ICFA mini-Workshop on “Electromagnetic wake fields and impedances in particle accelerators"

from Wednesday 23 April 2014 (21:00) to Monday 28 April 2014 (18:00)


        : Sessions
    /     : Talks
        : Breaks
23 Apr 2014
24 Apr 2014
25 Apr 2014
26 Apr 2014
27 Apr 2014
28 Apr 2014
AM
08:00
Workshop registration (until 09:00) ()
09:00
Welcome address (V.G. Vaccaro, Naples) (until 09:15) ()
09:15 From the primary concept of coupling impedance to the most recent generalization - S. Danilov (ORNL) (ORNL)   ()
Slides
09:15
Session 1: Impedance theory and related effects - Metral (CERN) E (CERN) (until 11:25) ()
10:15 --- Coffee break ---
10:35 Review of all impedance-induced collective effects (RF heating, instabilities, etc.) - G. Rumolo (CERN) (CERN)   ()
Slides
11:25 Computational electrodynamics - State of the art and future - T. Weiland (TUD) (TUD)   ()
Slides
11:25
Session 2: Impedance numerical simulations - Masullo (Naples) M.R R. Wanzenberg (DESY) (DESY) (until 15:50) ()
09:00 E-cloud impedance - F. Zimmermann (CERN) (CERN)   ()
Slides
09:00
Session 4: Extensions of the impedance concept - Blaskiewicz (BNL) M (until 10:30) ()
09:45 CSR impedance - A. Novokhatski (SLAC) (SLAC)   ()
Slides
10:30 --- Coffee break ---
10:50 Challenges for the CERN projects (LIU, HL-LHC and FCC) - E. Shaposhnikova (CERN) (CERN)   ()
Slides
10:50
Session 5: Impedance challenges for new projects - Qin (IHEP) Q (until 15:20) ()
11:30 Challenges for the FAIR project at GSI - O. Boine-Frankenheim (GSI) (GSI, Darmstadt, Germany)   ()
Slides
09:00
Session 7: Space charge and resistive-wall impedances - Chin (KEK) Y.H (KEK) Stupakov (SLAC) G (S) (until 12:20) ()
09:00 The geometry effect of the space charge impedance - L. WANG (SLAC)   ()
Slides
09:30 2D wall impedance theory - N. Mounet (CERN) (CERN)   ()
Slides
10:00 Impedance of a ceramic break and its resonance structure - Y. SHOBUDA (J-PARC)   ()
Slides
10:30 --- Coffee break ---
10:50 Analytical methods for inserts of finite length as benchmarkers - N. Biancacci (CERN) (Universita e INFN, Roma I (IT))   ()
Slides
11:20 Impedance computation in the frequency domain - U. Niedermayer (TUD) (T)   ()
Slides
11:50 High frequency transverse beam transfer functions - M. BLASKIEWICZ (BNL)   ()
Slides
08:00
Full-day excursion (until 18:00) ()
09:00 Impedance studies and mitigation techniques for LHC collimators and kickers - H. Day (CERN) (University of Manchester (GB))   ()
Slides
09:00
Session 10: Impedance of collimators and kickers - Rumolo (CERN) G (CERN) (until 12:10) ()
09:40 Geometrical beam coupling impedance of LHC collimators - M. Zobov (FRASCATI)   ()
Slides
10:20 --- Coffee break ---
10:40 Kickers: simulations, theories, measurements and mitigation techniques - C. Zannini (CERN) (CERN)   ()
Slides
11:20 The SNS extraction kicker impedance - J. HOLMES (ORNL)   ()
Slides
PM
21:00
Get-Together-Party (location: San Rocco cloister) (until 23:00) ()
12:25 --- Lunch ---
14:20 GdFidL - W. Bruns (BERLIN) (Technische Universitaet Berlin)   ()
Slides
14:50 ABCI - Y.H. Chin (KEK) (KEK)   ()
Slides
15:20 ECHO2(3)D - I. Zagorodnov (DESY)   ()
Slides
15:50 --- Coffee break ---
16:10 History and development of bench measurement techniques for impedance evaluation - A. Mostacci (ROME) F. Caspers (CERN)   ()
Slides
16:10
Session 3: Impedance bench and beam-based measurements - Van Rienen (Rostock) U (until 17:50) ()
17:00 Review of all the beam-based measurement techniques - V. Sajaev (ANL) (ANL)   ()
Slides
18:00
Not all, but a bit of all about Sicily - Vaccaro (Naples) V.G (Universita e INFN (IT)) (until 18:50) ()
12:10 --- Lunch ---
14:00 Challenges for synchrotron light sources - R. Nagaoka (SOLEIL) (Synchrotron SOLEIL)   ()
Slides
14:40 Challenges for the XFEL project at DESY - I. ZAGORODNOV (DESY)   ()
Slides
15:20 --- Coffee break ---
15:40 Impedance model of a machine and associated challenges - B. Salvant (CERN) (CERN)   ()
Slides
15:40
Session 6: Building the impedance model of a machine - Boine-Frankenheim (GSI) O (GSI, Darmstadt, Germany) (until 18:10) ()
16:30 Progress and challenges of high frequency diffraction limit in wakefield theory - G. STUPAKOV (SLAC)   ()
Slides
17:20 Impedance, its allies, and the beam guards - A. Burov (FNAL) (Fermi National Accelerator Lab. (US))   ()
Slides
20:30
Banquet (until 23:30) ()
12:20 --- Lunch ---
14:10
Session 8: Geometrical impedance - Caspers (CERN) F (CERN) (until 15:40) ()
14:10 Tapered transitions dominating the PETRA III impedance model - R. Wanzenberg (DESY) (DESY)   ()
Slides
14:40 Impedance of a rough surface vacuum chamber - A. Novokhatski (SLAC) (SLAC)   ()
Slides
15:10 Impedances of holes and slots - S. De Santis (LBNL) (LBNL)   ()
15:40 --- Coffee break ---
16:30
Session 9: Impedance of diagnostic structures - De Santis (LBNL) S (LBNL) (until 18:30) ()
16:30 The synchrotron light monitor of the LHC - M. Wendt (CERN) (CERN)   ()
Slides
17:00 Simulation studies for BPM and striplines - A. MORGAN (DLS)   ()
Poster
Slides
17:30 Optimization of electrode shape for a stripline BPM - Y.H. Chin (KEK) (KEK)   ()
Slides
18:00 Diagnostics devices in SLS and European XFEL: An intuitive view on wakes and impedances - M. Dehler (PSI) (PSI)   ()
Slides
18:30
Poster session (until 20:00) ()
12:00 A trapped mode of the PEP-II emittance spoiler - A. Novokhatski (SLAC) (SLAC)   ()
Slides
12:10 --- Lunch ---
14:30 Impedance theory and related effects - E. Metral (CERN) (CERN)   ()
Slides
14:30
Session 11: Summaries - Vaccaro (Naples) V.G (Universita e INFN (IT)) (until 17:00) ()
14:40 Impedance numerical simulations - R. Wanzenberg (DESY) (DESY) M.R. MASULLO (NAPLES)   ()
Slides
14:55 Impedance bench and beam-based measurements - U. VAN RIENEN (ROSTOCK)   ()
Slides
15:05 Extensions of the impedance concept - M. Blaskiewicz (BNL)   ()
Slides
15:15 Challenges for new projects - Q. QINQ (IHEP)   ()
Slides
15:30 Building the impedance model of a machine - O. Boine-Frankenheim (GSI) (GSI, Darmstadt, Germany)   ()
Slides
15:40 Space charge and resistive-wall impedances - Y.H. Chin (KEK) G. Stupakov (SLAC)   ()
Slides
15:55 --- Coffee break ---
16:15 Geometrical impedance - F. Caspers (CERN) (CERN)   ()
Slides
16:25 Impedance of diagnostics structures - S. De Santis (LBNL) (LBNL)   ()
16:35 Impedance of collimators and kickers - G. Rumolo (CERN) (CERN)   ()
Slides
16:45 Final discussion and concluding remarks   ()