1.
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Trim Tuning of SPS-Series DQW Crab Cavity Prototypes
/ Verdú-Andrés, Silvia (Brookhaven Natl. Lab.) ; Baurac, Samuel (Adv. Design Consult., Lansing) ; Boulware, Charles (Adv. Design Consult., Lansing) ; Clemens, William (Jefferson Lab) ; Grimm, Terry (Adv. Design Consult., Lansing) ; McEwen, Anne (Jefferson Lab) ; Park, HyeKyoung (Old Dominion U. ; Jefferson Lab) ; Ratti, Alessandro (LBNL, Berkeley ; SLAC) ; Skaritka, John (Brookhaven Natl. Lab.) ; Wu, Qiong (Brookhaven Natl. Lab.) et al.
The final steps in the manufacturing of a superconducting RF cavity involve careful tuning before the final welds to match the target frequency as fabrication tolerances may introduce some frequency deviations. The target frequency is chosen based on analysis of the shifts induced by remaining processing steps including acid etching and cool down. [...]
CERN-ACC-2017-105.-
2017 - 3 p.
- Published in : 10.18429/JACoW-IPAC2017-MOPVA143
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.MOPVA143
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2.
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Cryogenic RF performance of double-quarter wave cavities equipped with HOM filters
/ Verdú-Andrés, Silvia (Brookhaven Natl. Lab.) ; Ben-Zvi, Ilan (Stony Brook U. ; Brookhaven Natl. Lab.) ; Burt, Graeme (Lancaster U. ; Daresbury) ; Calaga, Rama (CERN) ; Capatina, Ofelia (CERN) ; Huque, Naeem (Jefferson Lab) ; Li, Zenghai (SLAC) ; McEwen, Anne (Jefferson Lab) ; Mitchell, James (Lancaster U.) ; Park, HyeKyoung (Jefferson Lab) et al.
Crab cavities are one of the several components included in the luminosity upgrade of the Large Hadron Collider (HL-LHC). The cavities have to provide a nominal deflecting kick of 3.4 MV per cavity while the cryogenic load per cavity stays below 5 W. [...]
CERN-ACC-2019-221.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-WEPRB098
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPRB098
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3.
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Development of a Conventional Multipole Wiggler MPW-80
/ Waterman, D J (Adv. Design Consult., Lansing) ; Blomqvist, K I (Lund U., MAX-lab) ; Deyhim, A (Adv. Design Consult., Lansing) ; Kulesza, J (Adv. Design Consult., Lansing) ; Van Every, E (Adv. Design Consult., Lansing)
2008 - 3 p.
External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.WEPC110
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4.
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Portable Magnetic Field Measurement System
/ Kulesza, J (Adv. Design Consult., Lansing) ; Blomqvist, K I (Lund U., MAX-lab) ; Deyhim, A (Adv. Design Consult., Lansing) ; Van Every, E (Adv. Design Consult., Lansing) ; Waterman, D J (Adv. Design Consult., Lansing)
2008 - 3 p.
External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.WEPC108
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5.
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Development of an In-vacuum Undulator System for U-SAXS Beamline at PLS
/ Waterman, D J (Adv. Design Consult., Lansing) ; Blomqvist, K I (Lund U., MAX-lab) ; Deyhim, A (Adv. Design Consult., Lansing) ; Kulesza, J (Adv. Design Consult., Lansing) ; Van Every, E (Adv. Design Consult., Lansing)
2008 - 3 p.
External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.WEPC109
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6.
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Design and Vertical Tests of SPS-series Double-Quarter Wave (DQW) Cavity Prototypes for the HL-LHC Crab Cavity SystemDesign and vertical tests of double-quarter wave cavity prototypes for the high-luminosity LHC crab cavity system
/ Verdú-Andrés, S. (Brookhaven Natl. Lab.) ; Artoos, K. (CERN) ; Belomestnykh, S. (Brookhaven Natl. Lab. ; Fermilab ; Stony Brook U.) ; Ben-Zvi, I. (Brookhaven Natl. Lab. ; Stony Brook U.) ; Boulware, C. (Unlisted, US, MI) ; Burt, G. (Lancaster U. (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Calaga, R. (CERN) ; Capatina, O. (CERN) ; Carra, F. (CERN) ; Castilla, A. (CERN) et al.
Crab crossing is essential for high-luminosity colliders. The High Luminosity Large Hadron Collider (HL-LHC) will equip one of its Interaction Points (IP1) with Double-Quarter Wave (DQW) crab cavities. [...]
arXiv:1805.08123; FERMILAB-PUB-18-207-TD.-
2018-08-13 - 3 p.
- Published in : Phys. Rev. Accel. Beams 21 (2018) 082002
Fulltext: thpal146 - PDF; fermilab-pub-18-207-td - PDF; arXiv:1805.08123 - PDF; Fulltext from Publisher: openaccess_PhysRevAccelBeams.21.082002 - PDF; 10.1103_PhysRevAccelBeams.21.082002 - PDF; External link: Fermilab Library Server (fulltext available)
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7.
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Simulation and Measurements of Crab Cavity HOMs and HOM Couplers for HL-LHC
/ Mitchell, James (Lancaster U. (main) ; CERN ; Cockcroft Inst. Accel. Sci. Tech.) ; Apsimon, Robert (Lancaster U. (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Ben-Zvi, Ilan (Brookhaven Natl. Lab.) ; Burt, Graeme (Lancaster U. (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Calaga, Rama (CERN) ; Castilla, Alejandro (CERN) ; Jones, Thomas (Lancaster U. (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Macpherson, Alick (CERN) ; Powers, Tom (Jefferson Lab) ; Shipman, Nicholas (Lancaster U. (main) ; CERN ; Cockcroft Inst. Accel. Sci. Tech.) et al.
Two Superconducting Radio-Frequency (SRF) crab cavities are foreseen for the High Luminosity LHC (HL-LHC) upgrade. Preliminary beam tests of the Double Quarter Wave (DQW) crab cavity will take place in the Super Proton Synchrotron (SPS) in 2018. [...]
2018 - 5 p.
- Published in : 10.18429/JACoW-SRF2017-THPB059
Fulltext: PDF;
In : 18th International Conference on RF Superconductivity, Lanzhou, China, 17 - 21 Jul 2017, pp.THPB059
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8.
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DQW HOM Coupler Design for the HL-LHC
/ Mitchell, James (Lancaster U. ; CERN) ; Burt, Graeme (Lancaster U.) ; Calaga, Rama (CERN) ; Verdú-Andrés, Silvia (Brookhaven Natl. Lab.) ; Xiao, Binping (Brookhaven Natl. Lab.)
HOMs in the DQW crab cavity can produce large heat loads and beam instabilities as a result of the high current HL-LHC beams. The DQW crab cavity has on-cavity, coaxial HOM couplers to damp the HOMs whilst providing a stop-band response to the fundamental mode. [...]
CERN-ACC-2018-141.-
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-THPAL018
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPAL018
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9.
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Frequency Tuning for a DQW Crab Cavity
/ Verdú-Andrés, Silvia (RIKEN BNL) ; Artoos, Kurt (CERN) ; Ben-Zvi, Ilan (SUNY, Stony Brook ; RIKEN BNL) ; Calaga, Rama (CERN) ; Capatina, Ofelia (CERN) ; Leuxe, Raphael (CERN) ; Skaritka, John (RIKEN BNL) ; Wu, Qiong (RIKEN BNL) ; Xiao, Binping (RIKEN BNL) ; Zanoni, Carlo (CERN)
The nominal operating frequency for the HL-LHC crab cavities is 400.79 MHz within a bandwidth of ±60kHz. Attaining the required cavity tune implies a good understanding of all the processes that influence the cavity frequency from the moment when the cavity parts are being fabricated until the cavity is installed and under operation. [...]
CERN-ACC-2016-225.-
2016 - 3 p.
- Published in : 10.18429/JACoW-IPAC2016-WEPMR038
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.WEPMR038
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10.
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