CERN Accelerating science

SPS and CNGS

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2014-09-12
16:45
Upgrades of the CERN PS Booster Ejection Lines / Bartmann, W ; Abelleira, JL ; Hanke, K ; Kowalska, M
The PS Booster extraction energy will be augmented from 1.4 to 2 GeV to reduce intensity limits due to space charge at the PS proton injection. [...]
CERN-ACC-2014-0202.
- 2014. - 3 p.

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2014-09-10
15:28
Longitudinal Impedance of the SPS Pumping Ports / Ghini, Jonas (CERN)
This summer project has aimed to characterise and understand parts of the impedance in the Super Proton Synchrotron, as the machine suffers from longitudinal instability issues; bunch lengthening occurs for large bunch luminosities, as required by the upgraded Large Hadron Collider. [...]
CERN-STUDENTS-Note-2014-187.
- 2014.
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2014-09-10
09:48
Feed Forward Orbit Correction in the CLIC Ring to Main LINAC Transfer lines / Apsimon, R ; Latina, A ; Schulte, D ; Uythoven, J
The emittance growth in the betatron collimation system of the 27 km long transfer lines between the CLIC damping rings and the main LINAC depends strongly on the transverse orbit jitter. [...]
CERN-ACC-2014-0201.
- 2014. - 4 p.

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2014-09-09
16:12
AWAKE: Advanced Proton Driven Plasma Wakefield Acceleration Experiment at CERN / Gschwendtner, E
Plasma wakefield acceleration is a promising alternative reaching accelerating fields a magnitude of up to 3 higher (GV/m) when compared to conventional RF acceleration. [...]
CERN-ACC-2014-0198.
- 2014. - 7 p.
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2014-09-05
16:33
Design of the Beam Transfer Line Magnets for HIE-ISOLDe / Bauche, J (CERN) ; Aloev, A (CERN)
This paper describes the design of the beam transfer line magnets of the HIE-ISOLDE facility. [...]
CERN-ACC-2014-0194.
- 2014. - 3 p.
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2014-08-21
17:18
Investigation of Coupling during the Non-Local Fast Extraction in the SPS / Alekou, A ; Bartosik, H ; Papaphilippou, Y
The CENF (CERN Neutrino Facility) requires a high-intensity and high-energy beam (100 GeV) to be extracted in only one machine revolution from the Long Straight Section 2 (LSS2) of the SPS. [...]
CERN-ACC-NOTE-2014-0060.
- 2014. - 11 p.
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2014-08-12
15:13
Theoretical Analysis of Metamaterial Insertions for Resistive-Wall Beam-Coupling Impedance Reduction / Danisi, A (CERN) ; Zannini, C (CERN) ; Masi, A (CERN) ; Losito, R (CERN) ; Salvant, B (CERN)
Resistive-wall impedance usually constitutes a significant percentage of the total beam-coupling impedance budget of an accelerator. Reduction techniques often entail high electrical-conductivity coatings. [...]
CERN-ACC-2014-0191.- Geneva : CERN, 2014 - 4 p. Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.1695-1697

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2014-08-12
12:02
Experiments of Laser Pointing Stability in Air and in Vacuum to Validate Micrometric Positioning Sensor / Stern, G (CERN ; ETH, Zurich (main)) ; Mainaud-Durand, H (CERN) ; Piedigrossi, D (CERN) ; Sandomierski, J (CERN) ; Sosin, M (CERN) ; Geiger, A (ETH, Zurich (main)) ; Guillaume, S (ETH, Zurich (main))
Aligning accelerator components over 200m with 10 μm accuracy is a challenging task within the Compact Linear Collider (CLIC) study. A solution based on laser beam in vacuum as straight line reference is proposed. [...]
CERN-ACC-2014-0188.- Geneva : CERN, 2014 - 4 p. Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.1793-1795

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2014-08-07
16:16
High Power Molten Targets for Radioactive Ion Beam Production: from Particle Physics to Medical Applications / De Melo Mendonca, T M (CERN)
Megawatt-class molten targets, combining high material densities and good heat transfer properties are being considered for neutron spallation sources, neutrino physics facilities and radioactive ion beam production. For this last category of facilities, in order to cope with the limitation of long diffusion times affecting the extraction of short-lived isotopes, a lead-bismuth eutectic (LBE) target loop equipped with a diffusion chamber has been proposed and tested offline during the EURISOL design study. [...]
CERN-ACC-2014-0183.- Geneva : CERN, 2014 - 4 p. Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.2143-2145

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2014-08-07
15:31
The AWAKE Experimental Facility at CERN / Gschwendtner, E (CERN) ; Bohl, T (CERN) ; Bracco, C (CERN) ; Butterworth, A (CERN) ; Cipiccia, S (CERN) ; Doebert, S (CERN) ; Fedosseev, V (CERN) ; Feldbaumer, E (CERN) ; Hessler, C (CERN) ; Hofle, W (CERN) et al.
AWAKE, an Advanced Wakefield Experiment is launched at CERN to verify the proton driven plasma wakefield acceleration concept. Proton bunches at 400 GeV/c will be extracted from the CERN SPS and sent along a 750 m long proton line to a plasma cell, a Rubidium vapour source, where the proton beam drives wakefields reaching accelerating gradients of several gigavolts per meter. [...]
CERN-ACC-2014-0182.- Geneva : CERN, 2014 - 5 p. Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.582-585

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