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Commissioning of X-LAB: a very high-capacity X-band RF test stand facility at the University of Melbourne
/ Volpi, Matteo (Melbourne U.) ; Giansiracusa, P J (Melbourne U.) ; Sheehy, S L (Melbourne U. ; ANSTO, Menai) ; Williams, S D (Melbourne U.) ; Rassool, R P (Melbourne U.) ; Taylor, G (Melbourne U.) ; Pushkarna, P (Melbourne U.) ; Dowd, R T (ANSTO, Menai) ; Zingre, K (ANSTO, Menai) ; Boronat, M (CERN) et al.
The Compact Linear Collider (CLIC) beam-based acceleration baseline uses high-gradient travelling wave accelerating structures at a frequency of 12 GHz. In order to prove the performance of these structures at high peak power and short pulse width RF, two klystron-based test facilities will been put in operation this year. [...]
2024 - 5 p.
- Published in : J. Phys. : Conf. Ser.: 2687 (2024) , no. 7, pp. 072001
- Published in : JACoW IPAC: 2023 (2023) , pp. THOGA1
Fulltext: PublicationJACoW - PDF; PublicationIOP - PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.072001
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2.
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High-Power Test of Two Prototype X-Band Accelerating Structures Based on SwissFEL Fabrication Technology
/ Millar, William L (CERN) ; Grudiev, Alexej (CERN) ; Wuensch, Walter (CERN) ; Lasheras, Nuria Catalan (CERN) ; McMonagle, Gerard (CERN) ; Zennaro, Riccardo (PSI, Villigen) ; Craievich, Paolo (PSI, Villigen) ; Bopp, Markus (PSI, Villigen) ; Lucas, Thomas G (PSI, Villigen) ; Volpi, Matteo (CERN ; Melbourne U.) et al.
This article presents the design, construction, and high-power test of two X -band radio frequency (RF) accelerating structures built as part of a collaboration between CERN and the Paul Scherrer Institute (PSI) for the compact linear collider (CLIC) study. The structures are a modified “tuning-free” variant of an existing CERN design and were assembled using Swiss free electron laser (SwissFEL) production methods. [...]
2023 - 19 p.
- Published in : IEEE Trans. Nucl. Sci. 70 (2023) 1-19
Fulltext: PDF;
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Radiation Shielding Design for the X-Band Laboratory for Radio-Frequency Test Facility - X-Lab - at the University of Melbourne
/ Volpi, Matteo (Melbourne U.) ; Banon-Caballero, David (Valencia U., IFIC) ; Boronat, Marça (CERN) ; Catalán Lasheras, Nuria (CERN) ; Dowd, Rohan (ANSTO, Menai) ; Rassool, Roger (Melbourne U.) ; Sheehy, Suzanne (Melbourne U.) ; Taylor, Geoffrey (Melbourne U.) ; Williams, Scott (Melbourne U.)
Here we report radiation dose estimates calculated for the X-band Laboratory for Accelerators and Beams (X-LAB) under construction at the University of Melbourne (UoM). The lab will host a CERN X-band test stand containing two 12 GHz 6 MW klystron amplifiers. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 724-727
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.724-727
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4.
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The Southern Hemisphere’s First X-Band Radio-Frequency Test Facility at the University of Melbourne
/ Volpi, Matteo (Melbourne U.) ; Boland, Mark J (Saskatchewan U., CLS) ; Catalán Lasheras, Nuria (CERN) ; Dowd, Rohan (ASP, Melbourne) ; González Antón, Sergio (CERN) ; McMonagle, Gerard (CERN) ; Rassool, Roger P (Melbourne U.) ; Sheehy, Suzanne L (Melbourne U.) ; Stapnes, Steinar (CERN) ; Taylor, Geoffrey N (Melbourne U.) et al.
The first Southern Hemisphere X-band Laboratory for Accelerators and Beams (X-LAB) is under construction at the University of Melbourne, and it will operate CERN X-band test stand containing two 12GHz 6MW klystron amplifiers. By power combination through hybrid couplers and the use of pulse compressors, up to 50 MW of peak power can be sent to any of 2 test slots at pulse repetition rates up to 400 Hz. [...]
Geneva : JACoW, 2021 - 4 p.
- Published in : JACoW IPAC '21 (2021) 3588-3591
Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.3588-3591
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5.
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Dark current analysis at CERN’s X-band facility
/ Banon Caballero, David (Valencia U., IFIC ; CERN) ; Boronat, Marça (Valencia U., IFIC ; CERN) ; Catalán Lasheras, Nuria (CERN) ; Faus-Golfe, Angeles (Orsay, LAL) ; Gimeno, Benito (Valencia U., IFIC) ; Lucas, Thomas (Melbourne U. ; CERN) ; Millar, William (Lancaster U. ; CERN) ; Paszkiewicz, Jan (U. Oxford (main) ; CERN) ; Pitman, Sam (CERN) ; Sánchez, Victoria (Valencia U., IFIC ; CERN) et al.
Dark current is particularly relevant during operation in high-gradient linear accelerators. Resulting from the capture of field emitted electrons, dark current produces additional radiation that needs to be accounted for in experiments. [...]
CERN-ACC-2019-212; CERN-ACC-2019-270; CLIC-Note-1190.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-WEPRB059
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPRB059
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6.
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High power conditioning of X-band variable power splitter and phase shifter
/ del Pozo Romano, Veronica (CERN) ; Bursali, Hikmet (CERN) ; Catalán Lasheras, Nuria (CERN) ; Grudiev, Alexej (CERN) ; Pitman, Sam (CERN) ; Serpico, Claudio (Sincrotrone Trieste) ; Syratchev, Igor (CERN) ; Volpi, Matteo (Melbourne U. ; CERN)
The three X-band test facilities currently at CERN aim at qualifying CLIC structures prototypes but are also extensively used to qualify X-band components operation at high power. In order to upgrade one of the facilities from a single test line to a double test line facility, a high power variable splitter and variable phase shifter have been designed and manufactured at CERN. [...]
CERN-ACC-2019-222; CLIC-Note-1192.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-WEPRB064
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPRB064
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7.
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8.
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High Gradient Performance of an S-Band Backward Traveling Wave Accelerating Structure for Medical Hadron Therapy Accelerators
/ Vnuchenko, Anna (Valencia U., IFIC) ; Benedetti, Stefano (CERN) ; Blanch Gutiérrez, Cesar (Valencia U., IFIC) ; Catalán Lasheras, Nuria (CERN) ; Esperante Pereira, Daniel (Valencia U., IFIC) ; Faus-Golfe, Angeles (Orsay, LAL) ; Grudiev, Alexej (CERN) ; Koubek, Benjamin (CERN) ; Lucas, Thomas (U. Melbourne (main)) ; McMonagle, Gerard (CERN) et al.
The high-gradient performance of an accelerating structure prototype for a medical proton linac is presented. The structure was designed and built using technology developed by the CLIC collaboration and the target application is the TULIP (Turning Linac for Proton therapy) proposal developed by the TERA foundation. [...]
CERN-ACC-2018-130; CLIC-Note-1148.-
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-MOPML043
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPML043
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9.
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Initial Testing of Techniques for Large Scale Rf Conditioning for the Compact Linear Collider
/ Lucas, Thomas (Melbourne U. ; CERN) ; Boland, Mark (Saskatchewan U., CLS) ; Catalán Lasheras, Nuria (CERN) ; Giansiracusa, Paul (Melbourne U.) ; Grudiev, Alexej (CERN) ; Lefèvre, Thibaut (CERN) ; McMonagle, Gerard (CERN) ; Paszkiewicz, Jan (Oxford U. ; CERN) ; Rassool, Roger (Melbourne U.) ; Serpico, Claudio (Sincrotrone Trieste) et al.
Nominal operating conditions for the Compact Linear Collider (CLIC) 380 GeV requires 72 MV/m loaded accelerating gradients for a 180 ns flat-top pulse. Achieving this requires extensive RF conditioning which past tests have demonstrated can take several months per structure, when conditioned at the nominal repetition rate of 50 Hz. [...]
CERN-ACC-2018-137; CLIC-Note-1144.-
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-THPMK103
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPMK103
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10.
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High Power and High Repetition Rate X-band Power Source Using Multiple Klystrons
/ Volpi, Matteo (Melbourne U. ; CERN) ; Boland, Mark (Saskatchewan U., CLS) ; Catalán Lasheras, Nuria (CERN) ; Giansiracusa, Paul (Melbourne U.) ; Grudiev, Alexej (CERN) ; Lucas, Thomas (Melbourne U. ; CERN) ; McMonagle, Gerard (CERN) ; Paszkiewicz, Jan (Oxford U. ; CERN) ; Rassool, Roger (Melbourne U.) ; Serpico, Claudio (Sincrotrone Trieste) et al.
In July 2016, the first X-band test facility operating with two interwoven, 6 MW klystron pulses was commissioned at CERN. Outputting up to 46 MW after pulse compression, the new test stand allows testing of two structures concurrently with repetition rates up to 400 Hz in each line. [...]
CERN-ACC-2018-138.-
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-THPMK104
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPMK104
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