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Laboratory and Beam Based Studies for Assessing the Performance of the New Fast Wire Scanners for the CERN Injector Complex
/ Emery, Jonathan (CERN) ; Andersson, Patrik (CERN) ; Andreazza, William (CERN) ; Fernandez Ochoa, Jose Maria (CERN) ; Goldblatt, Aurélie (CERN) ; Gudkov, Dmitry (CERN) ; Roncarolo, Federico (CERN) ; Sirvent, Jose (CERN) ; Tassan-Viol, Jean (CERN) ; Veness, Raymond (CERN)
At CERN, fast beam wire scanners serve as reference transverse profile monitors in all synchrotrons. As part of the LHC Injector Upgrade project, a new generation of scanners has been designed to improve system reliability, precision and accuracy in view of higher brightness beams. [...]
2019 - 5 p.
- Published in : 10.18429/JACoW-IBIC2019-TUPP033
In : 8th International Beam Instrumentation Conference (IBIC 2019), Malmo, Sweden, 8 - 12 Sep 2019, pp.TUPP033
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2.
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A low fluctuation control strategy for PMSM direct drive system targeting Particle Beam Instrumentation Application
/ Emery, Jonathan (CERN) ; Andersson, Patrik (CERN) ; Roncarolo, Federico (CERN) ; Thoma, Yann (Appl. Sci. U., Yverdon)
Particle accelerators have a singular environment where multiple constraints are driving the engineering of equipment. Designers have to deal with the destructive effects of charged particles, high vacuum requirements, large temperatures and particular system architectures due to large-scale installations such as the Large Hadron Collider (LHC) at the CERN laboratory. [...]
2019 - 7 p.
- Published in : 10.1109/CCTA.2019.8920688
In : 3rd IEEE Conference on Control Technology and Applications, Hong Kong, China, 19 - 21 Aug 2019
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3.
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Performance Assessment of Pre-Series Fast Beam Wire Scanner Prototypes for the Upgrade of the CERN LHC Injector Complex
/ Sirvent, Jose (CERN) ; Andersson, Patrik (CERN) ; Andreazza, William (CERN) ; Dehning, Bernd (CERN) ; Emery, Jonathan (CERN) ; Garcia, Lionel (CERN) ; Gudkov, Dmitry (CERN) ; Roncarolo, Federico (CERN) ; Tassan-Viol, Jean (CERN) ; Trad, Georges (CERN) et al.
A new generation of beam wire scanner (BWS), for transversal beam profile monitoring, is under development on the framework of the LHC Injector Upgrade project at CERN. Two pre-series prototypes have been built and installed in the Super Proton Synchrotron and Proton Synchrotron Booster, to assess the performance of the upgraded BWS concept. [...]
2018 - 4 p.
- Published in : 10.18429/JACoW-IBIC2017-WEPCC03
Fulltext: PDF;
In : 6th International Beam Instrumentation Conference, Grand Rapids, MI, USA, 20 -24 Aug 2017, pp.WEPCC03
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4.
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Installation and Test of Pre-series Wire Scanners for the LHC Injector Upgrade Project at CERN
/ Veness, Raymond (CERN) ; Andersson, Patrik (CERN) ; Andreazza, William (CERN) ; Chritin, Nicolas (CERN) ; Dehning, Bernd (CERN) ; Emery, Jonathan (CERN) ; Goldblatt, Aurélie (CERN) ; Gudkov, Dmitry (CERN) ; Roncarolo, Federico (CERN) ; Sirvent, Jose (CERN) et al.
A new generation of fast wire scanners is being developed for the LHC Injectors Upgrade (LIU) project at CERN. These will be essential tools for transverse profile measurement with the higher brightness LIU beams, and are planned for installation in 2019 in all three synchrotrons making up the LHC injector chain. [...]
CERN-ACC-2017-199.-
2017 - 3 p.
- Published in : 10.18429/JACoW-IPAC2017-MOPAB121
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.MOPAB121
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5.
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Selective laser photodetachment of intense atomic and molecular negative ion beams with the ILIAS RFQ ion beam cooler
/ Martschini, Martin (Vienna U.) ; Pitters, Johanna (Vienna U. ; CERN) ; Moreau, Tobias (Vienna U.) ; Andersson, Pontus (Vienna U. ; Chalmers U. Tech.) ; Forstner, Oliver (Vienna U. ; Jena U.) ; Hanstorp, Dag (U. Gothenburg (main)) ; Lachner, Johannes (Vienna U.) ; Liu, Yuan (Oak Ridge) ; Priller, Alfred (Vienna U.) ; Steier, Peter (Vienna U.) et al.
The Ion Laser InterAction Setup (ILIAS) project at the University of Vienna aims at the exploration of negative ion beam filtering by selective laser photodetachment for applications in accelerator mass spectrometry (AMS). A gas-filled radio frequency quadrupole (RFQ) is used to decelerate and cool negative atomic and molecular ion beams with intensities of up to several hundred nA, and overlap them collinearly with a continuous wave (cw) laser beam. [...]
2017 - 9 p.
- Published in : Int. J. Mass Spectrometry 415 (2017) 9-17
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6.
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Linac4 H− ion sources
/ Lettry, J (CERN) ; Aguglia, D (CERN) ; Alessi, J (RIKEN BNL) ; Andersson, P (CERN) ; Bertolo, S (CERN) ; Briefi, S (Augsburg U.) ; Butterworth, A (CERN) ; Coutron, Y (CERN) ; Dallocchio, A (CERN) ; David, N (CERN) et al.
CERN’s 160 MeV H−linear accelerator (Linac4) is a key constituent of the injector chain upgrade of the Large Hadron Collider that is being installed and commissioned. A cesiated surface ion source prototype is being tested and has delivered a beam intensity of 45 mA within an emittance of 0.3 π ⋅ mm ⋅ mrad. [...]
2015
- Published in : Rev. Sci. Instrum. 87 (2015) 02B139
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7.
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Status and Operation of the Linac4 Ion Source Prototypes
/ Lettry, J (CERN) ; Aguglia, D (CERN) ; Andersson, P (CERN) ; Bertolo, S (CERN) ; Butterworth, A (CERN) ; Coutron, Y (CERN) ; Dallocchio, A (CERN) ; Chaudet, E (CERN) ; Gil-Flores, J (CERN) ; Guida, R (CERN) et al.
CERN’s Linac4 45 kV H- ion sources prototypes are installed at a dedicated ion source test stand and in the Linac4 tunnel. The operation of the pulsed hydrogen injection, RF sustained plasma and pulsed high voltages are described. [...]
CERN-ACC-2014-0342.-
Geneva : CERN, 2014 - 4 p.
Fulltext: PDF;
In : 15th International Conference on Ion Sources, Chiba, Japan, 9 - 13 Sep 2013, pp.Ion Sources
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8.
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Status and Operation of the Linac4 Ion Source Prototypes
/ Lettry, J (CERN) ; Aguglia, D (CERN) ; Andersson, P (CERN) ; Bertolo, S (CERN) ; Butterworth, A (CERN) ; Coutron, Y (CERN) ; Dallocchio, A (CERN) ; Chaudet, E (CERN) ; Gil-Flores, J (CERN) ; Guida, R (CERN) et al.
CERN’s Linac4 45 kV H- ion sources prototypes are installed at a dedicated ion source test stand and in the Linac4 tunnel. The operation of the pulsed hydrogen injection, RF sustained plasma and pulsed high voltages are described. [...]
CERN-ACC-2014-0324.-
Geneva : CERN, 2014 - 4 p.
- Published in : Rev. Sci. Instrum. 85 (2014) 02B122
Fulltext: PDF;
In : 15th International Conference on Ion Sources, Chiba, Japan, 9 - 13 Sep 2013, pp.02B122
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9.
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Measurement of the energy spectrum from the neutron source p lanned for IGISOL
/ Mattera, A (Uppsala U. (main)) ; Bedogni, R (Frascati) ; Rakopoulos, V (Uppsala U. (main)) ; Lantz, M (Uppsala U. (main)) ; Pomp, S (Uppsala U. (main)) ; Solders, A (Uppsala U. (main)) ; Al-Adili, A (Uppsala U. (main)) ; Andersson, P (Uppsala U. (main)) ; Hjalmarsson, A (Uppsala U. (main)) ; Valldor-Blücher, B (Uppsala U. (main)) et al.
We report on the characterisation measurements of the energ y spectra from a Be (p,xn) neutron source to be installed at the IGISOL-JYFLTRA P facility for studies of neutron-induced independent fission yields. The measurements were performed at The Svedberg Laboratory (Uppsala, Sweden), during 50 hours of beam-time in June, 2012. [...]
2014
Published version from CERN: PDF;
In : European Research Infrastructures for Nuclear Data Applications (ERINDA) workshop, CERN, Geneva, Switzerland, 1 - 3 Oct 2013, pp.39-45
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