Name: Workshop on Linac Operation with Long Bunch Trains
Start: 2010-02-22T09:00:00+01:00
End: 2010-02-24T13:05:00+01:00
Location: DESY

Workshop on Linac Operation with Long Bunch Trains

from Monday 22 February 2010 (09:00) to Wednesday 24 February 2010 (13:05)

Monday 22 February 2010
09:00
09:00 - 10:30
Room: Sem. R. 1, Bldg. 1
Contributions

09:00 Welcome remarks - Reinhard Brinkmann (DESY)

09:15 Status of long-bunch trains in FLASH - Nicholas Walker (DESY)

10:00 Outlook for FLASH and FLASH 2 - Siegfried Schreiber (DESY)
10:30 Coffee
Coffee
10:30 - 11:00
Room: Sem. R. 1, Bldg. 1
11:00
11:00 - 12:00
Room: Sem. R. 1, Bldg. 1
Contributions

11:00 ILC goals for FLASH - Marc Ross (Fermilab)

11:20 XFEL goals for FLASH - Torsten Limberg (DESY)

11:40 FLASH photon users opportunities for long bunch trains - Josef Feldhaus (DESY)
12:00 Lunch
Lunch
12:00 - 14:00
Room: Canteen
14:00
14:00 - 15:50
Room: Sem. R. 1, Bldg. 1
Contributions

14:00 Data available from 9mA run (DAQ and analysis tools) - Tim Wilksen (DESY)

14:15 Beam stability and beam loss issues - John Carwardine (Argonne)

14:35 LLRF 9mA operations and data analysis - I - Valeri Ayvazyan (DESY)

14:55 LLRF 9mA operations and data analysis - II - Gustavo Cancelo (FNAL)

15:15 Dumpline instrumentation - Nicoleta Baboi (DESY)

15:35 Discussion
15:50 Coffee
Coffee
15:50 - 16:20
Room: Sem. R. 1, Bldg. 1
16:20
16:20 - 17:40
Room: Sem. R. 1, Bldg. 1
Contributions

16:20 WG 1: FLASH setup, tuning & operations - Bart Faatz (HASYLAB) John Carwardine (Argonne)

16:30 WG 2: FLASH Feedback & Control - Holger Schlarb (DESY) Valeri Ayvazyan (DESY)

16:40 WG 3: ILC (9mA) Studies at FLASH - Nikolay Solyak (Fermilab) Shinichiro Michizono (KEK)

16:50 WG 4: DAQ & Controls - Ned Arnold (Argonne) Tim Wilksen (DESY)

17:00 Discussion
Tuesday 23 February 2010
09:00
09:00 - 10:30
Room: Sem. R. 1, Bldg. 1
Contributions

09:00 Session introduction, WG goals - Bart Faatz (DESY)

09:05 An operation model for rapid tuning and recovery - John Carwardine (Argonne)

09:15 Low-loss tuning issues from 9mA studies - Nicholas Walker (DESY)

09:35 Injector setup, tuning, matching experience with long bunch trains - Siegfried Schreiber (DESY)

09:50 Discussion
09:00 - 10:30
Room: Sem.R. 3, Bldg. 1b
Contributions

09:00 Summary of structure and functionality of SIMCON firmware and DOOCS - Wojciech Jalmuzna (DESY)

09:20 LLRF firmware upgrade for FLASH - Waldemar Koprek (DESY)

09:40 LLRF front-end server, FSM and beam pattern implementation - Olaf Hensler (DESY)

10:00 Discussion
09:00 - 10:30
Room: Sem.R. 3a, Bldg. 1b
Contributions

09:00 HOM absorber studies - Jacek Sekutowicz (DESY)

09:20 Study of absorber effectiveness in ILC cavities - Chris Adolphsen (SLAC) Karl Bane (SLAC)

09:40 Discussion
09:00 - 10:40
Room: Room 362, Bldg. 30b
Contributions

09:00 Introduction to WG4 sessions: scope and goals - Ned Arnold (Argonne)

09:10 Review DAQ Survey results: Presentation of results and brief discussion - Ned Arnold (Argonne) Tim Wilksen (DESY)

09:25 Experience with use cases using MATLAB - Ned Arnold (Argonne)

09:40 Experience with use cases using SDDS - Robert Soliday (ANL)

09:55 Experience with use cases and FLASH DAQ tools - Vladimir Rybnikov (DESY)

10:10 Discussion
10:40 Coffee
Coffee
10:40 - 11:00
Room: Sem. R. 1, Bldg. 1
11:00
11:00 - 12:40
Room: Sem. R. 1, Bldg. 1
Contributions

11:00 Session introduction - Bart Faatz (DESY)

11:05 Single bunch diagnostics - Christopher Gerth (DESY)

11:20 Transverse diagnostics - Nicoleta Baboi (DESY)

11:35 Energy measurements in the bypass line - Raimund Kammering (DESY)

11:50 LLRF setup and tuning for long bunch trains - Valeri Ayvazyan (DESY)

12:20 Discussion
11:00 - 12:45
Room: Sem.R. 3, Bldg. 1b
Contributions

11:00 Latest results on beam loaded experiments at FLASH - Chris Adolphsen (SLAC) Shilun Pei

11:15 Results of high-gradient study - Shinichiro Michizono (KEK)

11:30 High gradients with 9mA beam - Julien Branlard (FNAL)

11:45 Discussion
11:00 - 12:40
Room: Sem.R. 3a, Bldg. 1b
Contributions

11:00 Continue talks on use case experience (if necessary)

11:20 Discussion and brainstorming usign survey and use case experiences focusing on a) Acquisition of data, b) Auto- or preprocessing of data and c) Tools or accessing and analyzing data

11:50 Option: Join LLRF setup and tuning talk of WG1 - Valeri Ayvazyan (DESY)

12:10 Discussion and brainstorming using survey and use case experiences focusing on a) Acquisition of Data, b) Auto- or preprocessing of data and c) Tools or accessing and analyzing data
11:00 - 12:10
Room: Sem. R. 1, Bldg. 1
Contributions

11:00 LLRF high-level applications - Zheqiao Geng (DESY)

11:20 Stability of Master oscillator + frequency distribution systems - Henning-Christof Weddig (DESY)

11:40 Discussion
12:40 Lunch
Lunch
12:40 - 14:00
Room: Canteen
14:00
14:00 - 15:30
Room: Sem. R. 1, Bldg. 1
Contributions

14:00 Session introduction - John Carwardine (Argonne)

14:05 Optics, orbit, dispersion - Eduard Prat (DESY)

14:25 FLASH Save/Restore - Pedro Castro (DESY)

14:40 Role of beam-based feedback in machine setup and recovery, eg ACC1 phase/amplitude - Christopher Gerth (DESY Hamburg, MPY)

14:55 Discussion
14:00 - 15:30
Room: Sem.R. 3, Bldg. 1b
Contributions

14:00 Piezo tuner experiences from the 9mA studies - Mariusz Grecki (DESY)

14:15 Cavity resonance frequency measurement - Waldemar Koprek (DESY)

14:30 High beam loading operation of 3rd harmonic module - Elmar Vogel (DESY)

14:45 Consideration on ILC cavity field gradient and the operational margin - Akira Yamamoto (KEK)

14:50 Discussion
14:00 - 15:30
Room: Sem.R. 3a, Bldg. 1b
Contributions

14:00 Join WG1 (Save/Restore talk and Behrens talk)

15:00 Brainstorming on online DAQ/data use cases - prepare joint WG1 + WG4 session
15:40 Coffee
Coffee
15:40 - 16:00
Room: Sem. R. 1, Bldg. 1
16:00
16:00 - 18:00
Room: Sem. R. 1, Bldg. 1
Contributions

16:00 Session introduction - Tim Wilksen (DESY)

16:15 TINE archiver tool for online operations - Mark Lomperski (DESY)

16:30 Online operations use-cases of DAQ - Ned Arnold (Argonne) Tim Wilksen (DESY)

16:45 Offline data analysis use-cases of DAQ - Ned Arnold (Argonnne National Laboratory) Tim Wilksen (DESY)

17:00 Discussion
16:00 - 18:20
Room: Sem.R. 3, Bldg. 1b
Contributions

16:00 Study of stability requirements for ILC bunch compressor (best off-crest) - Nikolay Solyak (Fermilab)

16:15 Comparison between ILC spec. and FLASH 9mA study - Brian Chase (FNAL)

16:30 Future works for long-pulse high beam loading demonstration - Gustavo Cancelo (FNAL)

16:45 Discussion
19:00 Dinner in the DESY Bistro
Dinner in the DESY Bistro
19:00 - 22:00
Room: Bistro, Bldg. 9
Wednesday 24 February 2010

09:00

09:00 - 10:30
Room: Sem. R. 1, Bldg. 1

09:00 - 10:30
Room: Sem.R. 3, Bldg. 1b

09:00 - 10:30
Room: Sem.R. 3a, Bldg. 1b

09:00 - 10:30
Room: Room 362, Bldg. 30b

10:30 Coffee
Coffee
10:30 - 11:00
Room: Sem. R. 1, Bldg. 1
11:00
11:00 - 13:00
Room: Sem. R. 1, Bldg. 1
Contributions

11:00 WG-1 summary - Bart Faatz (DESY) John Carwardine (Argonne)

11:20 WG-2 summary - Holger Schlarb (DESY) Valeri Ayvazyan (DESY)

11:40 WG-3 summary - Nikolay Solyak (Fermilab) Shinichiro Michizono (KEK)

12:00 WG-4 summary - Ned Arnold (Argonne) Tim Wilksen (DESY)

12:20 Wrap-up (future plans) - Siegfried Schreiber (DESY)

12:50 Closing remarks
13:00

13:00 - 13:05
Room: Sem. R. 1, Bldg. 1

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