelo State U. ; Fermilab) ; Ambrosio, Giorgio (Fermilab) ; Apollinari, Giorgio (Fermilab) /LARP
The Future Circular Collider or FCC is a study aimed at exploring the possibility to reach 100 TeV total collision energy which would require 16 tesla dipoles. Upon the conclusion of the High Luminosity Upgrade, the US LHC Accelerator Upgrade Pro-ject in collaboration with CERN will have extensive Nb3Sn magnet fabrication experience. [...]
FERMILAB-PUB-18-042-TD.- 2018 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4006604 Fulltext: PDF; External link: FERMILABPUB

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2019-07-23
04:03
First demonstration of ionization cooling by the Muon Ionization Cooling Experiment / MICE Collaboration
High-brightness muon beams of energy comparable to those produced by state-of-the-art electron, proton and ion accelerators have yet to be realised. [...]
arXiv:1907.08562 ; RAL-P-2019-003.
- 19 p.
Fulltext

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2019-07-19
14:24
Génération de fontions analogiques du temps par ordinateur / Bosser, Jacques
CERN-MPS-CO-71-4.
- 1971. - 152 p.
Full text

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2019-07-19
13:59
LHC MD 3165: RF power limitations at flat bottom / Medina Medrano, Luis Eduardo (CERN) ; Argyropoulos, Theodoros (CERN) ; Baudrenghien, Philippe (CERN) ; Brunner, Olivier (CERN) ; Calaga, Rama (CERN) ; Karpov, Ivan (CERN) ; Chapochnikova, Elena (CERN) ; Peauger, Franck (CERN) ; Timko, Helga (CERN) ; Turaj, Katarzyna (CERN)
This note describes the power measurements at flat bottom with the half-detuning beam-loading scheme in the LHC performed with the aim to provide the basis for the extrapolation of the present RF power margins for Run 3 and the High-Luminosity LHC (HL-LHC). [...]
CERN-ACC-NOTE-2019-0030.
- 2019.
Full text

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2019-07-18
18:17
Implementation and benchmarking of the Furman-Pivi model for Secondary Electron Emission in the PyECLOUD simulation code / Wulff, Eric (Lund University (SE)) ; Iadarola, Giovanni (CERN)
The Furman-Pivi model for the secondary electron emission process has been implemented in the PyECLOUD simulation code and can now be used in alternative to the ECLOUD model, developed for the LHC beam screen surface at the time of the LHC design. [...]
CERN-ACC-NOTE-2019-0029.
- 2019. - 30 p.
Full text

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2019-07-17
12:06
Numerical and experimental studies to model and reduce the impedance in the CERN Super Proton Synchrotron (SPS) / Beck, Mario
Intensity-driven beam instabilities are studied in simulations with a refined impedance model and in experimental measurements for this thesis. The High Luminosity Large Hadron Collider (HL-LHC) project at CERN aims for an increase in the integrated luminosity in the Large Hadron Collider (LHC). [...]
CERN-THESIS-2018-433.- 181 p. Fulltext: PDF; External link: Approve this document (restricted)

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2019-07-17
09:29
Q drift during debunching time / Meer, S van der
CERN-SPS-Tech-Note-76-077-APS ; SPS-PS-Int-Note-76-77.
- 1976. - 5 p.
Full text

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