CERN Accelerating science

SPS and CNGS

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2018-04-18
06:13
The Cherenkov Detector for Proton Flux Measurement (CpFM) in the UA9 Experiment / Montesano, Simone (CERN) ; Addesa, Francesca (INFN, Rome) ; Burmistrov, Leonid (Orsay, LAL) ; Cavoto, Gianluca (INFN, Rome) ; Dubos, Sebastien (Orsay, LAL) ; Iacoangeli, Francesco (INFN, Rome) ; Puill, Véronique (Orsay, LAL) ; Scandale, Walter (CERN ; Orsay, LAL) ; Stocchi, Achille (Orsay, LAL)
The UA9 experiment at the CERN SPS investigates the possibility to use bent crystals to steer particles in high energy accelerators. In this framework the CpFM have been developed to measure the beam particle flux in different experimental situations. [...]
2017 - 4 p. - Published in : 10.18429/JACoW-IBIC2016-TUPG40 Fulltext: PDF;
In : International Beam Instrumentation Conference, Barcelona, Spain, 11 - 15 Sep 2016, pp.TUPG40

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2018-04-18
06:13
Scintillation and OTR Screen Characterization with a 440 GeV/c Proton Beam in Air at the CERN HiRadMat Facility / Burger, Stephane (CERN) ; Biskup, Bartolomej (Prague, Tech. U. ; CERN) ; Mazzoni, Stefano (CERN) ; Turner, Marlene (CERN ; Graz, Tech. U.)
Beam observation systems, based on charged particles passing through a light emitting screen, are widely used and often crucial for the operation of particle accelerators as well as experimental beamlines. The AWAKE experiment, currently under construction at CERN, requires a detailed understanding of screen sensitivity and the associated accuracy of the beam size measurement. [...]
2017 - 5 p. - Published in : 10.18429/JACoW-IBIC2016-MOPG78 Fulltext: PDF;
In : International Beam Instrumentation Conference, Barcelona, Spain, 11 - 15 Sep 2016, pp.MOPG78

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2018-04-18
06:13
Neutrons and Photons Fluences in the DTL Section of the ESS Linac / Lari, Luisella (ESS, Lund ; CERN) ; Bevilacqua, Riccardo (ESS, Lund) ; Cerutti, Francesco (CERN) ; Esposito, Luigi Salvatore (CERN ; ADAM, Geneva) ; Mereghetti, Alessio (CERN) ; Miyamoto, Ryoichi (ESS, Lund) ; Pierre, Clément (ESS, Lund) ; Tchelidze, Lali (ESS, Lund)
The last section of the normal conducting front end of the ESS accelerator is composed by a train of 5 DTL tanks. They accelerate the proton beam from 3.6 until 90 MeV. [...]
2017 - 4 p. - Published in : 10.18429/JACoW-NAPAC2016-WEPOA07 Fulltext: PDF;
In : 2016 North American Particle Accelerator Conference, Chicago, IL, USA, 9 - 14 Oct 2016, pp.WEPOA07

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2018-04-14
06:46
Extraction Line and Beam Dump for the Future Electron Positron Circular Collider / Apyan, Armen (Yerevan Phys. Inst.) ; Oide, Katsunobu (KEK, Tsukuba) ; Zimmermann, Frank (CERN)
The conceptual design of an extraction line and beam dump for the future electron positron circular collider is presented. The proposed extraction line, consisting of abort kicker system, spoilers and beam diagnostics apparatus transports the electron and positron beams to the main beam dumps. [...]
2017 - 4 p. - Published in : 10.18429/JACoW-eeFACT2016-WET3AH3 Fulltext: PDF;
In : 58th ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+e-Colliders, Daresbury, United Kingdom, 24 - 27 Oct 2016, pp.WET3AH3

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2018-04-14
06:46
CERN PS Booster Transverse Damper: 10 kHz - 200 MHz Radiation Tolerant Amplifier for Capacitive PU Signal Conditioning / Meoli, Alessandro (CERN) ; Blas, Alfred (CERN) ; Louwerse, Reinier (CERN)
After connection to the LINAC4, the beam intensity in the PSBooster is expected to double and thus, an upgrade of the head electronics of the transverse feedback BPM is necessary. In order to cover the beam spectrum for an effective transverse damping, the pickup (PU) signal should have a large bandwidth on both the low and high frequency sides. [...]
2017 - 4 p. - Published in : 10.18429/JACoW-IBIC2016-TUPG04 Fulltext: PDF;
In : International Beam Instrumentation Conference, Barcelona, Spain, 11 - 15 Sep 2016, pp.TUPG04

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2018-04-14
06:46
The Design, Construction and Operation of the Beam Instrumentation for the High Intensity and Energy Upgrade of ISOLDE at CERN / Andreazza, William (CERN) ; Bravin, Enrico (CERN) ; Cantero, Esteban (CERN) ; Carmona, José Miguel (AVS, Elgoibar) ; Galipienzo, Julio (AVS, Elgoibar) ; Noguera Crespo, Pedro (AVS, Elgoibar) ; Sadovich, Sergey (CERN) ; Sosa, Alejandro (CERN) ; Veness, Raymond (CERN)
The High Intensity and Energy (HIE) upgrade to the on-line isotope separation facility (ISOLDE) facility at CERN is currently in the process of being commissioned. The very tight space available between the superconducting acceleration cavities used and a challenging specification led to the design of a compact 'diagnostic box' with a number of insertable instruments on a common vacuum chamber. [...]
2017 - 4 p. - Published in : 10.18429/JACoW-IBIC2016-MOPG27 Fulltext: PDF;
In : International Beam Instrumentation Conference, Barcelona, Spain, 11 - 15 Sep 2016, pp.MOPG27

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2018-04-13
06:37
Optical Effects in High Resolution and High Dynamic Range Beam Imaging Systems / Wolfenden, Joseph (U. Liverpool (main)) ; Bergamaschi, Michele (CERN) ; Fiorito, Ralph (U. Liverpool (main)) ; Karataev, Pavel (JAI, UK) ; Kieffer, Robert (CERN) ; Kruchinin, Konstantin (JAI, UK) ; Lefèvre, Thibaut (CERN) ; Mazzoni, Stefano (CERN) ; Welsch, Carsten (U. Liverpool (main))
Optical systems are used to transfer light in beam diagnostics for a variety of imaging applications. The effect of the point spread function (PSF) of these optical systems on the resulting measurements is often approximated or misunderstood. [...]
2017 - 4 p. - Published in : 10.18429/JACoW-IBIC2016-WEPG80 Fulltext: PDF;
In : International Beam Instrumentation Conference, Barcelona, Spain, 11 - 15 Sep 2016, pp.WEPG80

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2018-04-13
06:37
Development of a Prototype Electro-Optic Beam Position Monitor at the CERN SPS / Arteche, Alberto (Royal Holloway, U. of London) ; Bosco, Alessio (Royal Holloway, U. of London) ; Chritin, Nicolas (CERN) ; Draskovic, Drasko (CERN) ; Gibson, Stephen (Royal Holloway, U. of London) ; Lefèvre, Thibaut (CERN) ; Levens, Thomas (CERN)
A novel electro-optic beam position monitor capable of rapidly (<50ps) monitoring transverse intra-bunch perturbations is under development for the HL-LHC project. The EO-BPM relies on the fast optical response of two pairs of electro-optic crystals, whose birefringence is modified by the passing electric field of a 1ns proton bunch. [...]
2017 - 4 p. - Published in : 10.18429/JACoW-IBIC2016-WEPG09 Fulltext: PDF;
In : International Beam Instrumentation Conference, Barcelona, Spain, 11 - 15 Sep 2016, pp.WEPG09

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2018-04-12
08:23
Decisions taken at the meeting held on 17.5.72 concerning tv stations in the PSB injection line / Reich, K H
CERN-SI-Mi-BR-72-2.
- 1972. - 1 p.

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2018-04-12
07:49
Commissioning and performance of a phase-compensated optical link for the AWAKE experiment at CERN / Barrientos, D. (CERN) ; Molendijk, J. (CERN) ; Butterworth, A. (CERN) ; Damerau, H. (CERN) ; Höfle, W. (CERN) ; Jaussi, M. (CERN)
In this work, we analyze the performance of the solution adopted for the compensation of the phase drift of a 3 km optical fiber link used for the AWAKE experiment at CERN. [...]
LLRF2017/P-64 ; arXiv:1803.09039 ; LLRF2017-P-64.
- 3 p.
Fulltext

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