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

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).
SCRF-BTR-Summary-final
Webex Info-JAN-19
Webex Info-JAN-20
Participants
  • Akira Yamamoto
  • Atsushi Enomoto
  • Barry Barish
  • Benno List
  • Brian Foster
  • Chris Adolphsen
  • Christopher Nantista
  • Eckhard Elsen
  • Eiji Kako
  • Ewan Paterson
  • Gerald Dugan
  • Hirotaka NAKAI
  • Hitoshi Hayano
  • Jim Kerby
  • John Carwardine
  • Kaoru Yokoya
  • Kazuko NAGAI
  • Kenji Ueno
  • Kiyoshi Kubo
  • Marc Ross
  • Masanobu MIYAHARA
  • Masashi YAMANAKA
  • Masato Satoh
  • masayuki kumada
  • Maxine Hronek
  • mitsuo AKEMOTO
  • Nicholas Walker
  • Nobu Toge
  • Nobuko Kobayashi
  • Paolo Pierini
  • Richard Kriske
  • Rong-Li Geng
  • Seiya Yamaguchi
  • Shigeki Fukuda
  • Shigeki KATO
  • Shin MICHIZONO
  • Takayuki SAEKI
  • Tetsuo Shidara
  • Thomas Lackowski
  • Tomiko SHIRAKATA
  • Toshiaki Tauchi
  • Toshihiro MATSUMOTO
  • Tsuyoshi Tajima
  • Victor Kuchler
  • Thursday, January 19
    • 9:00 AM 10:15 AM
      Welcome Address & Guideline for Main Linac and SCRF
      Convener: Dr Marc Ross (FNAL)
      • 9:00 AM
        Status and Prospect for ILC at KEK, Japan 20m
        Speaker: Atsuto Suzuki (KEK)
        Slides
      • 9:20 AM
        Summary of design update proposal 55m
        Speaker: Prof. Akira Yamamoto (KEK)
        Slides
    • 10:15 AM 10:45 AM
      Meeting Photo/Coffee/Tea 30m
    • 10:45 AM 12:15 PM
      ML Integration
      Convener: Chris Adolphsen (SLAC)
      • 10:45 AM
        Open issues on linac design 10m
        Speaker: Chris Adolphsen (SLAC)
        Slides
      • 10:55 AM
        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 AM
        Availability and reserved tunnel-extension 15m
        3 % longer (400 m) tunnel empty or equipped?
        Speaker: Dr Eckhard Elsen (DESY)
        Slides
      • 11:35 AM
        Progress and status of ML CFS design and requests for ML and SCRF 20m
        Speaker: Mr Victor Kuchler (Fermilab)
        Slides
      • 11:55 AM
        Comments from Cost Group 10m
        Speaker: Gerald Dugan (Cornell University)
      • 12:05 PM
        Discussion 10m
    • 12:15 PM 1:30 PM
      Lunch 1h 15m
    • 1:30 PM 3:15 PM
      HLRF/LLRF
      • 1:30 PM
        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
      • 2:00 PM
        LLRF overhead w/gradient spread in Low- and High-Power schemes 15m
        Speaker: Dr Shin Michizono (KEK)
        Slides
      • 2:15 PM
        Marx generator 15m
        Speaker: Chris Adolphsen (SLAC)
        Slides
      • 2:30 PM
        Tunable power distribution system 10m
        Speaker: Chris Nantista (SLAC)
      • 2:40 PM
        AC power and cooling requirements 10m
        Speakers: Chris Nantista (SLAC), Shigeki Fukuda (KEK)
      • 2:50 PM
        Comments from Cost Group 5m
        Speaker: Gerald Dugan (Cornell University)
      • 2:55 PM
        Discussion 20m
    • 3:15 PM 3:45 PM
      Coffee/Tea 30m
    • 3:45 PM 5:45 PM
      Cryomodule Fabrication and Assembly
      Convener: Paolo Pierini (INFN Milano LASA)
      • 3:45 PM
        Cryomodule envelope/interface 30m
        Speaker: Paolo Pierini (INFN Milano LASA)
        Slides
      • 4:15 PM
        CM-string configuration matched to TDR RF-unit 20m
      • 4:35 PM
        Simplification of 5K radiation-shield, accessibility, flow reversal or not 15m
      • 4:50 PM
        Split-yoke and conduction-cooled SC quadrupoles 15m
        Speakers: Akira Yamamoto, Vladimir Kashikhin (Fermilab)
        Slides
      • 5:05 PM
        Alignment scheme with EXFEL approach 10m
      • 5:15 PM
        Comments from Cost group 10m
        Speaker: Gerald Dugan (Cornell University)
      • 5:25 PM
        Discussion 20m
  • Friday, January 20
    • 8:00 AM 9:00 AM
      CAD EDMS ad hoc meeting
      Convener: Dr Benno List (University of Hamburg)
      slides
    • 9:00 AM 9:40 AM
      Cryogenics
      Convener: Mr Tom Peterson (FNAL)
      • 9:00 AM
        Locations, numbers of cryogenics plants, and a limit for tilting ML tunnel 15m
        Speaker: Mr Tom Peterson (FNAL)
        Slides
      • 9:15 AM
        Capacity optimization and heat balance with crymodule heat-load 10m
      • 9:25 AM
        Comments from Cost Group 5m
        Speaker: Gerald Dugan (Cornell University)
      • 9:30 AM
        Discussion 10m
    • 9:40 AM 10:00 AM
      Coffee/Tea 20m
    • 10:00 AM 12:15 PM
      Cavity Integration, and Cavity/CM performance tests
      Convener: Hitoshi Hayano (KEK)
      • 10:00 AM
        Cavity envelope/interface 30m
      • 10:30 AM
        Tuner, coupler, beam-flange, magnetic shield, and LHe tank 30m
        Slides
      • 11:00 AM
        Cavity delivery condition with LHe-tank 15m
      • 11:15 AM
        Power coupler conditioning strategy 15m
      • 11:30 AM
        Cavity and Cryomodule performance test: What and which fraction to be tested? 15m
        Slides
      • 11:45 AM
        Comments from Cost Group 10m
        Speaker: Gerald Dugan (Cornell University)
      • 11:55 AM
        Discussion 20m
        Pre-closing Remarks
    • 12:15 PM 1:30 PM
      Lunch 1h 15m
    • 1:30 PM 3:00 PM
      Cavity gradient
      Convener: Dr Rongli Geng (Jefferson Lab)
      • 1:30 PM
        Cavity production and process recipe 25m
        Speaker: Dr Rongli Geng (Jefferson Lab)
        Slides
      • 1:55 PM
        Define production yield including new parameters such as radiation 15m
        Speaker:
        Slides
      • 2:10 PM
        Data accumulation of gradient degradation after assembly into the cryomodule 20m
        Speaker: Nick Walker (DESY)
        Slides
      • 2:30 PM
        How to overcome the gradient degradation in operation? 20m
        Speaker: Akira Yamamoto (KEK)
      • 2:40 PM
        Discussion 20m
    • 3:00 PM 3:30 PM
      Coffee/Tea 30m
    • 3:30 PM 5:45 PM
      General Discussions and conclusion
      Convener: Nicholas Walker (DESY)
      • 3:30 PM
        Current status for SCRF costing overview 30m
        Speaker: Gerald Dugan (Cornell University)
      • 4:00 PM
        Summary of discussions and decisions 45m
        Speaker: Prof. Akira Yamamoto (KEK)
        Slides
      • 4:45 PM
        TDR SCRF outline and writing task 30m
        Speaker: Mr John Carwardine (Argonne)
        Slides
      • 5:15 PM
        Closing remarks 15m
        Speakers: Dr Barry Barish (GDE), Dr Marc Ross (FNAL)