CERN Accelerating science

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1.
Nb Coated HIE-ISOLDE QWR Superconducting Accelerating Cavities: From Process Development to Series Production / Sublet, Alban (CERN) ; Aviles Santillana, Ignacio (CERN) ; Bartova, Barbora (CERN) ; Calatroni, Sergio (CERN) ; Jecklin, Noemie (CERN) ; Mondino, Irene (CERN) ; Therasse, Mathieu (CERN) ; Venturini Delsolaro, Walter (CERN) ; Zhang, Pei (CERN) ; Cantoni, Marco (Ecole Polytechnique, Lausanne)
The new HIE-ISOLDE accelerator at CERN requires the production of 32 superconducting cavities (20 high- β and 12 low- β ) in order to increase the energy of the rare isotope beam delivered to the experiments. The Quarter Wave Resonators (QWR) cavities (0.3m diameter and 0.9m height for the high- β ) are made of OFE 3D-forged copper and are coated by DC-bias diode sputtering with a thin superconducting layer of niobium. [...]
2014 - 3 p. - Published in : , pp. WEPRI042 Fulltext: PDF; External link: Published version from JACoW
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.WEPRI042
2.
Characterization of Nb coating in HIE-ISOLDE QWR superconducting accelerating cavities by means of SEM-FIB and TEM / Bartova, Barbora (CERN) ; Sublet, Alban Rene Maurice (CERN) ; Taborelli, M (CERN) ; Aebersold, A B (EPFL) ; Alexander, D T L (EPFL) ; Cantoni, M (CIME) ; Calatroni, Sergio (CERN)
The Quarter Wave Resonators (QWR) high-β cavities (0.3 m diameter and 0.9 m height) are made from OFE 3D-forged copper and are coated by DC-bias diode sputtering with a thin superconducting layer of niobium [...]
CERN-ACC-Note-2015-0012.
- 2015. - 7 p.
Full text
3.
Series Superconducting Cavity Production for the HIE-ISOLDE Project at CERN / Therasse, Mathieu (CERN) ; Alberty, Luis (CERN) ; Artoos, Kurt (CERN) ; Calatroni, Sergio (CERN) ; Capatina, Ofelia (CERN) ; D'Elia, Alessandro (CERN) ; Jecklin, Noemie (CERN) ; Kadi, Yacine (CERN) ; Mondino, Irene (CERN) ; Schirm, Karl (CERN) et al.
In the context of the HIE-ISOLDE linac upgrade at CERN, the phase 1 planned to boost the energy of the machine from 3 MeV/u to 5 MeV/u. For this purpose, it is planned to install 2 cryomodules based on quarter waves resonators (QWRs) made by Niobium sputtering on Copper. [...]
CERN-ACC-2014-363.- 2014 - 3 p. - Published in : (2014) , pp. THPP131 Fulltext: PDF; External link: JACoW server
In : 27th Linear Accelerator Conference, Geneva, Switzerland, 31 Aug - 5 Sep 2014, pp.THPP131
4.
Niobium Coatings for the HIE-ISOLDE QWR Superconducting Accelerating Cavities / Jecklin, N (CERN) ; Calatroni, S (CERN) ; Delaup, B (CERN) ; Ferreira, L (CERN) ; Mondino, I (CERN) ; Sublet, A (CERN) ; Therasse, M (CERN) ; Venturini Desolaro, W (CERN)
The HIE-ISOLDE (High Intensity and Energy at ISOLDE) project is the upgrade of the existing ISOLDE (Isotope Separator On Line DEvice) facility at CERN, which is dedicated to the production of a large variety of radioactive ion beams for nuclear physics experiments. A new linear accelerator made of 20 ȕ=10.3% and 12 ȕ=6.3% quarter-wave resonators (QWR) superconducting (SC) accelerating cavities at 101 MHz will be built, and in a first phase two cryomodules of 5 high-ȕ cavities each are scheduled to accelerate first beams in 2015. [...]
2013 - 3 p. Published version from JACoW: PDF;
In : 16th International Conference on RF Superconductivity, Paris, France, 23 - 27 Sep 2013, pp.tup073
5.
Seamless Quarter Wave Resonators for HIE ISOLDE / Venturini Delsolaro, Walter (CERN) ; Miyazaki, Akira (CERN ; U. Manchester (main))
The HIE-ISOLDE post accelerator consists of 4 cryomodules with 5 niobium-coated Quarter Wave Resonators (QWR) each. The standard manufacturing technique was to machine the inner and outer conductor separately, to shrink-fit the 2 pieces and to apply an electron beam welding at the interface. [...]
CERN-ACC-2018-187.- 2018 - 5 p. - Published in : 10.18429/JACoW-LINAC2018-TU1A05 Fulltext: PDF;
In : 29th International Linear Accelerator Conference, Beijing, China, 16 - 21 Sep 2018, pp.TU1A05
6.
Characterization of Nb Coating in HIE-ISOLDE QWR Superconducting Accelerating Cavities by means of SEM-FIB and TEM / Bártová, Barbora (CERN) ; Aebersold, Arthur (Ecole Polytechnique, Lausanne) ; Alexander, Duncan (Ecole Polytechnique, Lausanne) ; Calatroni, Sergio (CERN) ; Cantoni, Marco (Ecole Polytechnique, Lausanne) ; Sublet, Alban (CERN) ; Taborelli, Mauro (CERN)
The Quarter Wave Resonators (QWR) high-β cavities (0.3m diameter and 0.9m height) are made from OFE 3D-forged copper and are coated by DC-bias diode sputtering with a thin superconducting layer of niobium. The Nb film thickness, morphology, purity and quality are critical parameters for RF performances of the cavity. [...]
CERN-ACC-2015-228.- 2015 - 4 p. - Published in : (2015) , pp. WEPHA022 Published version from JACoW: PDF; External link: JACOW
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.WEPHA022
7.
Frequency pre-tuning of the niobium-sputtered quarter-wave resonator for HIE-ISOLDE project at CERN / Zhang, P (CERN) ; D׳Elia, A (CERN ; Manchester U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Venturini Delsolaro, W (CERN) ; Artoos, K (CERN)
Superconducting quarter-wave resonators (QWRs) will be used in the superconducting linac upgrade in the frame of the HIE-ISOLDE project at CERN. The QWRs are made of bulk copper and have their inner surface covered with sputtered niobium. [...]
2015 - 9 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 797 (2015) 101-109 Elsevier Open Access article: PDF;
8.
A Seamless Quarter-wave Resonator for HIE-ISOLDE / Teixeira Lopez, Silvia (CERN) ; Fraser, Matthew (CERN) ; Garlasché, Marco (CERN) ; Mikkola, Tommi (CERN) ; Miyazaki, Akira (CERN) ; Sublet, Alban (CERN) ; Venturini Delsolaro, Walter (CERN)
The superconducting linac booster for the HIE ISOLDE project, in operation at CERN, is based on NB/Cu coated Quarter Wave Resonators. The performance of the series cavities has been limited by defects in the copper substrates close to the EB weld. [...]
2018 - 6 p. - Published in : 10.18429/JACoW-SRF2017-WEYA03 Fulltext: PDF;
In : 18th International Conference on RF Superconductivity, Lanzhou, China, 17 - 21 Jul 2017, pp.WEYA03
9.
The HIE-ISOLDE Superconducting Cavities: Surface Treatment and Niobium Thin Film Coating   / Lanza, G (CERN) ; Calatroni, S (CERN) ; Ferreira, L M A (CERN) ; Gustafsson, A E (CERN) ; Pasini, M (CERN) ; Trilhe, P (CERN) ; Palmieri, V (INFN/LNL, Legnaro)
WP: 10: SC RF technology for higher intensity proton accelerators and higher energy electron linacs
Task: 10.4: Thin Films

CERN has designed and prepared new facilities for the surface treatment and niobium sputter coating of the HIE-ISOLDE superconducting cavities. [...]
EuCARD-CON-2010-001.
- 2010.
Fulltext
10.
The Impact of Defects on Q0 for HIE-ISOLDE High-Beta Quarter-Wave Resonators / Zhang, P ; D'Elia, A ; Venturini Delsolari, W
Superconducting quarter-wave resonators (QWRs) will be used in the SC linac for the HIE-ISOLDE project at CERN. [...]
CERN-ACC-Note-2014-0034.
- 2014. - 17 p.
Full text

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