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11.
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12.
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High Gradient Test of a C-Band Accelerating Structure Prototype for Energy Upgrade of Frascati Photoinjector SPARC
/ Alesini, D (INFN/LNF) ; Boni, R (INFN/LNF) ; Di Pirro, G (INFN/LNF) ; Di Raddo, R (INFN/LNF) ; Ferrario, M (INFN/LNF) ; Gallo, A (INFN/LNF) ; Lollo, V (INFN/LNF) ; Marcellini, F (INFN/LNF) ; Palumbo, L (Rome University La Sapienza) ; Spizzo, V (Rome University La Sapienza) et al.
TIARA-NOTE-WP8-2011-003.-
Geneva : CERN, 2011
Fulltext: PDF;
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13.
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Design, Fabrication and High Power RF Test of a C-band Accelerating Structure for Feasibility Study of the SPARC photo-injector energy upgrade
/ Alesini, D. (INFN/LNF) ; Boni, R. (INFN/LNF) ; Di Pirro, G. (INFN/LNF) ; Di Raddo, R. (INFN/LNF) ; Ferrario, M. (INFN/LNF) ; Gallo, A. (INFN/LNF) ; Lollo, V. (INFN/LNF) ; Marcellini, F. (INFN/LNF) ; Higo, T. (KEK) ; Kakihara, K. (KEK) et al.
The energy upgrade of the SPARC photo-injector from 160 to more than 260 MeV will be done by replacing a low gradient 3m S-Band structure with two 1.4m high gradient C-band structures. The structures are travelling wave, constant impedance sections, have symmetric waveguide input couplers and have been optimized to work with a SLED RF input pulse. [...]
TIARA-CONF-WP8-2011-001.-
Geneva : CERN, 2011
Fulltext: PDF; External link: Published version from JACoW
In : 2nd International Particle Accelerator Conference, San Sebastian, Spain, 4 - 9 Sep 2011, pp.MOPC013
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14.
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Breakdown characteristics in DC spark experiments of copper focusing on purity and hardness
/ Yokoyama, Kazue (KEK, Tsukuba) ; Fukuda, Shigeki (KEK, Tsukuba) ; Higashi, Yasuo (KEK, Tsukuba) ; Higo, Toshi (KEK, Tsukuba) ; Matsumoto, Shuji (KEK, Tsukuba) ; Santiago-Kern, Ana Rocia (CERN) ; Pasquino, Chiara (CERN) ; Calatroni, Sergio (CERN) ; Wuensch, Walter (CERN)
The breakdown characteristics related to the differences in purity and hardness were investigated for several types of copper using a DC spark test system. Three types of oxygen-free copper (OFC) materials, usual class 1 OFC 7-nine large-grain copper and 6-nine hot-isotropic-pressed (HIP) copper with/without diamond finish, were tested with the DC spark test system. [...]
CERN-OPEN-2011-028; CLIC-Note-868.-
Geneva : CERN, 2010 - 4 p.
Preprint: PDF; Published version from LINAC10: PDF;
In : 25th Linear Accelerator Conference, Tsukuba, Japan, 12 - 17 Sep 2010, pp.MOP075
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15.
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16.
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Fabrication Technologies of the High Gradient Accelerator Structures at 100MV/m Range
/ Wang, Juwen (SLAC) ; Lewandowski, James (SLAC) ; Van Pelt, John (SLAC) ; Yoneda, Charles (SLAC) ; Gudkov, D (CERN) ; Riddone, Germana (CERN) ; Higo, Toshiyasu (KEK, Tsukuba) ; Takatomi, Toshikazu (KEK, Tsukuba)
A CERN-SLAC-KEK collaboration on high gradient X-band structure research has been established in order to demonstrate the feasibility of the CLIC baseline design for the main linac stably operating at more than 100 MV/m loaded accelerating gradient. Several prototype CLIC structures were successfully fabricated and high power tested [...]
2010
External link: Published version from JACoW
In : 1st International Particle Accelerator Conference, Kyoto, Japan, 23 - 28 May 2010, pp.THPEA064
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17.
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Advances in X-band TW Accelerator Structures Operating in the 100 MV/m Regime
/ Higo, Toshiyasu (KEK, Tsukuba) ; Higashi, Yasuo (KEK, Tsukuba) ; Matsumoto, Shuji (KEK, Tsukuba) ; Yokoyama, Kazue (KEK, Tsukuba) ; Adolphsen, Chris (SLAC) ; Dolgashev, Valery (SLAC) ; Jensen, Aaron (SLAC) ; Laurent, Lisa (SLAC) ; Tantawi, Sami (SLAC) ; Wang, Faya (SLAC) et al.
A CERN-SLAC-KEK collaboration on high gradient X-band accelerator structure development for CLIC has been ongoing for three years. The major outcome has been the demonstration of stable 100 MV/m gradient operation of a number of CLIC prototype structures [...]
2010
External link: Published version from JACoW
In : 1st International Particle Accelerator Conference, Kyoto, Japan, 23 - 28 May 2010, pp.THPEA013
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18.
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First high power tests of clic prototype accelerating structures with hom waveguide damping
/ Döbert, S (CERN) ; Grudiev, A (CERN) ; Riddone, G (CERN) ; Wuensch, W (CERN) ; Zennaro, R (CERN) ; Higo, T (KEK, Tsukuba) ; Matsumoto, S (KEK, Tsukuba) ; Yokoyama, K (KEK, Tsukuba) ; Adolphsen, C (SLAC) ; Wang, F (SLAC) et al.
Prototype accelerating structures for the Compact Linear Collider (CLIC) are being developed and high-power tested in collaboration between SLAC, KEK and CERN. Several undamped, low group-velocity and strongly tapered prototypes (of the so-called T18 design) have been operated above 100 MV/m average gradients at a very low breakdown rates. [...]
CERN-ATS-2010-204.-
Geneva : CERN, 2010 - 3 p.
Fulltext: PDF; Published version from LINAC10: PDF;
In : 25th Linear Accelerator Conference, Tsukuba, Japan, 12 - 17 Sep 2010, pp.MOP067
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19.
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Fabrication of a Quadrant-type Accelerator Structure for CLIC
/ Higo, T (KEK, Tsukuba) ; Grudiev, A (CERN) ; Higashi, Y (KEK, Tsukuba) ; Kawamata, H (KEK, Tsukuba) ; Riddone, G (CERN) ; Taborelli, M (CERN) ; Takatomi, T T (KEK, Tsukuba) ; Ueno, K (KEK, Tsukuba) ; Watanabe, Y (KEK, Tsukuba) ; Wuensch, Walter (CERN) et al.
2008 - 3 p.
External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.WEPP084
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20.
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Nextef: The 100MW X-band Test Facility in KEK
/ Matsumoto, S (KEK, Tsukuba) ; Akemoto, M (KEK, Tsukuba) ; Fukuda, S (KEK, Tsukuba) ; Higo, T (KEK, Tsukuba) ; Kudoh, N (KEK, Tsukuba) ; Matsushita, H (KEK, Tsukuba) ; Nakajima, H (KEK, Tsukuba) ; Shidara, T (KEK, Tsukuba) ; Yokoyama, K (KEK, Tsukuba) ; Yoshida, M (KEK, Tsukuba)
2008 - 3 p.
External link: Published version from JACoW
In : 11th European Particle Accelerator Conference, Genoa, Italy, 23 - 27 Jun 2008, pp.WEPP096
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