Name: ICFA Mini Workshop on High Order Modes in Superconducting Cavities
Start: 2014-07-14T07:30:00-05:00
End: 2014-07-16T18:00:00-05:00
Location: No location set

Monday, 14 July 2014

07:30 Transportation from hotels (Hyatt Place & Hotel Arista) to Fermilab
Transportation from hotels (Hyatt Place & Hotel Arista) to Fermilab
07:30 - 08:00

08:00 Registration
Registration
08:00 - 08:30
08:30 Welcome to Fermilab - Nigel Lockyer (FNAL)
Welcome to Fermilab
- Nigel Lockyer (FNAL)
08:30 - 08:45
Room: One West
08:45 Introduction and logistics - Vyacheslav Yakovlev (FNAL)
Introduction and logistics
- Vyacheslav Yakovlev (FNAL)
08:45 - 09:00
Room: One West
09:00
09:00 - 10:20
Room: One West
Contributions

09:00 HOMs for the Future High Intensity and CW Superconducting Accelerators - Hasan Padamsee (FNAL)

09:25 Overview of HOMs and Wakefield Issues in SC Cavities and Systems - Roger Jones (University of Manchester)

09:50 HOM damping requirements and HOM beamline load for the Cornell ERL - Matthias Liepe (Cornell University)
10:20 Coffee Break - Wilson Hall Atrium
Coffee Break - Wilson Hall Atrium
10:20 - 10:40
10:40
10:40 - 12:00
Room: One West
Contributions

10:40 XFEL HOM Specifications - Alexey Sulimov (DESY)

11:05 HOMs and wakes in LCLS-II Superconducting linac - Karl Bane (SLAC)

11:30 Overview of HOM damping in deflecting cavity - Binping Xiao (Brookhaven National Lab)
12:00

12:00 - 12:10

12:10 Lunch Break - Wilson Hall Café
Lunch Break - Wilson Hall Café
12:10 - 13:30
13:30
13:30 - 15:00
Room: One West
Contributions

13:30 Physics of wake potentials of very short bunches - Gennady Stupakov (SLAC)

13:55 Resonance HOM excitation in LCLS-II - Alexander Sukhanov (FNAL)

14:15 HOM-free deflecting cavity - Timergali Khabiboulline (FNAL)

14:40 Discussion - WG1 (J. Sekutowicz, N. Solyak)
15:00 Coffee Break - Wilson Hall Atrium
Coffee Break - Wilson Hall Atrium
15:00 - 15:20
15:20
15:20 - 17:15
Room: One West
Contributions

15:30 Introduction to WG2 - Roger Jones (University of Manchester)

15:35 Overview of HOM-based diagnostics at FLASH and the European XFEL - Nicoleta Baboi (DESY)

16:00 HOM-based diagnostics for 3.9 GHz cavities" - Nathan Eddy (FNAL)

16:15 Plans at FNAL (for HOM-based diagnostics) - Nathan Eddy (FNAL)

16:30 HOM studies on cavity alignment at KEK and DESY - Ayaka Kuramoto (KEK)

16:55 Discussion - WG2 (N. Baboi, R. Jones)
17:30

17:30 - 19:30

19:30 Transportation to hotels (Hotel Arista & Hyatt Place)
Transportation to hotels (Hotel Arista & Hyatt Place)
19:30 - 20:00
Tuesday, 15 July 2014

08:00 Transportation from hotels (Hyatt Place & Hotel Arista) to Fermilab
Transportation from hotels (Hyatt Place & Hotel Arista) to Fermilab
08:00 - 08:30
08:30
08:30 - 10:05
Room: One West
Contributions

08:30 Stability of HOM BPMs in FLASH - Liangliang Shi (DESY)

08:55 Simulation results for diagnostics in 3.9 GHz cavities - Thomas Flisgen (University of Rostok)

09:20 Measuring HOM parameters with beam for Cornell's ERL cavities - Daniel Hall (Cornell University)

09:45 Discussion - WG2 (N. Baboi, R. Jones)
10:05 Coffee Break - Wilson Hall Atrium
Coffee Break - Wilson Hall Atrium
10:05 - 10:25
10:25
10:25 - 12:25
Room: One West
Contributions

10:25 RF simulation for accurate measurements of HOM-material properties - Valery Shemelin (Cornell University)

10:50 Beam dynamics in the ESS linac under the influence of monopole and dipole modes - Aaron Farricker (University of Manchester)

11:15 HOMs in velocity-of-light spoke cavities - Christopher Hopper (ODU)

11:40 HOMs and HOM damping in RF-dipole cavities - Subashini De Silva (JLab)

12:05 Discussion - WG3 (M. Liepe, O. Napoli)
12:25 Lunch Break - Wilson Hall Café
Lunch Break - Wilson Hall Café
12:25 - 13:30
13:30
13:30 - 15:50
Room: One West
Contributions

13:30 HOM coupler for SPL project - Kai Papke (CERN)

13:55 HOM measurements at R&D ERL and developing new HOM couplers for eRHIC - Wencan Xu (BNL)

14:20 HOM survey results from JLab upgrade cryomodule production run - Jiquan Guo (JLab)

14:45 First expedience with an HOM coupler for the 56 MHz quarter wave SRF cavity - Sergey Belomestnykh (BNL)

15:10 HOM coupler heating in CW operation - Nikolay Solyak (FNAL)

15:30 Discussion - WG4 (J. Delayen, T. Khabiboulline)
15:50 Coffee Break - Wilson Hall Atrium
Coffee Break - Wilson Hall Atrium
15:50 - 16:10
16:10
16:10 - 17:55
Room: One West
Contributions

16:10 LLRF theory and vector control interaction with HOM signals - Brian Chase (FNAL)

16:30 Discussion - On phase measurements at various SC facilities

16:50 HOM transfer function measurements and other topics - Larry Doolittle (LBNL)

17:10 Discussion - On HOMs and tuning

17:30 Discussion - Design approaches to HOM receivers (B. Chase, L. Doolittle)
18:00 Workshop dinner
Workshop dinner
18:00 - 20:00

20:00 Transportation to hotels (Hotel Arista & Hyatt Place)
Transportation to hotels (Hotel Arista & Hyatt Place)
20:00 - 20:30
Wednesday, 16 July 2014

08:30 Transportation from hotels (Hyatt Place & Hotel Arista) to Fermilab
Transportation from hotels (Hyatt Place & Hotel Arista) to Fermilab
08:30 - 09:00
09:00
09:00 - 10:20
Room: One West
Contributions

09:00 Summary of WG1 (J. Sekutowicz, N. Solyak)

09:20 Summary of WG2 (N. Baboi, R. Jones)

09:40 Summary of WG3 (M. Liepe, O. Napoly)

10:00 Summary of WG4 (J. Delayen, T. Khabiboulline)
10:20 Coffee Break - Wilson Hall Atrium
Coffee Break - Wilson Hall Atrium
10:20 - 10:40
10:40
10:40 - 12:00
Room: One West
Contributions

10:40 Summary of WG5 (B. Chase, L. Doolittle)

11:00 Closing remarks - Vyacheslav Yakovlev (FNAL)
12:00 Lunch Break - Wilson Hall Café
Lunch Break - Wilson Hall Café
12:00 - 13:30

13:30 Tour of the Fermilab SRF facilities
Tour of the Fermilab SRF facilities
13:30 - 15:30

15:30 Transportation to hotels (Hotel Arista & Hyatt Place)
Transportation to hotels (Hotel Arista & Hyatt Place)
15:30 - 16:00