Roger Ruber
Researcher at Department of Physics and Astronomy; FREIA
- Telephone:
- +41 2 27 67 94 49, +46 18 471 77 10
- Mobile phone:
- +41 7 54 11 41 98, +46 70 167 97 71
- Fax:
- +41 2 27 66 94 47
- E-mail:
- roger.ruber@physics.uu.se
- Visiting address:
- Ångströmlaboratoriet, Lägerhyddsvägen 1
- Postal address:
- Box 516
751 20 Uppsala
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Publications
Recent publications
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Part of Nuclear Instruments and Methods in Physics Research Section A, 2026
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Cryomodule testing at Uppsala University
Part of Cryogenic Technologies at the European Spallation Source A Big Science Case Study, p. 11, Institute of Physics Publishing (IOPP), 2024
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Modeling Results of the Quench Behavior of a Nb-Ti Canted-Cosine-Theta Corrector Magnet for LHC
Part of IEEE transactions on applied superconductivity (Print), p. 1-5, 2024
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Part of Nuclear Instruments and Methods in Physics Research Section A, p. 169384, 2024
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Search for η'-mesic nuclei in 12C(p, dp) reaction with the WASA detector at GSI-FRS
Part of Nuovo cimento della societa italiana de fisica. C, Geophysics and space physics, 2024
- DOI for Search for η'-mesic nuclei in 12C(p, dp) reaction with the WASA detector at GSI-FRS
- Download full text (pdf) of Search for η'-mesic nuclei in 12C(p, dp) reaction with the WASA detector at GSI-FRS
All publications
Articles in journal
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Part of Nuclear Instruments and Methods in Physics Research Section A, 2026
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Modeling Results of the Quench Behavior of a Nb-Ti Canted-Cosine-Theta Corrector Magnet for LHC
Part of IEEE transactions on applied superconductivity (Print), p. 1-5, 2024
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Part of Nuclear Instruments and Methods in Physics Research Section A, p. 169384, 2024
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Search for η'-mesic nuclei in 12C(p, dp) reaction with the WASA detector at GSI-FRS
Part of Nuovo cimento della societa italiana de fisica. C, Geophysics and space physics, 2024
- DOI for Search for η'-mesic nuclei in 12C(p, dp) reaction with the WASA detector at GSI-FRS
- Download full text (pdf) of Search for η'-mesic nuclei in 12C(p, dp) reaction with the WASA detector at GSI-FRS
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Design and Fabrication of a Canted-Cosine-Theta Double Aperture Orbit Corrector Dipole for the LHC
Part of IEEE transactions on applied superconductivity (Print), 2023
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Part of Journal of Physics, Conference Series, 2023
- DOI for Studies of three-and four-body hypernuclei with heavy-ion beams, nuclear emulsions and machine learning
- Download full text (pdf) of Studies of three-and four-body hypernuclei with heavy-ion beams, nuclear emulsions and machine learning
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The WASA-FRS project at GSI and its perspective
Part of Nuclear Instruments and Methods in Physics Research Section B, p. 22-25, 2023
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Design of a Canted-Cosine-Theta Orbit Corrector for the High Luminosity LHC
Part of IEEE transactions on applied superconductivity (Print), 2022
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Taper Transmission Line Based Measurement—An Thru-Only De-Embedding Approach
Part of IEEE transactions on microwave theory and techniques, p. 4199-4210, 2022
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Accelerator development at the FREIA Laboratory
Part of Journal of Instrumentation, 2021
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Search for eta '-mesic nuclei using (p,d) reaction with FRS/Super-FRS at GSI/FAIR
Part of Journal of Physics, Conference Series, 2020
- DOI for Search for eta '-mesic nuclei using (p,d) reaction with FRS/Super-FRS at GSI/FAIR
- Download full text (pdf) of Search for eta '-mesic nuclei using (p,d) reaction with FRS/Super-FRS at GSI/FAIR
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Part of Physical Review Applied, 2020
- DOI for Temperature-Dependent Field Emission and Breakdown Measurements Using a Pulsed High-Voltage Cryosystem
- Download full text (pdf) of Temperature-Dependent Field Emission and Breakdown Measurements Using a Pulsed High-Voltage Cryosystem
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Characterization of a beta=0.5 double spoke cavity with a fixed power coupler
Part of Nuclear Instruments and Methods in Physics Research Section A, p. 63-69, 2019
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Feedback compensated 10 kW solid-state pulsed power amplifier at 352 MHz for particle accelerators
Part of Review of Scientific Instruments, 2019
- DOI for Feedback compensated 10 kW solid-state pulsed power amplifier at 352 MHz for particle accelerators
- Download full text (pdf) of Feedback compensated 10 kW solid-state pulsed power amplifier at 352 MHz for particle accelerators
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An 8-1 Single-Stage 10-kW Planar Gysel Power Combiner at 352 MHz
Part of IEEE Transactions on Components, Packaging, and Manufacturing Technology, p. 851-857, 2018
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Part of Microwave and optical technology letters (Print), p. 163-171, 2018
- DOI for Time Domain Characterization of High Power Solid State Amplifiers for the Next Generation Linear Accelerators
- Download full text (pdf) of Time Domain Characterization of High Power Solid State Amplifiers for the Next Generation Linear Accelerators
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Part of IET Control Theory & Applications, p. 264-267, 2018
- DOI for A new high-power low-loss air-dielectric stripline Gysel divider/combiner for particle accelerator applications at 352 MHz
- Download full text (pdf) of A new high-power low-loss air-dielectric stripline Gysel divider/combiner for particle accelerator applications at 352 MHz
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12-Way 100 kW Reentrant Cavity-Based Power Combiner With Doorknob Couplers
Part of IEEE Microwave and Wireless Components Letters, p. 111-113, 2018
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A compact 10 kW solid-state RF power amplifier at 352 MHz
Part of Journal of Physics, Conference Series, 2017
- DOI for A compact 10 kW solid-state RF power amplifier at 352 MHz
- Download full text (pdf) of A compact 10 kW solid-state RF power amplifier at 352 MHz
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Spectrometers for RF breakdown studies for CLIC
Part of Nuclear Instruments and Methods in Physics Research Section A, p. 63-71, 2016
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A Method for High-Precision Characterization of the Q-Slope of Superconducting RF Cavities
Part of IEEE transactions on microwave theory and techniques, p. 3764-3771, 2016
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Part of Advances in High Energy Physics, 2016
- DOI for The Opportunity Offered by the ESSnuSB Project to Exploit the Larger Leptonic CP Violation Signal at the Second OscillationMaximum and the Requirements of This Project on the ESSAccelerator Complex
- Download full text (pdf) of The Opportunity Offered by the ESSnuSB Project to Exploit the Larger Leptonic CP Violation Signal at the Second OscillationMaximum and the Requirements of This Project on the ESSAccelerator Complex
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Minimization of power consumption during charging of superconducting accelerating cavities
Part of Nuclear Instruments and Methods in Physics Research Section A, p. 78-85, 2015
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Measuring the full transverse beam matrix using a single octupole
Part of Physical Review Special Topics - Accelerators and Beams, 2015
- DOI for Measuring the full transverse beam matrix using a single octupole
- Download full text (pdf) of Measuring the full transverse beam matrix using a single octupole
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Part of Nuclear Physics B, p. 127-149, 2014
- DOI for A very intense neutrino super beam experiment for leptonic CP violation discovery based on the European spallation source linac
- Download full text (pdf) of A very intense neutrino super beam experiment for leptonic CP violation discovery based on the European spallation source linac
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A megawatt class compact power combiner for solid-state amplifiers
Part of Journal Electromagnetic Waves and Applications, p. 2243-2255, 2014
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Effects of rf breakdown on the beam in the Compact Linear Collider prototype accelerator structure
Part of Physical Review Special Topics - Accelerators and Beams, 2013
- DOI for Effects of rf breakdown on the beam in the Compact Linear Collider prototype accelerator structure
- Download full text (pdf) of Effects of rf breakdown on the beam in the Compact Linear Collider prototype accelerator structure
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Part of Nuclear Instruments and Methods in Physics Research Section A, p. 546-553, 2013
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Part of Physical Review Special Topics - Accelerators and Beams, 2011
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Part of Physical Review Special Topics - Accelerators and Beams, 2011
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The European Spallation Source
Part of Nuclear Instruments and Methods in Physics Research Section B, p. 3258-3260, 2011
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Exclusive measurement of the pp -> nn pi(+)pi(+) reaction at 1.1 GeV
Part of European Physical Journal A, p. 108, 2011
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eta PRODUCTION IN PROTON-PROTON COLLISIONS AT 72 MeV EXCESS ENERGY
Part of International Journal of Modern Physics A, p. 446-449, 2009
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Part of International Journal of Modern Physics A, p. 450-453, 2009
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THE pp -> d pi(+)pi(0) REACTION - A CASE OF Delta Delta EXCITATION WITHOUT ABC-EFFECT
Part of International Journal of Modern Physics A, p. 561-563, 2009
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Part of Physical Review Letters, 2009
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Part of Physics Letters B, p. 30-35, 2009
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The WASA detector facility at CELSIUS
Part of Nuclear Instruments and Methods in Physics Research Section A, p. 339-350, 2008
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Measurement of eta meson decays into lepton-antilepton pairs
Part of Physical Review D. Particles and fields, 2008
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Measurement of the eta -> pi(+)pi(-)e(+)e(-) decay branching ratio
Part of Physics Letters B, p. 299-303, 2007
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Measurement of the slope parameter for the η → 3π0 decay in the pp → ppη reaction
Part of Physical Review C. Nuclear Physics, 2007
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Exclusive measurements of pd -> He-3 pi pi: The ABC effect revisited
Part of Physics Letters B, p. 223-228, 2006
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Part of Acta Physica Slovaca, p. 285-297, 2006
Chapters in book
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Cryomodule testing at Uppsala University
Part of Cryogenic Technologies at the European Spallation Source A Big Science Case Study, p. 11, Institute of Physics Publishing (IOPP), 2024
Conference papers
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WASA-FRS EXPERIMENTS IN FAIR PHASE-0 AT GSI
Part of ACTA PHYSICA POLONICA B PROCEEDINGS SUPPLEMENT, 2023
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THE FIRST TESTS ON THE VERTICAL CRYOSTAT GERSEMI WITH THE LIQUID INSERT AT FREIA LABORATORY
Part of 16TH CRYOGENICS 2021, IIR INTERNATIONAL CONFERENCE, p. 210-215, 2021
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ESS Spoke Cavity Conditioning at FREIA
Part of Proceedings of IPAC2017, p. 1074-1076, 2017
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High power testing of the first ESS Spoke cavity Package
Part of Proceedings of the 18th International Conference on RF Superconductivity, 2017
- DOI for High power testing of the first ESS Spoke cavity Package
- Download full text (pdf) of High power testing of the first ESS Spoke cavity Package
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The Gersemi Vertical Cryostat at FREIA
Part of Cryogenics 2017, 2017
- DOI for The Gersemi Vertical Cryostat at FREIA
- Download full text (pdf) of The Gersemi Vertical Cryostat at FREIA
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Beam-based alignment studies at CTF3 using the octupole component of CLIC accelerating structures
Part of in Proceedings of the 8th International Particle Accelerator Conference (IPAC 2017), Copenhagen, Denmark, May, 2017., 2017
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RF test of ESS superconducting spoke cavities at Uppsala University
Part of Proceedings of IPAC2016, p. 791-794, 2016
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Time domain characterization of high power RFpulsed solid state amplifiers for linear accelerators
2016
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2016
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High Power RF Solid State Amplifiers at 352 MHz
2016
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Monitoring of RF high power SSA with Arduino
2016
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Test Characterization Of Superconducting Spoke Cavities At Uppsala University
p. 791-794, 2015
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2015
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PROGRESS AT THE FREIA LABORATORY
Part of Proceedings of IPAC'15, 2015
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ON THE SUITABILITY OF A SOLENOID HORN FOR THE ESS NEUTRINO SUPERBEAM
Part of Proceedings of IPAC'15, 2015
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THE ACCUMULATOR OF THE ESSnuSB FOR NEUTRINO PRODUCTION
Part of Proceedings of IPAC'15, Richmond, VA, USA, 2015
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General-purpose spectrometer for vacuum breakdown diagnostics for the 12 GHz test stand at CERN
2014
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The Momentum Distribution Of The Decelerated Drive Beam In Clic And The Two-Beam Test Stand At Ctf3
Part of Proceedings of IPAC2014, Dresden, Germany., p. 62-64, 2014
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Design of a New Horizontal Test Cryostat for Scrfcavities at the Uppsala University
Part of SRF2013: Proceedings of the 16th International Conference on RF Superconductivity, p. 325-327, 2014
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Solid-state amplifier development at FREIA
2014
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CALIFES: A Multi-Purpose Electron Beam for Accelerator Technology Tests
Part of Proceedings, 27th Linear Accelerator Conference, LINAC2014, 2014
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Recent Results from CTF3 Two Beam Test Stand
Part of Proceedings, 5th International Particle Accelerator Conference (IPAC 2014), 2014
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RF-breakdown Kicks at the CTF3 Two-beam Test Stand
p. 73-75, 2012
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Two Beam Test Stand Experiments in the CTF3 Facility
2011
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The RF Power Source for the High Beta Elliptical Cavities of the ESS Linac
2011
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Multipacting Analysis for the Superconducting RF Cavity HOM Couplers in ESS
2011
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RF Modeling Plans for the European Spallation Source
Part of , 2011
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Instrumentation for the 12 GHz Stand-alone Test-stand to Test CLIC Acceleration Structures
2011
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The CLIC Feasibility Demonstration in CTF3
Part of Proceedings of IPAC2011, 2011
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CTF3 probe beam LINAC commissioning and operations
Part of Linear Accelerator Conference LINAC2010 - ProceedingsTsukuba, Japan, p. 46-48, 2010
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First Beam Tests of the CLIC Power Extraction Structure with the Two-Beam Test Stand
2009
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Part of 10th International Symposium on Meson-Nucleon Physics and the Structure of the Nucleon (MENU 2004), Beijing, China, 29 Aug - 4 Sep 2004., p. 6, 2005
Manuscripts (preprints)
Reports
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First cold test of a crab cavity at the GERSEMI cryostat for the HL-LHC project
2020
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Cryosystem for DC spark experiments: Construction and acceptance tests
2019
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2019
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Cryogenic Performance of the Spoke Prototype Cryomodule for ESS
2019
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RF Performance of the spoke prototype cryomodule for ESS
2019
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Cryogenic Synopsis from the Testing of the Fully Equipped ESS' High Beta Cavity ESS086-P01 (Part I)
2018
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Cryogenic Synopsis from the Testing of the Fully Equipped ESS' High Beta Cavity ESS086-P01 (Part II)
2018
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First High Power Test of the ESS High Beta Elliptical Cavity package
2018
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Cryogenic Synopsis from the Testing of the Fully Equipped ESS’ Double Spoke Cavity Romea
2017
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First High Power Test of the ESS Double Spoke Cavity
2017
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Spectrometers for RF breakdown studies for CLIC
2016
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Calibration procedure for RF test
2016
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RF Test of the ESS Double Spoke Cavity
2016
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Calibration procedure for RF test
2016
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RF Test of the Hélène Single Spoke Cavity
2015
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The Cryogenic System at the FREIA Laboratory
2015
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ESS RF Source and Spoke Cavity Test Plan
2015
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RF Power Consumption in the ESS Spoke LINAC: ESS TDR Contribution
2013
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Uppsala Test Facility Project Plan
2013
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Design of the RF Distribution System for the ESS Spoke Linac
2013
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Proposal for Design and Test of a 352 MHz Spoke RF Source
2012
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Selection of RF Power Source and Distribution Scheme at 352 MHz for Spoke Cavities at ESS and FREIA
2012
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Tests of the Spoke Cavity RF Source and Cryomodules in Uppsala: ESS TDR Contribution
2012
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Power Supplies for Tetrode High Power Amplfiers at FREIA: ESS TDR Contribution
2012
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Drive Beam Phase Measurement using RF data from the PETS
2011