CALIFES Workshop 2016
It has been proposed to convert the 200 MeV S-band electron linac CALIFES, currently being part of the CLIC Test Facility 3 (CTF3), into a new general stand alone electron beam facility at CERN.
The foreseen use of such a facility is not linked to any particular project or technology. On the contrary we seek input and ideas from the widest possible user community about its use. This workshop is organised to explore the potential accelerator R&D programme at such a facility. The purpose is 1) to collect ideas, suggestions and proposals for accelerator R&D topics, including 2) ideas for possible improvements of the beam line itself beyond its initial configuration. It is also important to explore possible collaborations, complementarity or overlaps with other European electron beam facilities.
For the purpose of the workshop the period 2017-2021 will be considered, following the completion of the overall CTF3 programme by the end of 2016.
The workshop will be divided into a number of sessions, led by a session chair :
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High gradient research (Walter Wuensch, CERN)
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Beam instrumentation (Thibaut Lefevre, CERN)
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Light source related R&D (Sven Reiche, PSI)
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THz radiation (Massimo Petrarca, University of Rome "La Sapienza" and Roma1- INFN)
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Impedance measurements (Benoit Salvant, CERN)
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Plasma wakefield acceleration (Erik Adli, University of Oslo)
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Radiation tests (Markus Brugger, CERN)
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Other ideas, including for long term facility improvements (Roberto Corsini, CERN)
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Education and training (Carsten Welsch, University of Liverpool).
The workshop will be followed up by a summary document, including and based on short written reports from the session chairs, covering the ideas, proposals and discussions in the respective sessions. This will provide a basis for CERN's decisions about a potential implementation of the facility.
Participants who would like to present ideas or proposal for CALIFES are encouraged to contact the session chairs listed above, with CC to the local organizing committee "CALIFES-LOC@cern.ch" (click on the session chair name above).
We are looking for the widest possible participation and encourage in particular the involvement of young colleagues.
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Welcome and introduction 503/1-001 - Council Chamber
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Practical informationSpeaker: Erik Adli (University of Oslo (NO))
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Beam Instrumentation 503/1-001 - Council ChamberConvener: Thibaut Lefevre (CERN)
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Beam Diagnostics R&D - IntroductionSpeaker: Thibaut Lefevre (CERN)
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BI developments for CLIC/HilumiSpeaker: Stewart boogert (Royal Holloway, University of London)
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CLIC Wake-Field Monitor experimental TestsSpeaker: Reidar Lunde Lillestol (CERN/Uni. Oslo)
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Optical Transition Radiation Interferometry (OTRI) experiment in CALIFESSpeaker: Stefano Mazzoni (CERN)
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4:05 PM
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Impedance measurement 503/1-001 - Council ChamberConvener: Benoit Salvant (CERN)
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IntroductionSpeaker: Benoit Salvant (CERN)
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Experience from FACET impedance measurements and application to CALIFESSpeaker: Andrea Latina (CERN)
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Charge dependent effect in CALIFESSpeaker: Wilfrid Farabolini (CEA/IRFU,Centre d'etude de Saclay Gif-sur-Yvette (FR))
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Convener: Markus Brugger (CERN)
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IntroductionSpeaker: Markus Brugger (CERN)
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Radiation test challenges with high-energy electronsSpeaker: Ruben Garcia Alia (CERN)
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VESPER status and outlookSpeaker: Maris Tali (European Space Res. & Tech. Cent. (NL))
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CERN/EP - High-energy electron experimental beams for detectors
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7:00 PM
Dinner Restaurant N°1
Restaurant N°1
CERN
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Light source related R&D 503/1-001 - Council ChamberConvener: Sven Reiche (Paul Scherrer Institute)
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IntroductionSpeaker: Sven Reiche (Paul Scherrer Institute)
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CLARA needs and XBand TestingSpeaker: Prof. Jim Clarke (STFC)
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FEL THz pumpSpeaker: Jurgen Pfingstner (Technische Universitaet Graz-Unknown-Unknown)
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10:00 AM
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Convener: Massimo Petrarca
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IntroductionSpeaker: Massimo Petrarca (University of Rome: "Sapienza")
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THz radiation using Diffraction Cherenkov radiationSpeaker: Thibaut Lefevre (CERN)
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Unipolar Pulses of Light from a Tapered UndulatorSpeaker: Vitaliy Goryashko (U)
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THz R&D and ConclusionsSpeaker: Massimo Petrarca (University of Rome: "Sapienza")
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12:10 PM
Lunch and CALIFES visit Restaurant N°1
Restaurant N°1
CERN
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High Gradient Research 503/1-001 - Council ChamberConvener: Walter Wuensch (CERN)
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From Two-to-One beam test standSpeaker: Marek Jacewicz (Uppsala University (SE))
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The effect of beamloading on breakdown rateSpeaker: Frank Tecker (CERN)
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Very High Energy Electron (VHEE) Simulations and Planned Experiments for a Potential New Paradigm in Radiotherapy TreatmentSpeaker: Agnese Lagzda (Manchester University)
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Induced multipactor experiments satellite communication developmentSpeaker: Benito Gimeno (University of Valencia)
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Superconducting RF Structures R&D and testing with beamSpeaker: Frank Gerigk (CERN)
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3:40 PM
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Plasma Wakefield Acceleration 503/1-001 - Council ChamberConvener: Erik Adli (University of Oslo (NO))
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AWAKE plans and possible use of CALIFESSpeaker: Edda Gschwendtner (CERN)
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Apochromatic plasma lens latticesSpeaker: Mr Carl Lindstrøm (University of Oslo)
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Emittance preservation studiesSpeaker: Sebastien Corde (LOA and Ecole Polytechnique)
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Plasma-based bunch compression techniquesSpeaker: Spencer Gessner (Physics Department-University of California)
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Compact plasma based beam dumpSpeaker: guoxing xia (University of Manchester)
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Existing equipment at Cockcroft Institute; emittance growth due to scattering in plasma.Speaker: Oznur Mete (Lancaster University (GB))
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Education and Training 503/1-001 - Council ChamberConvener: Carsten Peter Welsch (Cockcroft Institute / University of Liverpool)
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Introduction and ITNSpeaker: Carsten Peter Welsch (Cockcroft Institute / University of Liverpool)
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JUASSpeaker: Philippe Lebrun (CERN)
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Experience from JUASSpeaker: Wilfrid Farabolini (CEA/IRFU,Centre d'etude de Saclay Gif-sur-Yvette (FR))
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Cockroft DATA projectSpeaker: Steven Patrick Jamison (STFC)
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10:10 AM
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Short-term and long-term facility improvements 503/1-001 - Council ChamberConvener: Roberto Corsini (CERN)
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CALIFES past experience as a user facilitySpeaker: Wilfrid Farabolini (CEA/IRFU,Centre d'etude de Saclay Gif-sur-Yvette (FR))
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Very short bunches, possible injector for AWAKE or CALIFESSpeaker: Steffen Doebert (CERN)
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12:00 PM
Lunch Restaurant N°1
Restaurant N°1
CERN
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Discussions and close-out 503/1-001 - Council Chamber
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Wrap-up, SummarySpeakers: Erik Adli (University of Oslo (NO)), Steinar Stapnes (CERN)
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Discussion
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