CERN Accelerating science

CERN Published Articles

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2014-10-31
16:11
Measurements on Prototype Inductive Adders with Ultra-Flat-Top Output Pulses for CLIC DR Kickers / Holma, J (CERN, Switzerland) ; Barnes, MJ (CERN, Switzerland) ; Belver-Aguilar, C (IFIC (CSIC-UV), Valencia, Spain)
The CLIC study is investigating the technical feasibility of an electron-positron collider with high luminosity and a nominal centre-of-mass energy of 3 TeV. The CLIC pre-damping rings and damping rings (DRs) will produce ultra-low emittance beam with high bunch charge. [...]
CERN-ACC-2014-0247.- Geneva : CERN, 2014 - 4 p. Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.IPAC

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2014-10-31
15:56
Measurements and Laboratory Tests on a Prototype Stripline Kicker for the CLIC Damping Rings / Belver-Aguilar, C (IFIC (CSIC-UV), Valencia, Spain) ; Faus-Golfe, A (IFIC (CSIC-UV), Valencia, Spain) ; Toral, F (CIEMAT, Madrid, Spain) ; Barnes, MJ (CERN, Geneva, Switzerland) ; Day, H (CERN, Geneva, Switzerland)
The Pre-Damping Rings (PDRs) and Damping Rings (DRs) of CLIC are required to reduce the beam emittances to the small values required for the main linacs. The injection and extraction, from the PDRs and DRs, are performed by kicker systems. [...]
CERN-ACC-2014-0246.- Geneva : CERN, 2014 - 4 p. Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.IPAC

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2014-10-31
15:43
Delivery of Special Magnets for the MedAustron Project / Kramer, T (CERN, Switzerland) ; Atanasov, MG (CERN, Switzerland) ; Barlow, RA (CERN, Switzerland) ; Barnes, MJ (CERN, Switzerland) ; Borburgh, J (CERN, Switzerland) ; Ducimetière, L (CERN, Switzerland) ; Fowler, T (CERN, Switzerland) ; Hourican, M (CERN, Switzerland) ; Mertens, V (CERN, Switzerland) ; Prost, A (CERN, Switzerland)
Ten different types of kickers, bumpers, and electrostatic and magnetic septa, along with certain power supplies and associated control system components, have been designed in a collaboration between CERN and MedAustron for an ion therapy centre in Wr. Neustadt (Austria). [...]
CERN-ACC-2014-0245.- Geneva : CERN, 2014 - 4 p. Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.IPAC

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2014-10-30
17:16
Upgrade of the SPS Injection Kicker System for the LHC High Luminosity Operation with Heavy Ion Beam / Kramer, T (CERN, Switzerland) ; Borburgh, J (CERN, Switzerland) ; Goddard, B (CERN, Switzerland) ; Ducimetière, L (CERN, Switzerland) ; Sermeus, L (CERN, Switzerland) ; Uythoven, J (CERN, Switzerland) ; Velotti, FM (CERN, Switzerland)
In the context of the LHC High Luminosity Upgrade project a performance upgrade for heavy ions is envisaged. One of the performance limitations is the rise time of the present SPS injection kicker system MKP. [...]
CERN-ACC-2014-0243.- Geneva : CERN, 2014 - 4 p. Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.IPAC

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2014-10-30
16:50
High Voltage Performance of the Beam Screen of the LHC Injection Kicker Magnets / Barnes, MJ (CERN, Switzerland) ; Adraktas, P (CERN, Switzerland) ; Bregliozzi, G (CERN, Switzerland) ; Calatroni, S (CERN, Switzerland) ; Costa Pinto, P (CERN, Switzerland) ; Day, H (CERN, Switzerland) ; Ducimetière, L (CERN, Switzerland) ; Kramer, T (CERN, Switzerland) ; Namora, V (CERN, Switzerland) ; Mertens, V (CERN, Switzerland) et al.
The LHC injection kicker magnets include beam screens to shield the ferrite yokes against wakefields resulting from the high intensity beam. The screening is provided by conductors lodged in the inner wall of a ceramic support tube. [...]
CERN-ACC-2014-0242.- Geneva : CERN, 2014 - 4 p. Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.IPAC

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2014-10-30
16:39
Cooling of the LHC Injection Kicker Magnet Ferrite Yoke: Measurements and Future Proposals / Sobiech, Z (CERN, Switzerland) ; Barnes, MJ (CERN, Switzerland) ; Bouleghlimat, S (CERN, Switzerland) ; Ducimetière, L (CERN, Switzerland) ; Garlaschè, M (CERN, Switzerland) ; Kramer, T (CERN, Switzerland) ; Namora, V (CERN, Switzerland) ; Noulibos, R (CERN, Switzerland) ; Sillanoli, Y (CERN, Switzerland) ; Weterings, W (CERN, Switzerland)
LHC operation with high intensity beam, stable for many hours, resulted in significant heating of the ferrite yoke of the LHC Injection Kicker Magnets. For one kicker magnet the ferrite yoke approached its Curie temperature. [...]
CERN-ACC-2014-0241.- Geneva : CERN, 2014 - 4 p.
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.IPAC

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2014-10-30
16:09
Beam Dumping Impedance of the New Beam Screen of the LHC Injection Kicker Magnets / Day, H (CERN, Switzerland) ; Barnes, MJ (CERN, Switzerland) ; Caspers, F (CERN, Switzerland) ; Métral, E (CERN, Switzerland) ; Salvant, B (CERN, Switzerland) ; Uythoven, J (CERN, Switzerland)
The LHC injection kicker magnets experienced significant beam induced heating of the ferrite yoke, with high beam currents circulating for many hours, during operation of the LHC in 2011 and 2012. The causes of this beam induced heating were studied in depth and an improved beam screen implemented to reduce the impedance. [...]
CERN-ACC-2014-0240.- Geneva : CERN, 2014 - 4 p. Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.IPAC

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2014-10-30
15:37
Performance Studies of the SPS Beam Dump System for HL-LHC Beams / Velotti, FM (CERN, Switzerland) ; Aberle, O (CERN, Switzerland) ; Bracco, C (CERN, Switzerland) ; Carlier, E (CERN, Switzerland) ; Cerutti, F (CERN, Switzerland) ; Cornelis, K (CERN, Switzerland) ; Ducimetiere, L (CERN, Switzerland) ; Goddard, B (CERN, Switzerland) ; Kain, V (CERN, Switzerland) ; Losito, R (CERN, Switzerland) et al.
The Super Proton Synchrotron (SPS) beam dump system is a concern for the planned High Luminosity LHC (HL-LHC) operation. The system has initially been designed for very different beam parameters compared to those which will reign after the completion of the LHC injectors upgrade, when the SPS will have to operate with unprecedented beam brightness. [...]
CERN-ACC-2014-0239.- Geneva : CERN, 2014 - 4 p. Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.IPAC

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2014-10-30
15:07
Feasibility Studies for the Extraction of both LHC Beams from CERN SPS using a Common Kicker / Velotti, FM (CERN, Switzerland) ; Bartmann, W (CERN, Switzerland) ; Bracco, C (CERN, Switzerland) ; Carlier, E (CERN, Switzerland) ; Cornelis, K (CERN, Switzerland) ; Goddard, B (CERN, Switzerland) ; Kain, V (CERN, Switzerland) ; Meddahi, M (CERN, Switzerland)
The CERN Super Proton Synchrotron has to fulfil the demanding intensity specifications for the High Luminosity LHC (HL-LHC) era, with a doubling of the presently achieved operational beam intensity. One of the main problems to be addressed is given by impedance-driven beam instabilities. [...]
CERN-ACC-2014-0238.- Geneva : CERN, 2014 - 4 p. Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.IPAC

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2014-10-30
14:57
The Challenge of Interfacing the Primary Beam Lines for the AWAKE Project at CERN / Bracco, C (CERN, Switzerland) ; Goddard, B (CERN, Switzerland) ; Gschwendtner, E (CERN, Switzerland) ; Meddahi, M (CERN, Switzerland) ; Petrenko, A (CERN, Switzerland) ; Velotti, FM (CERN, Switzerland)
The Proton Driven Plasma Wakefield Acceleration Experiment (AWAKE) at CERN foresees the simultaneous operation of a proton, a laser and an electron beam. The first stage of the experiment will consist in proving the self-modulation, in the plasma, of a long proton bunch into micro-bunches. [...]
CERN-ACC-2014-0237.- Geneva : CERN, 2014 - 4 p. Fulltext: PDF;
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.IPAC

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