ILC ML & SCRF Baseline Technical Review (ML & SCRF BTR)

Name: ILC ML & SCRF Baseline Technical Review (ML & SCRF BTR)
Start: 2012-01-19T09:00:00+09:00
End: 2012-01-20T18:00:00+09:00
Location: KEK Tsukuba

19 Jan 2012, 09:00 → 20 Jan 2012, 18:00 Japan

The 4th Building Seminar Hall (KEK Tsukuba)

The 4th Building Seminar Hall

KEK Tsukuba

1-1 Oho, Tsukuba, 305-0801, Japan

Description

The meeting is to be organized as a step for the ILC Global Design Effort (ILC-GDE) to reach the Technical Design Report by the end of 2012. The GDE project management and KEK Linear Collider Office will co-chair the meeting to coordinate the ILC ML & SCRF Baseline Technical Review (ML & SCRF BTR).

Participants

44 View full list

Thursday 19 January
- Thu 19 Jan
- Fri 20 Jan
- 09:00 → 10:15
  Welcome Address & Guideline for Main Linac and SCRF
  
  Convener: Dr Marc Ross (FNAL)
  - 09:00
    
    Status and Prospect for ILC at KEK, Japan 20m
    
    Speaker: Atsuto Suzuki (KEK)
    
    Slides
  - 09:20
    
    Summary of design update proposal 55m
    
    Speaker: Prof. Akira Yamamoto (KEK)
    
    Slides
- 10:15 → 10:45
  
  Meeting Photo/Coffee/Tea 30m
- 10:45 → 12:15
  ML Integration
  
  Convener: Chris Adolphsen (SLAC)
  - 10:45
    
    Open issues on linac design 10m
    
    Speaker: Chris Adolphsen (SLAC)
    
    Slides
  - 10:55
    Beam dynamics 25m
    
    Slides
    
    Lattice configuration, Quadrupole/BPM location/periodicity, alignment, and tune-ability 15m
    
    Speakers: Kaoru Yokoya (KEK), Dr Kiyoshi Kubo (KEK)
    
    Bunch spacing limit 10m
    
    Speaker: Benno List (DESY)
  - 11:20
    
    Availability and reserved tunnel-extension 15m
    
    3 % longer (400 m) tunnel empty or equipped?
    
    Speaker: Dr Eckhard Elsen (DESY)
    
    Slides
  - 11:35
    
    Progress and status of ML CFS design and requests for ML and SCRF 20m
    
    Speaker: Mr Victor Kuchler (Fermilab)
    
    Slides
  - 11:55
    
    Comments from Cost Group 10m
    
    Speaker: Gerald Dugan (Cornell University)
  - 12:05
    
    Discussion 10m
- 12:15 → 13:30
  
  Lunch 1h 15m
- 13:30 → 15:15
  HLRF/LLRF
  - 13:30
    
    KCS/RDR-unit RF system configuration in Low-Power Baseline and High-Power Upgrade 30m
    
    Speakers: Dr Christopher Nantista (SLAC), Dr Shigeki Fukuda (KEK)
    
    HLRF-KCS
    
    HLRF-RDR-like
  - 14:00
    
    LLRF overhead w/gradient spread in Low- and High-Power schemes 15m
    
    Speaker: Dr Shin Michizono (KEK)
    
    Slides
  - 14:15
    
    Marx generator 15m
    
    Speaker: Chris Adolphsen (SLAC)
    
    Slides
  - 14:30
    
    Tunable power distribution system 10m
    
    Speaker: Chris Nantista (SLAC)
  - 14:40
    
    AC power and cooling requirements 10m
    
    Speakers: Chris Nantista (SLAC), Shigeki Fukuda (KEK)
  - 14:50
    
    Comments from Cost Group 5m
    
    Speaker: Gerald Dugan (Cornell University)
  - 14:55
    
    Discussion 20m
- 15:15 → 15:45
  
  Coffee/Tea 30m
- 15:45 → 17:45
  Cryomodule Fabrication and Assembly
  
  Convener: Paolo Pierini (INFN Milano LASA)
  - 15:45
    
    Cryomodule envelope/interface 30m
    
    Speaker: Paolo Pierini (INFN Milano LASA)
    
    Slides
  - 16:15
    
    CM-string configuration matched to TDR RF-unit 20m
  - 16:35
    
    Simplification of 5K radiation-shield, accessibility, flow reversal or not 15m
  - 16:50
    
    Split-yoke and conduction-cooled SC quadrupoles 15m
    
    Speakers: Akira Yamamoto, Vladimir Kashikhin (Fermilab)
    
    Slides
  - 17:05
    
    Alignment scheme with EXFEL approach 10m
  - 17:15
    
    Comments from Cost group 10m
    
    Speaker: Gerald Dugan (Cornell University)
  - 17:25
    
    Discussion 20m
Friday 20 January
- Thu 19 Jan
- Fri 20 Jan
- 08:00 → 09:00
  
  CAD EDMS ad hoc meeting
  
  Convener: Dr Benno List (University of Hamburg)
  
  slides
- 09:00 → 09:40
  Cryogenics
  
  Convener: Mr Tom Peterson (FNAL)
  - 09:00
    
    Locations, numbers of cryogenics plants, and a limit for tilting ML tunnel 15m
    
    Speaker: Mr Tom Peterson (FNAL)
    
    Slides
  - 09:15
    
    Capacity optimization and heat balance with crymodule heat-load 10m
  - 09:25
    
    Comments from Cost Group 5m
    
    Speaker: Gerald Dugan (Cornell University)
  - 09:30
    
    Discussion 10m
- 09:40 → 10:00
  
  Coffee/Tea 20m
- 10:00 → 12:15
  Cavity Integration, and Cavity/CM performance tests
  
  Convener: Hitoshi Hayano (KEK)
  - 10:00
    
    Cavity envelope/interface 30m
  - 10:30
    
    Tuner, coupler, beam-flange, magnetic shield, and LHe tank 30m
    
    Slides
  - 11:00
    
    Cavity delivery condition with LHe-tank 15m
  - 11:15
    
    Power coupler conditioning strategy 15m
  - 11:30
    
    Cavity and Cryomodule performance test: What and which fraction to be tested? 15m
    
    Slides
  - 11:45
    
    Comments from Cost Group 10m
    
    Speaker: Gerald Dugan (Cornell University)
  - 11:55
    
    Discussion 20m
    
    Pre-closing Remarks
- 12:15 → 13:30
  
  Lunch 1h 15m
- 13:30 → 15:00
  Cavity gradient
  
  Convener: Dr Rongli Geng (Jefferson Lab)
  - 13:30
    
    Cavity production and process recipe 25m
    
    Speaker: Dr Rongli Geng (Jefferson Lab)
    
    Slides
  - 13:55
    
    Define production yield including new parameters such as radiation 15m
    
    Speaker:
    
    Slides
  - 14:10
    
    Data accumulation of gradient degradation after assembly into the cryomodule 20m
    
    Speaker: Nick Walker (DESY)
    
    Slides
  - 14:30
    
    How to overcome the gradient degradation in operation? 20m
    
    Speaker: Akira Yamamoto (KEK)
  - 14:40
    
    Discussion 20m
- 15:00 → 15:30
  
  Coffee/Tea 30m
- 15:30 → 17:45
  General Discussions and conclusion
  
  Convener: Nicholas Walker (DESY)
  - 15:30
    
    Current status for SCRF costing overview 30m
    
    Speaker: Gerald Dugan (Cornell University)
  - 16:00
    
    Summary of discussions and decisions 45m
    
    Speaker: Prof. Akira Yamamoto (KEK)
    
    Slides
  - 16:45
    
    TDR SCRF outline and writing task 30m
    
    Speaker: Mr John Carwardine (Argonne)
    
    Slides
  - 17:15
    
    Closing remarks 15m
    
    Speakers: Dr Barry Barish (GDE), Dr Marc Ross (FNAL)