CERN Accelerating science

CERN Document Server Znaleziono 7 rekordów  Szukanie trwało 0.50 sekund. 
1.
RF Performance Results of RF Double Quarter Wave Resonators for LHC High Luminosity Project / Turaj, Katarzyna (CERN) ; Bastard, Jeremy (CERN) ; Calaga, Rama (CERN) ; Calvo, Sebastien (CERN) ; Capatina, Ofelia (CERN) ; Castilla, Alejandro (CERN ; Jefferson Lab) ; Chiodini, Marco (CERN) ; Duval, Christophe (CERN) ; Edwards, Amelia (CERN ; Lancaster U.) ; Ferreira, Leonel (CERN) et al.
The LHC High Luminosity (HL-LHC) project includes, among other key items, the installation of superconducting crab cavities in the LHC machine. The Double Quarter Wave (DQW) crab cavity will be utilised to compensate for the effects of the vertical crossing angle [...]
2023 - 7 p. - Published in : JACoW SRF 2023 (2023) 925-928 Fulltext: PDF;
In : 21st International Conference on Radio-Frequency Superconductivity (SRF 2023), Grand Rapids, MI, United States, 22 - 30 Jun 2023, pp.925-928
2.
HOM Couplers and RF Antennas for HL-LHC Crab Cavities: Developments for Manufacturing / Barrière, Simon (CERN) ; Atieh, Said (CERN) ; Bulat, Bartosz (CERN) ; Calaga, Rama (CERN) ; Calvo, Sebastien (CERN) ; Capatina, Ofelia (CERN) ; Demazière, Thomas (CERN) ; Favre, Gilles (CERN) ; Gallifa Terricabras, Adrià (CERN) ; Garlasché, Marco (CERN) et al.
Superconducting RF crab cavities are being manufactured as part of the High-Luminosity LHC project at CERN. Amongst its related ancillaries, radiofrequency HOM (High Order Modes) couplers and field antennas are essential for reaching nominal performance during operation with high energy beams, as they monitor and control the electromagnetic fields in the cavities. [...]
2022 - 5 p. - Published in : JACoW SRF 2021 (2022) 303-307 Fulltext: PDF;
In : 20th International Conference on RF Superconductivity (SRF 2021), Online, US, 28 Jun - 2 Jul 2021, pp.303-307
3.
RF Dipole Crab Cavity Testing for HL-LHC / Valverde Alonso, Nuria (CERN) ; Calaga, Rama (CERN) ; Calvo, Sebastien (CERN) ; Capatina, Ofelia (CERN) ; Castilla, Alejandro (CERN ; Lancaster U. (main)) ; Chiodini, Marco (CERN) ; Duval, Christophe (CERN) ; Ferreira, Leonel (CERN) ; Gourragne, Max (CERN) ; Kohler, Paul (CERN) et al.
RF Crab Cavities are an essential element of the High Luminosity LHC (HL-LHC) upgrade at CERN. Two RF dipole crab cavity used for the compensation of the horizontal crossing angle were recently manufactured and integrated into Titanium Helium tank and RF ancillaries necessary for the beam operation. [...]
2022 - 7 p. - Published in : JACoW SRF 2021 (2022) 687-693 Fulltext: PDF;
In : 20th International Conference on RF Superconductivity (SRF 2021), Online, US, 28 Jun - 2 Jul 2021, pp.687-693
4.
First demonstration of the use of crab cavities on hadron beams / Calaga, R (CERN) ; Alekou, A (Manchester U.) ; Antoniou, F (CERN) ; Appleby, R B (Manchester U.) ; Arnaudon, L (CERN) ; Artoos, K (CERN) ; Arduini, G (CERN) ; Baglin, V (CERN) ; Barriere, S (CERN) ; Bartosik, H (CERN) et al.
Many future particle colliders require beam crabbing to recover geometric luminosity loss from the nonzero crossing angle at the interaction point (IP). A first demonstration experiment of crabbing with hadron beams was successfully carried out with high energy protons. [...]
2021 - 6 p. - Published in : Phys. Rev. Accel. Beams 24 (2021) 062001 Fulltext: PDF;
5.
Design of Crab Cavity Cryomodule for HL-LHC / Capelli, Teddy (CERN) ; Artoos, Kurt (CERN) ; Boucherie, Antoine (CERN) ; Brodzinski, Krzysztof (CERN) ; Calaga, Rama (CERN) ; Calvo, Sebastien (CERN) ; Cano-Pleite, Eduardo (CERN) ; Capatina, Ofelia (CERN) ; Carra, Federico (CERN) ; Dassa, Luca (CERN) et al.
Crab cavities are a key element to achieve the HL-LHC performance goals. There are two types of cavities Double Quarter Wave (DQW) for vertical crabbing, and Radiofrequency Dipole (RFD) for horizontal crabbing. [...]
SRF2019.- 2019 - 6 p. - Published in : 10.18429/JACoW-SRF2019-MOP099 Fulltext: PDF;
In : 19th International Conference on RF Superconductivity, Dresden, Germany, 30 Jun - 05 Jul 2019, pp.320-325
6.
The CERN PIXE-RFQ, a transportable proton accelerator for the machina project / Mathot, S (CERN) ; Anelli, G (CERN) ; Atieh, S (CERN) ; Bilton, A (CERN) ; Bulat, B (CERN) ; Callamand, Th (CERN) ; Calvo, S (CERN) ; Favre, G (CERN) ; Geisser, J -M (CERN) ; Gerardin, A (CERN) et al.
CERN has been building a transportable RFQ for use in the examination of art masterpieces based mainly on the PIXE (Proton Induced X-ray Emission) technique with an extracted beam. This new PIXE-RFQ accelerator is very compact, only one meter in length with a power consumption of less than 6 kVA for a beam energy of 2 MeV and an average current of 5 nA. [...]
2019 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 459 (2019) 153-157
7.
A Broadband Transverse Kicker Prototype for Intra-Bunch Feedback in the CERN SPS / Wendt, Manfred (CERN) ; Alonso Romero, Irene (CERN) ; Calvo, Sebastien (CERN) ; Höfle, Wolfgang (CERN) ; Jones, Owain Rhodri (CERN) ; Montesinos, Eric (CERN)
A transverse intra-bunch feedback system is currently under study at CERN for the SPS, to mitigate beam instabilities caused by electron clouds and coupled transverse modes (TMCI). This feedback system is designed for a bandwidth of 1 GHz, and based on a digital feedback controller and broadband power amplifiers. [...]
IPAC-2017-TUPIK053; CERN-ACC-2017-139.- 2017 - 4 p. - Published in : 10.18429/JACoW-IPAC2017-TUPIK053 Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.TUPIK053

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