SCRF Meeting

21 Apr 2008, 08:00 → 25 Apr 2008, 18:00 America/Chicago

One North, Wilson 1st floor (FNAL)

Akira Yamamoto ((KEK))

Minutes FNAL-SCRF-meeting-memo-080421-5-v2.doc FNAL-SCRF-meeting-memo-080421-5-v2.pdf

Monday 21 April

Cavity Process

WebEx information WebEx_info.doc WebEx_info.pdf

1 Opening Remarks/Introduction

Speaker: A. Yamamoto

A. Yamamoto SCRFmeeting-Intr-ay-080421.pdf SCRFmeeting-Intr-ay-080421.ppt

2 Highlights from regions:

-S0, process and test for Ichiro-5 Cavity -Optical inspection device

Speaker: R. Geng, Y. Iwashita

R. Geng/Iwashita

• GDESCRF0804optV1a.pdf
• SCRF_MeetingFNAL_April212008_JLab_S0HighGradientReport.pdf
• SCRF_MeetingFNAL_April212008_JLab_S0HighGradientReport.ppt

10:30 break

3 Study Status , Concise, focus on standard for understanding

-Asia -Americas -Europe (XFEL)

Speaker: E. Kako, F. Furuta, C. Ginsberg, L.Lilje

E. Kako/F. Furuta/C. Ginsburg/G. Ciovati

• 20080421_GDES0_Ginsburg.pdf
• 20080421_GDES0_Ginsburg.ppt
• 21Apr2008(furuta_KEK).pdf
• 21Apr2008(furuta_KEK).ppt
• Final_Cavity_Status_(Kako),_SCML-Meeting_at_FNAL,_2008_Apr._21.ppt
• Thermometry_in_support_of_ILC_R&D_program.pdf
• Thermometry_in_support_of_ILC_R&D_program.ppt

L. Lilje EU_SCRF_Status_LL.pdf EU_SCRF_Status_LL.ppt

12:30 lunch

4 Plans at each lab, and philosophy for evaluating performance, inspection, diagnostics at each region

(incl. facility,capacity common use): KEK, FNAL, Jlab, DESY, Cornell, and, Kyoto ….

Speaker: Hayano, Champion, Rimmer, Lilje, Padamsee , Iwashita

H. Hayano/ Enami/ Iwashita/ M. Champion/ JLab

• Champion21Apr2008.pdf
• Champion21Apr2008.ppt
• ENAMI.pdf
• ENAMI.ppt
• GDESCRF0804EddyTmap.pdf
• JLab_ILC_FY09_Plan_Apr_08_sum.pdf
• STF_plan_for_HG_v1.pdf

15:30 break

5 Strategies for Global R&D Plan (S0),

-35 MV/m with yield of 50 % for TDP-1 and -35 MV/m with yield of 90 % for TDP-2

Speaker: L.Lilje

Slides EU_SCRF_Highlights_LL.pdf EU_SCRF_Highlights_LL.ppt

Tuesday 22 April

Cavity Intergration

WebEx information WebEx_Info_-_April_22.doc WebEx_Info_-_April_22.pdf

6 Tuner

-Lorentz detuning, and discussions -Ball-screw-tuner test results (for LL cavity) -Blade-tuner (update) and/or any others status/proposal? -Reliability of the motor and the Maintenability

Speakers: Akira Yamamoto (High Energy Accelerator Research Organization (KEK)), Carlo Pagani (INFN Milano LASA), S. Noguchi, T. Saeki

Y. Yamamoto/T. Saeki/C. Pagani/S. Noguchi

• 20080421SCRF-FNAL-saeki-final.pdf
• Comments_on_Availability.pdf
• Comments_on_Availability.ppt
• C.Pagani_Blade_Tuner.pdf
• Lorentz_Detuning_Calculation_STF@FNAL_SCRF_Mtg.pdf
• Lorentz_Detuning_Calculation_STF@FNAL_SCRF_Mtg.ppt

10:30 break

7 Discussions for tuner functional specification and comparison table

Speaker: Hitoshi Hayano (KEK)

Slides Cavity_Tuner_spec_Apr2008.pdf Cavity_Tuner_spec_Apr2008.ppt

12:30 lunch

8 Coupler:

-XFEL coupler: industrial assessment, and industrialization -Fixed/variable coupler : cost difference : technical issues -Requirements from RF power distribution system in view of MLI -Discussions on coupler specification and interface

Speaker: S. Prat, S. Noguhi, E. Kako, C. Adolphsen, Led by H. Hayano

S. Prat/S. Noguchi/E. Kako/H. Hayano

• Final_Fixed_Coupler_(Kako),_SCML-Meeting_at_FNAL,_2008_Apr._22.pdf
• Input_coupler_spec_Apr2008.pdf
• Input_coupler_spec_Apr2008.ppt
• LAL_for_XFEL-_Fermilab-08.pdf
• LAL_for_XFEL-_Fermilab-08.ppt
• Maximum_Gradient_Operation.pdf
• Maximum_Gradient_Operation.ppt

9 Project X R&D at Fermilab

Accelerator Physics and Technology Seminar *Note Location Change*

10 Cavity-string test in cryomodule (S1 and S1-global)

-S1 plan at FNAL -S1-global plan - Work required at KEK and global assembly (technical feasibility) - Cooperation with FNAL / Cooperation with DESY

Speaker: S.Mishra,M. Champion, N. Ouchi, D. Mitchell, L.Lilje

S. Mishra/N. Ohuchi

• S1-Global_study（20080422）.ppt
• S1_S1-global_SRF_Meeting_Fermilab-sm.pdf
• S1_S1-global_SRF_Meeting_Fermilab-sm.ppt

Wednesday 23 April

Cryomodule/Cryogenics

WebEx information WebEx_Info_-_April_23.doc WebEx_Info_-_April_23.pdf

11 Cryomodule: functional parameters and interfaces

Speaker: N. Ohuchi, H, Carter

Slides CryomoduleSpec(20080423).pdf CryomoduleSpec(20080423).pptx

12 Plug-compatibility (for cavity and cryomodule, HLRF):

- Interfaces (CAD-work boundary condition) of plug-compatible design - Parameters tables for interfaces

Speaker: D. Mitchell,H. Hayano,N. Ouchi

D. Mitchell/S. Nagaitsev/S. Prat/N. Ohuchi/E.Daly

• Interfaces_XFEL_coupler.pdf
• Interfaces_XFEL_coupler.ppt
• NagaitsevSCRFapr2008.pdf
• NagaitsevSCRFapr2008.PPT
• Plug_compatibility-and-EDMS-Mitchell-2.pdf
• Plug_compatibility-and-EDMS-Mitchell-2.ppt
• Plug_Compatible_IF(20080423).pdf
• Plug_Compatible_IF(20080423).ppt
• RWFlangeClamp.pdf
• RWFlangeClamp.ppt

10:45 break

13 Discussions

Conclusion/Consensus (Table filled) and Further study required

Speaker: Led by Ohuchi and Carter

12:30 lunch

14 High Pressure Gas Regulation

-Requirements and the regional constraints (How to handle Nb: summary of survey based on e-mail communication). -Comments and discussions for further works

Speaker: T. Peterson, H. Nakai, K. Jensch

Slides

• 20080423Agenda.pdf
• 20080423Agenda.ppt
• C100_Helium_Vessel.pdf
• C100_Helium_Vessel.ppt
• JLAB_Pressure_Systems_Considerations.pdf
• JLAB_Pressure_Systems_Considerations.ppt
• Module_Overview_and_Crashtest.pdf

15:00 break

15 Thermal balance in cryomodule/cryogenics

-5 K shield study at TTF cryomodule design -5 K shield study at STF cryomodule design -Lowering radiation shield (80K) temperature -Discussions and conclusion/consensus

Speaker: P. Pierini, Led by Ohuchi and Peterson

Slides

• 20080423-TTF_Modeling.pdf
• 20080423-TTF_Modeling.ppt
• 5KshieldDiscussion23Apr08.pdf
• 5KshieldDiscussion23Apr08.ppt
• 5K-Shield-Study(SCRF-FNAL).20080423.pdf
• 5K-Shield-Study(SCRF-FNAL).20080423.ppt

16 Comments

Speaker: H. Padamsee

Thursday 24 April

HLRF (&LLRF), MLI

WebEx information WebEx_Info_-_April_24.doc WebEx_Info_-_April_24.pdf

17 HLRF: functional parameters and interfaces

Speaker: S. Fukuda

Slides FNAL08_Intro(福田)_.ppt

18 Optimal Ql &Pk Settings for all Beam Currents

Speaker: J. Branlard

Slides Brain2008_04_24_slides_presentation-1.pdf Brain2008_04_24_slides_presentation-1.ppt

19 Talk on RF overheads at TTF(TBD)

Speaker: Dr Stefan Simrock (DESY)

Slides FNAL0804_HLRF_LLRF_power2.pdf FNAL0804_HLRF_LLRF_power2.ppt

20 Maximum Gradient Operation(TBD)

Speaker: S. Noguchi

Slides Maximum_Gradient_Operation.ppt

21 LLRF for ILC and S1

Speaker: S. Michizono

Slides FNAL0804_HLRF_LLRFD.pdf FNAL0804_HLRF_LLRFD.ppt

22 Plan and timetable of LLRF at NML

Speaker: Mr Brian Chase (FNAL)

Slides LLRF_at_NML_Chase.ppt.pdf LLRF_at_NML.ppt.pdf

23 Discussion with following subjects

-Necessary cooperation with LLRF; status and requirements (TBD) -LLRF cooperation expected to STF and S1-global work at KEK -Discussions and strategy to reflect the work for TDP R&D activities,

10:50 break

24 HLRF progress for the XFEL

Speaker: S. Choroba

Slides XFEL_HPRF_STATUS_APRIL_2008.pdf

25 Design and R&D status at SLAC and plan for NML (including circulator, tunability)

Speaker: C. Nantista

Slides ChrisN.SCRFMeeting_PDS.pdf ChrisN.SCRFMeeting_PDS.ppt

26 Design and R&D status at KEK and preparation for STF and S1-global

Speaker: S. Fukuda

Slides FNAL08_Present(福田)_.ppt

12:20 lunch

27 Status of the SBK development

Speaker: E. Jongewaard

Slides LSBKDevelopmentStatus04_24_08.pdf

28 Status of the Marx development

Speaker: C. Burkhart

Slides Marxupdate042408rev2.pdf

29 Discussions and strategy to reflect the work for TDP R&D activities

15:00 break

30 Gradient for various RF dist systems and cost of Dist components

Speaker: Chris Adolphsen (SLAC)

Slides Adolphsen_-_Relative_RF_Dist_Costs.pdf Adolphsen_-_Relative_RF_Dist_Costs.ppt

31 Overview of Quad and BPM development at SLAC

Speaker: Chris Adolphsen (SLAC)

Slides Adolphsen_-_MLI_Issues_Update.pdf Adolphsen_-_MLI_Issues_Update.ppt

32 Quadrupole R&D at FNAL and CIEMAT

Speaker: V. Kashikhin

Slides MLQuad_FNAL_Meeting_Kashikhin_042508c.pdf MLQuad_FNAL_Meeting_Kashikhin_042508c.ppt

33 Progress on BPM development at FNAL and Saclay

Speaker: M. Wendt

Slides ColdBPM.pdf ColdBPM.ppt

34 Update of Beam Dynamics studies relevant to the Main Linac

Speaker: P. LeBrun

Slides ReportGDEFNALApril08.pdf ReportGDEFNALApril08.ppt

35 Discussion

Friday 25 April

Summary and Work Assignment

WebEx information WebEx_Info_-_April_25.doc WebEx_Info_-_April_25.pdf

36 Requirements for the Summary and Work Assignment

Speaker: A. Yamamoto

37 Cavity Process, Cavity Integration

Speaker: L. Lilje, H. Hayano

L. Lilje/ H. Hayano

• Cavity_system_summary_APR2008FNAL.pdf
• Cavity_system_summary_APR2008FNAL.ppt
• S0S1_Strategy_Summary.pdf
• S0S1_Strategy_Summary.ppt

10:30 break

38 Cryomodule and cryogenics, HLRF, MLI

Speaker: N. Ouchi/T. Peterson, S. Fukuda, C. Adolphsen

N. Ohuchi/T. Peterson/S. Fukuda/C. Adolphsen

• Adolphsen_-_MLI_Summary.pdf
• Adolphsen_-_MLI_Summary.ppt
• Conclusions-TomP-25Apr08.pdf
• Conclusions-TomP-25Apr08.ppt
• Fukuda-HLRF-FNAL08_Summary.pdf
• Fukuda-HLRF-FNAL08_Summary.ppt
• Summary_of_Cryomodule_by_N.O,..pdf
• Summary_of_Cryomodule_by_N.O,..pptx

12:30 lunch

39 General Summary

-Functional Parameters -General guide-line for plug-compatibility -Common interface parameters (consensus) -Works for further consensus General Comments Closing Remark

Speaker: Led By Yamamoto, H. Padamsee

Slides SCRFmeeting-Summary-080425.pdf SCRFmeeting-Summary-080425.ppt

15:30 Adjorn

40 Group Leaders Meeting