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1.
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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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2.
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3.
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4.
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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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5.
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6.
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Crab cavity and cryomodule development for HL-LHC
/ Carra, Federico (CERN) ; Amorim Carvalho, Alexandre (CERN) ; Artoos, Kurt (CERN) ; Atieh, Said (CERN) ; Aviles Santillana, Ignacio (CERN) ; Belomestnykh, Sergey (RIKEN BNL) ; Boucherie, Antoine (CERN) ; Brachet, Jean-Pierre (CERN) ; Brodzinski, Krzysztof (CERN) ; Burt, Graeme (Lancaster U.) et al.
The HL-LHC project aims at increasing the LHC luminosity by a factor 10 beyond the design value. The installation of a set of RF Crab Cavities to increase bunch crossing angle is one of the key upgrades of the program. [...]
2015 - 7 p.
- Published in : 10.18429/JACoW-SRF2015-FRBA02
Fulltext: PDF;
In : 17th International Conference on RF Superconductivity, Whistler, Canada, 13 - 18 Sep 2015, pp.FRBA02
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7.
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Design of Dressed Crab Cavities for the HL-LHC Upgrade
/ Zanoni, Carlo (CERN) ; Artoos, Kurt (CERN) ; Atieh, Said (CERN) ; Aviles Santillana, Ignacio (CERN) ; Belomestnykh, Sergey (RIKEN BNL) ; Ben-Zvi, Ilan (RIKEN BNL ; SUNY, Stony Brook) ; Brachet, Jean-Pierre (CERN) ; Burt, Graeme (Lancaster U.) ; Calaga, Rama (CERN) ; Capatina, Ofelia (CERN) et al.
The HL-LHC upgrade relies on a set of RF crab cavities for reaching its goals. Two parallel concepts, the Double Quarter Wave (DQW) and the RF Dipole (RFD), are going through a comprehensive design process along with preparation of fabrication in view of extensive tests with beam in SPS. [...]
2015 - 5 p.
- Published in : 10.18429/JACoW-SRF2015-THPB070
Fulltext: PDF;
In : 17th International Conference on RF Superconductivity, Whistler, Canada, 13 - 18 Sep 2015, pp.THPB070
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8.
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Engineering design and prototype fabrication of HOM couplers for HL-LHC crab cavities
/ Zanoni, Carlo (CERN) ; Atieh, Said (CERN) ; Aviles Santillana, Ignacio (CERN) ; Belomestnykh, Sergey (RIKEN BNL ; Stony Brook U.) ; Burt, Graeme (Lancaster U.) ; Calaga, Rama (CERN) ; Capatina, Ofelia (CERN) ; Capelli, Teddy (CERN) ; Carra, Federico (CERN) ; De Silva, Subashini (Old Dominion U.) et al.
The High-Luminosity upgrade for the LHC relies on a set of RF Crab Cavities for reaching its goals. Two parallel concepts, the Double Quarter Wave (DQW) and the RF Dipole (RFD), are going through a comprehensive design process along with preparation of fabrication in view of extensive tests with beam in SPS. [...]
2015 - 5 p.
- Published in : 10.18429/JACoW-SRF2015-THPB069
Fulltext: PDF;
In : 17th International Conference on RF Superconductivity, Whistler, Canada, 13 - 18 Sep 2015, pp.THPB069
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9.
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Development of SRF cavity tuners for CERN
/ Artoos, Kurt (CERN) ; Burt, Graeme (Lancaster U.) ; Calaga, Rama (CERN) ; Capatina, Ofelia (CERN) ; Capelli, Teddy (CERN) ; Carra, Federico (CERN) ; Dassa, Luca (CERN) ; Delayen, Jean (Old Dominion U.) ; Jones, Thomas (Daresbury) ; Kuder, Norbert (CERN) et al.
Superconducting RF cavity developments are currently on-going for new accelerator projects at CERN such as HIE ISOLDE and HL-LHC. Mechanical RF tuning systems are required to compensate cavity frequency shifts of the cavities due to temperature, mechanical, pressure and RF effects on the cavity geometry. [...]
2015 - 5 p.
- Published in : 10.18429/JACoW-SRF2015-THPB060
Fulltext: PDF;
In : 17th International Conference on RF Superconductivity, Whistler, Canada, 13 - 18 Sep 2015, pp.THPB060
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10.
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FPC and Hi-Pass Filter HOM Coupler Design for the RF Dipole Crab Cavity for the LHC HiLumi Upgrade
/ Li, Z (SLAC) ; Delayen, Jean Roger (Old Dominion U.) ; De Silva, S U (Old Dominion U.) ; Park, HyeKyoung (Old Dominion U.) ; Olave, R G (Old Dominion U.)
/SLAC, ODU Collaboration
A 400-MHz compact RF dipole (RFD) crab cavity design was jointly developed by Old Dominion University and SLAC under the support of US LARP program for the LHC HiLumi upgrade. The RFD cavity design is consisted of a rounded-square tank and two ridged deflecting poles, operating with a TE11-like dipole mode, which is the lowest mode of the cavity. [...]
CERN-ACC-2015-0184.-
Geneva : CERN, 2015 - 4 p.
Fulltext: PDF;
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.WEPWI004
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