CERN Accelerating science

All CERN Accelerators documents

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2018-07-13
04:46
Description of the luminosity evolution for the CERN LHC including dynamic aperture effects. Part I: the model / Giovannozzi, M. (CERN) ; Van Der Veken, F.F. (CERN)
In recent years, modelling the evolution of beam losses in circular proton machines starting from the evolution of the dynamic aperture has been the focus of intense research. [...]
arXiv:1806.03058.
- 31 p.
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2018-07-13
04:46
Description of the luminosity evolution for the CERN LHC including dynamic aperture effects. Part II: application to Run 1 data / Giovannozzi, M. (CERN) ; Van der Veken, Frederik F. (CERN)
In recent years, modelling the evolution of beam losses in circular proton machines starting from the concept of dynamic aperture its time evolution has been the focus of intense research. [...]
arXiv:1806.03059.
- 25 p.
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2018-07-10
06:07
Future Circular Collider Study (FCC) / Golling, Tobias (Geneva U.)
The status and plans for the Future Circular Collider (FCC) design study are presented. The ultimate goal, and the emphasis for the infrastructure, is a proton-proton machine operating at a center-of-mass energy of 100 TeV in a 100-km ring in the Geneva area, called FCC-hh. [...]
Gatchina : Kurchatov Institute, 2016 - 6 p. - Published in : , pp. 559-564 Fulltext: PDF;
In : 3rd Annual Large Hadron Collider Physics Conference, St. Petersburg, Russia, 31 Aug - 5 Sep 2015, pp.559-564

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2018-07-08
07:09
Luminosity measurement in 1994 with the STIC detector / Camporesi, T ; Obratzsov, V ; Paganoni, M ; Terranova, F ; Bigi, M ; Gouz, I ; Migliore, E ; Tome, B
DELPHI-97-8 PHYS 667.- 1997 Fulltext: PDF; External link: Fulltext

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2018-07-08
04:19
N-doped surfaces of superconducting niobium cavities as a disordered composite / Weingarten, Wolfgang (CERN)
The Q-factor of superconducting accelerating cavities can be substantially improved by a special heat treatment under N2 atmosphere (N-doping). Recent experiments at Fermi National Laboratory investigated the dependence of Q on the RF frequency and showed, unexpectedly, both an increase and a decrease with the RF field amplitude. [...]
arXiv:1708.02841.- 2018-05-15 - 4 p. - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 3500504 Preprint: PDF;

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2018-07-07
04:56
A Method for Greatly Reduced Edge Effects and Crosstalk in CCT Magnets / Koratzinos, M. ; Kirby, Glyn (CERN) ; Van Nugteren, Jeroen (CERN) ; Bielert, Erwin R. (CERN)
Iron-free CCT magnet design offers many advantages, one being the excellent field quality and the absence of multipole components. However, edge effects are present, although they tend to integrate out over the length of the magnet. [...]
WED-AF-PO3.01; arXiv:1709.08444.- 2017-09-25 - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4007305 Preprint: PDF;
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4007305

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2018-07-06
07:12
The performance of the DELPHI SAT Tracker during 1991 and its contribution to the absolute luminosity measurement / Bugge, L ; Buran, T ; Read, A L ; Wilhelmsen, E
DELPHI-94-9 PHYS 354.- 1994

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2018-07-06
07:11
FEMC Luminosity Measurement / Checchia, P ; Gasparini, U ; Verlato, M
DELPHI-90-50 PHYS 74.- 1990

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2018-07-05
14:26
Study of the Damage Mechanisms and Limits of Superconducting Magnet Components due to Beam Impact / Raginel, Vivien
The energy stored in the particle beams of an accelerator such as CERNs Large Hadron Collider (LHC) is substantial and requires a complex machine protection system to protect the equipment from damage [...]
CERN-THESIS-2018-090 - 174 p.

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2018-07-04
04:15
Po-production in lead: A benchmark between Geant4, FLUKA and MCNPX / Ferrari, Alfredo (CERN) ; Kiselev, Daniela (PSI, Villigen) ; Koi, Tatsumi (SLAC) ; Wohlmuther, Michael (PSI, Villigen) ; Davide, Jean-Christophe (Saclay)
On the last SATIF a comparison between the measured activities of the polonium isotopes Po-208, Po-209 and Po-210 and the simulated results using MCNPX2.7.0 was presented. [...]
arXiv:1806.03732.
- 15 p.
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