13th International Workshop 
on RF Superconductivity 
Peking University, Beijing, China 2007 
         
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Posters

Program ID

Title Principle Author
TUP01 A coaxial TE011 cavity and a system to measure DC and RF properties of superconductors G. Ciovati ( Jefferson Lab )
TUP02 A Database for Superconducting Cavities Paul-Dieter Gall ( DESY )
TUP03 Surface studies of the baking effect on fine, small and single grain niobium Alexander Romanenko ( Cornell University )
TUP04 Cryogenic System for the KEKB Crab Cavities Hirotaka Nakai ( KEK )
TUP05 Crystal orientation effects during fabrication of single or multi-crystal Nb SRF cavities D. Baars ( Dept. Mech. Eng. MSU )
TUP07 Frequency and Length Adjusting of Dumbbell for the PEFP Low ¦Â SRF Cavity Gao Changyi ( PEFP, Korea Atomic Energy Research Institute )
TUP08 Gradient limits and SCRF performance Jim Norem ( Argonne )
TUP09 High Power conditioning of the Input Coupler for BEPCII Superconductor Cavity W.M. Pan ( IHEP )
TUP10 HIGH RELIABLE SURFACE TREATMENT RECIPE OF HIGH GRADIENT SINGLE CELL SUPERCONDUCTING CAVITIES AT KEK Fumio Furuta ( KEK )
TUP11 Lorentz-Force-Induced Deformation and Motion of High Gradient SRF Structures Yuichi Morozumi ( KEK )
TUP12 MAGNETIC AND ELECTRICAL PROPERTIES OF SINGLE CRYSTAL NIOBIUM FOR RF CAVITIES Waldemar Singer ( DESY )
TUP13 Measurement of RF losses due to trapped flux in a large-grain niobium cavity Gianluigi Ciovati ( Jefferson Lab )
TUP14 Measurement of the high-field Q-drop in a large-grain niobium cavity for different oxidation processes Gianluigi Ciovati ( Jefferson Lab )
TUP15 Multipacting Study of Ichiro end Cavity Ilmoon Hwang ( Kyoungpook national university,republic of Korea )
TUP16 ON THE DEPENDENCE OF THE Q-VALUE ON THE ACCELERATING GRADIENT FOR SUPERCONDUCTING CAVITIES Wolfgang Weingarten ( CERN )
TUP17 Preliminary results on ¡°polarized¡± buffered chemical polishing of a large-grain niobium cavity Gianluigi Ciovati ( Jefferson Lab )
TUP18 Recent XPS Studies of the Effect of Processing on Nb SRF Surfaces Hui Tian ( JLab & College of William and Mary )
TUP19 Results from a 850 C Heat Treatment and Operational Findings from the 3 GHz SRF Cavities at the S-DALINAC Ralf Eichhorn ( TU-Darmstadt S-DALINAC )
TUP20 Review of high field Q-slope, surface measurements Alexander Romanenko ( Cornell University )
TUP21 RF Cavity Performance for the ISAC-II Superconducting Linac Robert Laxdal ( TRIUMF )
TUP22 RF cavity results confronting Gurevich's non-linear BCS resistance formulation Rong-Li Geng ( Jefferson Lab )
TUP23 Status of KEK Superconducting Cavities Shinji Mitsunobu ( KEK High Energy Accelerator )
TUP24 Studies of the high field anomalous losses in small and large grain niobium cavities Alexander Romanenko ( Cornell University )
TUP25 Study on Multipacting in High Gradient SRF Structures Yuichi Morozumi ( KEK )
TUP26 Study on the thermal behaviors of SRF cavity Z.G. Zong ( IHEP )
TUP27 Systematic Trends for the Medium Field Q-Slope Justin Vines ( Cornell University )
TUP28 1.3 GHz cavity weld to helium vessel A. Schmidt ( DESY Hamburg )
TUP29 THERMAL DESIGN STUDIES OF NIOBIUM SRF CAVITIES Ahmad Aizaz ( Michigan State University/NSCL )
TUP30 Update on Cavity Preparation for High Gradient Super Conducting multi cell Cavities at DESY B. van der Horst ( DESY Hamburg )
TUP31 Update on EP experiences at DESY and Industrialization of the Electro Polishing Process at DESY M. Schmokel ( DESY Hamburg )
TUP32 Update on Quality Control for the DESY Cavity Preparation Axel Matheisen ( DESY Hamburg )
TUP33 Update on the JARI 1 Project Results of Electro-polishing of Multicell Super Conducting Resonators Steinhau K¨¹hl ( DESY Hamburg Germany, * INFN Leganaro Italy )
TUP34 Wake Fields in 9-Cell TESLA Accelerating Structures: Spectral Element Discontinuous Galerkin(SEDG) Simulations Misun Min ( Argonne National Laboratory )
TUP35 Inpedance simulation and waveguide dampingstudy of a superconducting deflecting cavity for ALS at LBNL Jiaru Shi ( Tsinghua University )
TUP36 A new electropolishing system at ANL for superconducting quarter-wave resonators Scott Gerbick ( Argonne National Laboratory )
TUP38 A novel sputtered medium beta cavity for ALPI S. Stark ( INFN-LABORATORI NAZIONALI DI LEGNARO )
TUP39 Basic Research on the 1.3 GHz Superconducting Cavity for the ERL Main Linacs Takaaki Furuya ( KEK )
TUP40 CW Operation of superconducting TESLA cavities W. Anders ( BESSY )
TUP41 Damping of Higher Order Modes in High Gradient SRF Structures Yuichi Morozumi ( KEK )
TUP42 DESIGN and ANALYSIS of a MEGAWATT CLASS SUPERCONDUCTING PHOTOINJECTOR CAVITY Douglas Holmes ( Advanced Energy Systems Inc. )
TUP43 DESIGN and FABRICATION of a MEGAWATT CLASS SUPERCONDUCTING PHOTOINJECTOR Michael Cole ( Advanced Energy Systems Inc. )
TUP44 Development and RF Test Results of a new HF and H2SO4 free Electro Polishing Method for Superconducting Niobium Cavities Michael Pekeler ( ACCEL )
TUP45 Development of a Digital Self-Excited Loop for Field Control in High-Q Superconducting Cavities Jean Delayen ( Thomas Jefferson National Accelerator Facility )
TUP46 Development of Low Beta Superconducting Twin Quarter Wave Resonator Hiroshi Kabumoto ( Japan Atomic Energy Agency )
TUP47 Diagnostic Instrumentation for the Fermilab Vertical Cavity Test Facility Camille Ginsburg ( Fermilab )
TUP48 DRY-ICE CLEANING: THE MOST EFFECTIVE CLEANING PROCESS FOR SRF CAVITIES? Detlef Reschke ( DESY )
TUP49 ECR plasma cleaning: an in-situ processing technique for rf cavities G. Wu ( Fermilab )
TUP50 Effect of 400 C "In-situ" Baking and Subsequent Air Exposures on 1500 MHz Single Cell Superconducting Radiofrequency Cavities Grigory Eremeev ( Cornell University )
TUP51 Electropolishing on single and multi-cells: COMSOL Modelling Melanie Bruchon ( CEA Saclay )
TUP52 FABRICATION OF 1.3 GHZ 9-CELL CAVITY BY HYDROFORMING Waldemar Singer ( DESY )
TUP53 FABRICATION OF SINGLE CRYSTAL NIOBIUM CAVITIES Waldemar Singer ( DESY )
TUP54 FIELD TUNING AND HOMS MEASUREMENT OF THE 9-CELL ICHIRO COPPER CAVITY MODEL J. Wu ( Tsinghua University )
TUP55 Fine Grain and Large Grain Niobium Cavity Prototyping for a Proton Linac Walter Hartung ( Michigan State University )
TUP56 First Experiments with a NbZr ¨Cbased Superconducting Joint Peter Kneisel ( Jefferson Lab )
TUP57 First Fermilab Results of SRF Cavity Lorentz Force Detuning Compensation Using a Piezo Tuner Ruben Carcagno ( Fermilab )
TUP58 First cold tests of the beta=0.12 ladder resonator at LNL Giovanni BISOFFI ( INFN ¨C LABORATORI NAZIONALI DI LEGNARO )
TUP59 FROM MULTISTUB RESONATORS TO INTERMODULATION MEASUREMENTS: SRF ACTIVITIES AT ANU IN 2005-2007 Nikolai R. Lobanov ( Australian National University )
TUP60 HIGH POWER INPUT COUPLERS FOR THE STF BASELINE CAVITY SYSTEM AT KEK Eiji Kako ( KEK )
TUP61 Highly-oriented film growth in SRF cavities Daniel Bowring ( University of Virginia )
TUP62 Hydrodynamic Thermal Modeling of 9-cell ILC Cavity Electropolishing and Implications for Improving the EP Process Charles Reece ( Jefferson Lab )
TUP63 INITIAL EXPERIENCE IN OPERATING THE SRF CRYOMODULES FOR ERLP Shrikant Pattalwar ( STFC, Daresbury Laboratory )
TUP64 Initial tests of Atomic Layer Deposition (ALD) in superconducting rf systems M. Pellin ( ANL )
TUP65 JLab CW Cryomodules for 4th Generation Light Sources Robert Rimmer ( JLab )
TUP66 Low emittance polarized electron source based on Superconducting RF gun Rong Xiang ( FZD )
TUP67 Niobium Quarter-Wave Resonator Development for a Heavy Ion Re-accelerator Walter Hartung ( Michigan State University )
TUP68 Optimisation of a 1/2 cell high average current gun for 4GLS Carl Beard ( STFC Daresbury Laboratory )
TUP69 Optimization of Baking Parameters for Electropolished Niobium superconducting Cavities Bernard Visentin ( CEA Saclay )
TUP70 Optimization of the BCP Processing of Elliptical Nb SRF Cavities Germano Galasso ( FNAL )
TUP71 Parameters Investigation for Niobium Electro-Polishing Fabien Eoz¨¦nou ( CEA Saclay )
TUP72 Piezo-Assisted Blade Tuner: Cold Test Results Carlo Pagani ( INFN )
TUP73 Plasma treatment of bulk Nb surface in the Ar/Cl2 discharge Marija Raskovic ( Department of Physics, Old Dominion University )
TUP74 Progress of the Test Cavity Program for the European XFEL Arne Brinkmann ( DESY )
TUP75 PROGRESS ON CAVITY FABRICATION FOR THE ATLAS ENERGY UPGRADE J.D. Fuerst ( ANL )
TUP76 PROTOTYPING OF SPOKE CAVITIES AND AUXILLIARY SYSTEMS FOR THE INTERMEDIATE ENERGY SECTION OF THE EURISOL DRIVER Sebastien BOUSSON ( IPN Orsay )
TUP77 Recent experience with nine-cell cavity performance at DESY Detlef Reschke ( DESY )
TUP78 Cryomodules and cavities development for the spiral2 superconducting linac Guillaume Olry ( IPN Orsay )
TUP79 Parameters Investigation for Niobium Electro-Polishing Fabien Eoz¨¦nou ( CEA Saclay )
TUP80 Single Cell Electro-Polishing at CEA Saclay: First Results Fabien Eoz¨¦nou ( CEA Saclay )
TUP81 Stiffened medium beta 704 MHz elliptical cavity for pulsed proton linac P. Bosland ( CEA Saclay )
TUP82 Researches on large grain SC cavities at Peking University Jiankui Hao ( IHIP£¬Peking University )
TUP83 Fabrication studies on multi-cell TESLA-type cavity Xiangyang Lu ( IHIP£¬Peking University )
TUP84 Introduction of 9 cell accelerator at Peking University Zhenchao Liu ( IHIP£¬Peking University )
TUP85 Development of single cell Superconducting Elliptical Cavity (b=0.45) and SRF Test Facility in IHEP F.C. Zhao ( IHEP )
WEP01 Studies of Alternative Techniques for Niobium Cavity Fabrication Christopher Compton ( National Superconducting Cyclotron Laboratory, Michigan State University )
WEP02 Superconducting RF Photocathode Gun for Low Emittance Polarized Electron Beams Douglas Holmes ( Advanced Energy Systems Inc. )
WEP03 SUPERCONDUCTING STORAGE CAVITY AT 56 MHz FOR RHIC Ilan Ben-Zvi ( Brookhaven National Laboratory )
WEP04 Surface Roughness Characterization of Niobium Subjected to Incremental BCP and EP Processing Steps Hui Tian ( JLab & College of William and Mary )
WEP05 TESTING THE FLASH SUPERCONDUCTING ACCELERATING MODULES D Kostin ( DESY, Notkestrasse 85, 22607 Hamburg, Germany )
WEP06 SPIRAL 2 COUPLER PREPARATION AND RF CONDITIONING T. Cabanel ( CNRS/IN2P3-UJF-INPG )
WEP07 The Cornell ERL Main Linac Concept Matthias Liepe ( Cornell University )
WEP08 Upgrade of the PIAVE-ALPI linac low-beta section at LNL D. Zenere ( INFN-LNL )
WEP09 Vacuum Sealing Problem of ISE Cavity with large beam tube Juho Hong ( POSTECH )
WEP10 VERTICAL TEST RESULTS ON THE STF BASELINE 9-CELL CAVITIES AT KEK E. Kako ( KEK )
WEP11 Parameter measurement of 2cell superconducting cavity Shen xuming ( Institute of Applied electronics, CAEP )
WEP12 Design of the Compact High Average Current DC-SC Photo-injector at PKU Feng Zhu ( IHIP, School of Physics, Peking University )
WEP13 Cavity Diagnostic System for the vertical test of the Baseline SC Cavity in KEK-STF Y. Yamamoto ( KEK )
WEP14 Commissioning and Early Operating Experience with the Fermilab Horizontal Test Facility R. Carcagno ( Fermilab )
WEP15 Initial Results from Fermilab¡¯s Vertical Test Stand for SRF Cavities R. Carcagno ( Fermilab )
WEP16 Commissioning of BEPCII superconducting RF system Sun Yi ( IHEP )
WEP17 Considerations on the third harmonic rf of the European XFEL E. Vogel ( DESY )
WEP18 Cryogenic system for acceptance tests of SRF cavities of BEPCII Z. G. Zong ( IHEP )
WEP19 Cryogenic System for BEPCII Superconducting Cavity Yaping Liu ( IHEP )
WEP20 325 MHz power couplers of spokes cavities for modular, multiple power levels QuanSheng Shu ( AMAC Inc. Newport News, VA 23606 )
WEP21 Electrical axes of TESLA cavities Anton Labanc ( DESY )
WEP22 Electron activity interlock for XFEL input couplers Anton Labanc ( DESY )
WEP23 Fabrication and Test of the 500MHz SC Modules for the BEPCII Z.Q. Li ( IHEP )
WEP24 Field emission from single crystal and large grain Nb cathodes Arti Dangwal ( Berg. Universitat Wuppertal )
WEP25 Final Tests and Commissioning of the 400MHz LHC Superconducting Cavities Pierre Maesen ( CERN )
WEP26 High Power Tests of Input Couplers for Cornell ERL Injector V. Veshcherevich ( Cornell University )
WEP27 Horizontal Tests for Crab Cavities in KEKB Y. Yamamoto# ( KEK )
WEP28 Latest Results of ILC High-Gradient R&D 9-cell Cavities at JLAB R.L. Geng ( JLAB )
WEP29 Status and plans for an ILC accelerator test facility at Fermilab Michael Church ( FNAL )
WEP30 New HOM coupler design for ERL injector at KEK K. Watanabe ( KEK )
WEP31 Optimization of the SRF Cavity Design for the CEBAF 12 GeV Upgrade C. Reece ( Jefferson Lab )
WEP32 Performance of the CEBAF Prototype Cryomodule Renascence C. E. Reece ( Jefferson Lab )
WEP33 REALISATION OF A PROTOTYPE SUPERCONDUCTING CW CAVITY AND CRYOMODULE FOR ENERGY RECOVERY P. A. McIntosh ( STFC Daresbury Laboratory )
WEP34 Research and development of 1.3 GHz low loss cavities made of China large grain at IHEP Z. G. Zong ( IHEP )
WEP35 RF Superconductivity Activities of PEFP An Sun ( Korea Atomic Energy Research Institute )
WEP36 High Current, Large Aperture, Low HOM, Single Crystal Nb,2.85GHz SRF Cavity Q.S. Shu ( AMAC Inc. )
WEP37 Nondistructive Testing Instrument of Dished Nb Sheets for SRF Cavities Based on SQUID Technology Q. S. Shu ( AMAC Inc. )
WEP38 SSRF Superconducting RF System Jianfei Liu ( SSRF )
WEP39 Status of 9-cell ILC cavity processing/testing at Cornell W.J. Ashmanskas ( FNAL )
WEP40 Status of beta=0.12 quarter wave resonator for radioactive beams production at Spiral2 facility G. Martinet ( IPNO )
WEP41 Status of the 3.9 GHz SCRF Effort at Fermilab Elvin Harms ( Fermilab )
WEP42 Status of the ILC Crab Cavity Development G. Burt ( Cockcroft Institute )
WEP43 Status of the Superconducting RF Photo-Injector Development Friedrich Staufenbiel ( FZD )
WEP44 The commissioning of BEPCII RF system G.W. Wang ( IHEP )
WEP45 The first processing of capacitive-coupling coupler at room temperature in a cryomodule at STF T. Saeki ( KEK )
WEP46 The manufacture of the SSRF higher harmonic cavity MA Guangming ( SSRF )
WEP47 BCP SYSTEM FOR THE ANL-FNAL SCSPF A. Rowe ( Fermilab )
WEP48 DESIGN AND FABRICATION OF SUPERCONDUCTING CAVITIES FOR INDUSTRIALIZATION K. Sennyu ( MHI KOBE )
WEP49 Flexible Application of the JLab Pansophy Information System for Project Reports, Process Monitoring, and R&D Sample Tracking Valerie Bookwalter ( Jefferson Lab )
WEP50 Input Couplers for KEKB Crab Cavities K.Nakanishi ( KEK )
WEP51 Some fabrication issues on the spare high power input coupler for BEPCII SCC T.M. Huang ( IHEP )
WEP52 SRF activities at ACCEL Instruments M. Pekeler ( ACCEL )
WEP53 OPERATION OF THE SOLEIL RF SYSTEM P. Marchand ( SOLEIL )
WEP54 A Tuner for a Superconducting CH-prototype cavity A. Bechtold ( IAP, Frankfurt University )
WEP55 Beam-induced RF modes and RF power in the crab cavity for KEKB Y. Morita ( KEK )
WEP56 Cavity and Linac RF and detuning control simulations Axel Neumann ( BESSY GmbH )
WEP57 Commissioning and Beam Operation of KEKB Crab-RF System K. Akai ( KEK )
WEP58 Investigation of Passive Stabilization and Different Tuning Systems for TESLA Cavities with Respect to CW Operation O. Kugeler ( Bessy )
WEP59 Conceptual design considerations of a 5-cell dual-axis SRF cavity for ERLs Chun-xi Wang ( Argonne National Lab )
WEP60 Construction and Processing of the Variable RF Power Couplers for the LHC Superconducting Cavities Eric Montesinos ( CERN )
WEP61 Design of the magnetic shield for TRASCO low beta elliptical cavities Paolo Pierini ( INFN Milano-LASA )
WEP62 Diagnosis, Analysis, and Resolution of Thermal Stability Issues with HOM Couplers on Prototype CEBAF SRF Cavities C. E. Reece ( Thomas Jefferson National Accelerator Facility )
WEP64 EFFICIENT FAN-OUT RF POWER DISTRIBUTION ALGORITHM WITH COMPLETE RF VECTOR CONTROL FOR SRF ACCELERATORS Y. W. Kang ( SNS )
WEP65 Study on the buffered electropolishing Jacquet layers on niobium cavity Erdong Wang ( IHIP)
WEP66 HIGH PRESSURE RINSING SYSTEM STUDIES D. Sertore ( INFN Milano - LASA )
WEP67 Low-Level RF Control of Microphonics in Superconducting Spoke-Loaded Cavities Z.A. Conway ( Argonne National Laboratory )
WEP68 Measurement of transfer function by dynamic Lorentz force detuning Axel Neumann ( BESSY GmbH )
WEP69 MgB2 Thin Films on Nb Cavity by Pulse Laser Deposition S.Mitsunobu ( KEK )
WEP70 Nb Coating of Copper cavities by UHV Cathodic arc Roberto Russo ( ICIB-CNR and INFN )
WEP71 Numerical Simulation of the Electropolishing process Germano Galasso ( FNAL )
WEP72 Operation Status of the KEKB Superconducting Accelerating Cavity Takaaki Furuya ( KEK )
WEP73 OPERATIONAL EXPERIENCE OF THE DIAMOND SCRF SYSTEM Morten Jensen ( Diamond Light Source )
WEP74 Particle free pump down and venting of UHV vacuum systems Kirsten Zapfe ( DESY )
WEP76 Performance of rf amplifiers for ISAC-II medium beta linac operation A. K. Mitra ( TRIUMF )
WEP77 Field Reconstruction by Passband Frequency Measurement at the Rossendorf SRF-Gun Cavity A. Arnold ( FZD )
WEP78 Design of a 9-Cell Cavity ILC Test Cryomodule in China Q. J. Xu ( IHEP, CAS )
WEP79 SCATTERING MATRIX CALCULATION OF HIGHER ORDER MODES AND SENSITIVITY TO CAVITY FABRICATION ERRORS FOR ILC SUPERCONDUCTING CAVITIES Ian. Shinton ( University of Manchester/Cockcroft Institute )
WEP80 SIMULATION OF TRANSVERSE HIGHER ORDER DEFLECTING MODES IN THE MAIN LINACS OF ILC C.J. Glasman ( University of Manchester/Cockcroft Institute )
WEP81 Tests Of Air Cooled 1.3 GHz Waveguide Windows Using A RF-Coupler Test Bench Based On A Resonant Ring H.B¨¹ttig ( FZD )
WEP82 The Measurements of Static Heat Loss and Unloaded Q0 on the BEPCII SRF Cavities BIAN Lin ( IHEP )
WEP83 The prototype cryomodule for the EUROTRANS program S. Barbanotti ( INFN Milano-LASA )
WEP84 The test bench for the power amplifiers of the Spiral-2 SC linac M. Di Giacomo ( GANIL )
WEP85 Waveguide coupler kick to beam bunch and current dependency on SRF Cavities G. Wu ( FNAL )
WEP86 Niobium sample surface treatment by Buffered Electropolishing Song Jin ( IHIP, School of Physics, Peking University )
WEP230 FABRICATION AND TEST OF THE 500MHZ SC MODULES FOR THE BEPCII Z.Q. Li ( IHEP )