CERN Accelerating science

SPS and CNGS

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2016-04-29
14:18
CHARM Facility Test Area Radiation Field Description / Thornton, Adam (University of Surrey (GB))
Specification document summarising the radiation field of the CHARM facility test area. [...]
CERN-ACC-NOTE-2016-0041.
- 2016. - 51 p.
Access to fulltext

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2016-04-17
19:39
High Gradient $Nb_3Sn$ Quadrupole Demonstrator MKQXF Engineering Design / Kokkinos, C (FEAC Engineering P.C.) ; Karppinen, Mikko (CERN)
A new mechanical design concept for the $Nb_3Sn$ quadrupoles has been developed with a goal of an accelerator quality magnet that can be industrially produced in large series. [...]
CERN-ACC-NOTE-2016-0039.
- 2016. - 46 p.
Full text

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2016-04-16
21:43
Stretched-Wire Techniques and Measurements for the Alignment of a 15ghz RF-BPM for CLIC / Zorzetti, Silvia (CERN; University of Pisa) ; Galindo Muñoz, Natalia (CERN) ; Wendt, Manfred (CERN) ; Fanucci, Luca (University of Pisa)
For the Compact LInear Collider (CLIC) project at CERN, maintaining low emittance beams, as they are transported along the two independent 10-20 km long main linacs, is crucial. The beam trajectory therefore has to be very well aligned to the magnetic centre of the quadrupole magnets. [...]
CERN-ACC-2016-0021.- Geneva : CERN, 2016 - Published in : Fulltext: PDF;
In : International Beam Instrumentation Conference , Melbourne, Australia, 13 - 17 Sep 2015

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2016-04-15
16:10
Studies of the doubling of the Frascati Beam-Test Facility (BTF) line / Buonomo, Bruno (INFN Laboratori Nazionali di Frascati) ; Di Giulio, Claudio (INFN Laboratori Nazionali di Frascati) ; Foggetta, Luca (INFN Laboratori Nazionali di Frascati) ; Valente, Paolo (INFN Roma)
AIDA-2020-NOTE-2016-002.- Geneva : CERN, 2016 Fulltext: DOCX;

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2016-04-14
06:43
RF Cavity Induced Sensitivity Limitations on Beam Loss Monitors / Kastriotou, M (CERN ; Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Degiovanni, A (CERN) ; Sousa, F S Domingues (CERN) ; Effinger, E (CERN) ; Holzer, E B (CERN) ; Quirante, J L Navarro (CERN) ; del Busto, E N (CERN ; Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Tecker, F (CERN) ; Viganò, W (CERN) ; Welsch, C P (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) et al.
Due to the secondary showers generated when a particle hits the vacuum chamber, beam losses at an accelerator may be detected via radiation detectors located near the beam line. Several sources of background can limit the sensitivity and reduce the dynamic range of a Beam Loss Monitor (BLM). [...]
2015 - 8 p. - Published in : Phys. Procedia 77 (2015) 21-28 Elsevier Open Access article: PDF;

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2016-04-13
08:31
A Structured Approach to Analyze the Influence of Channel Dimensions on Heat Extraction via Superfluid Helium / Bielert, E R (Twente U., Enschede ; CERN) ; ten Kate, H H J (Twente U., Enschede ; CERN) ; Verweij, A P (CERN)
For the luminosity upgrade of the LHC at CERN, the final focusing quadrupole magnets will be exposed to an increased energy deposition in their coil windings. To have a higher heat transfer rate between cable and superfluid helium bath, the cable insulation has been subject of many studies. [...]
2015 - 7 p. - Published in : Phys. Procedia 67 (2015) 815-821 Elsevier Open Access article: PDF;
In : 25th International Cryogenic Conference & International Cryogenic Materials Conference 2014, Twente U., Enschede, The Netherlands, 07 - 11 Jul 2014, pp.815-821

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2016-04-13
08:31
Development of a Novel Method for the Exploration of the Thermal Response of Superfluid Helium Cooled Superconducting Cables to Pulse Heat Loads / Winkler, T (CERN ; Twente U., Enschede) ; Koettig, T (CERN) ; van Weelderen, R (CERN) ; Bremer, J (CERN) ; ter Brake, H J M (Twente U., Enschede)
Management of transient heat deposition in superconducting magnets and its extraction from the aforementioned is becoming increasingly important to bring high energy particle accelerator performance to higher beam energies and intensities. Precise knowledge of transient heat deposition phenomena in the magnet cables will permit to push the operation of these magnets as close as possible to their current sharing limit, without unduly provoking magnet quenches. [...]
2015 - 5 p. - Published in : Phys. Procedia 67 (2015) 602-606 Elsevier Open Access article: PDF;
In : 25th International Cryogenic Conference & International Cryogenic Materials Conference 2014, Twente U., Enschede, The Netherlands, 07 - 11 Jul 2014, pp.602-606

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2016-03-30
06:14
Quality and Stability Studies of the Beams in the ELENA Ring Transfer Lines / Hunt, James (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Karamyshev, Oleg (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Resta-López, Javier (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Welsch, Carsten (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.)
The Extra Low ENergy Antiproton (ELENA) ring will provide seven different experiments at CERN with cooled beams of low energy (~100 keV) antiprotons. As a result, a system of transfer lines is being designed to ensure that each experiment receives a beam with its required properties. [...]
2015 - 3 p. - Published in : (2015) , pp. THPF107 Published version from JACoW: PDF; External link: JACOW
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.THPF107

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2016-03-30
06:14
Progress of the Klystron and Cavity Test Stand for the FAIR Proton Linac / Schnase, Alexander (Darmstadt, GSI) ; Joly, Christophe (Orsay, IPN) ; Lesrel, Jean (Orsay, IPN) ; Plechov, Evgenij (Darmstadt, GSI) ; Salvatore, Julian (Darmstadt, GSI) ; Schreiber, Gerald (Darmstadt, GSI) ; Vinzenz, Wolfgang (Darmstadt, GSI)
In collaboration between the FAIR project, GSI, and CNRS, the IPNO lab provided the high power RF components for a cavity and klystron test stand. For initial operation of the 3 MW Thales TH2181 klystron at 325.224 MHz we received a high voltage modulator from CERN Linac 4 as a loan. [...]
2015 - 3 p. - Published in : (2015) , pp. WEPMA022 Published version from JACoW: PDF; External link: JACOW
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.WEPMA022

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2016-03-30
06:14
The AWAKE Proton-driven Plasma Wakefield Experiment at CERN / Muggli, Patric (Garching, Max Planck Inst. Plasmaphys.)
The AWAKE experiment at CERN aims at studying plasma wakefield generation and acceleration driven by proton bunches. The first experiments will focus on the self-modulation instability of the long (~12cm, rms) proton bunch in the plasma. [...]
2015 - 4 p. - Published in : (2015) , pp. WEPWA007 Published version from JACoW: PDF; External link: JACOW
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.WEPWA007

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