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TTC Meeting at SLAC, December 1 - 4, 2015

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Building 51, Kavli, Auditoium (SLAC)

Building 51, Kavli, Auditoium

SLAC

2575 Sand Hill Rd Menlo Park, CA, 94025
Description
The mission of the TESLA Technology Collaboration is to advance SRF technology R&D and related accelerator studies across the broad diversity of scientific applications, and to keep open and provide a bridge for communication and sharing of ideas, developments, and testing across associated projects. To this end the Collaboration supports and encourages free and open exchange of scientific and technical knowledge, expertise, engineering designs, and equipment.
The TTC organizes regular collaboration meetings where new developments are reported, recent findings are discussed and technical issues are concluded.


https://conf-slac.stanford.edu/tesla-2015/content/welcome

Slides
  • Tuesday, 1 December
    • Introduction and Update from last Collaboration Meeting - Hasan Padamsee (Cornell) Building 51, Kavli Auditorium (DESY Hamburg)

      Building 51, Kavli Auditorium

      DESY Hamburg

      Hasan Padamsee, Cornell

      Convener: Hasan Padamsee (FNAL)
      slides
      • 1
        Introduction and Update from last Collaboration Meeting
        Slides
    • SLAC Welcome and Logistics, Marc Ross (SLAC) Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC
      slides
    • Plenary Talk 1: General Overview on Challenges in low-beta Cavities - G. Olry (IPNO) Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC
      slides
      • 2
        Plenary Talk 1: General Overview on Challenges in low-beta Cavities - G. Olry (IPNO)
        Slides
    • Plenary Talk2: Technical Challenge of Cryomodule Design in LCLS-II - J. Kaluzny (FNAL) Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC
      slides
      • 3
        Plenary Talk2: Technical Challenge of Cryomodule Design in LCLS-II - J. Kaluzny
        Slides
    • Plenary Talk 3: Technical Challenge of Cavity Mass Production in LCLS-II - F. Marhauser (JLAB) Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC
      slides
    • Coffee Building 51, Kavli Auditorium, Lobby

      Building 51, Kavli Auditorium, Lobby

      SLAC
    • Plenary Talk 4: Lesson Learned from Cryomodule Assembly with a Focus toward Future Projects - C. Madec (CEA) Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC
      slides
      • 4
        Plenary Talk 4: Lesson Learned from Cryomodule Assembly with a Focus toward Future Projects
        Slides
    • Plenary Talk 5: “Cryogenic Operation, Failures and Recovery for Future 2K Accelerators - S. Putselyk (DESY) Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC
      slides
      • 5
        Plenary Talk 5: “Cryogenic Operation, Failures and Recovery for Future 2K Accelerators
        Slides
    • Plenary Talk 6: Cryomodule/HTS Testing of High Q Cavities - M. Liepe (Cornell) Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC
      slides
      • 6
        Plenary Talk 6: Cryomodule/HTS Testing of High Q Cavities
        Slides
    • Lunch Building 53, Cafeteria

      Building 53, Cafeteria

      SLAC
    • WG 1 : High-Q - Conveners: A. Romanenko (FNAL), F. Furuta (Cornell - TBC), K. Umemori (KEK) (30 min coffee Break incl.) Building 51, Kavli, Auditorium

      Building 51, Kavli, Auditorium

      SLAC

      (30 minutes Coffee Break included)

      paper
      slides
      • 7
        Doping: introduction
        Speaker: A. Romanenko (Fermilab)
        Slides
      • 8
        Q&A
      • 9
        Dependence of superconducting parameters on the field
        Speaker: Ari Palczewski (JLab)
        Slides
      • 10
        Possible field dependence of superconducting gap for N-doped cavities
        Speaker: D. Gonnella (Cornell)
        Slides
      • 11
        Model for the field dependence
        Speaker: B. Xiao (BNL)
        Slides
      • 12
        Insight from BCS fitting at different fields
        Speaker: M. Checchin (FNAL)
        Slides
      • 13
        Microwave field-induced suppression of Rs in dirty niobium
        Speaker: A. Gurevich (ODU)
        Slides
      • 14
        Possible unoptimal doping
        Speaker: K. Umemori (KEK)
        Slides
      • 15
        DISCUSSION
    • WG 3 : Cryomodule - Conveners: E. Harms (FNAL), H. Nakai (KEK), J. Preble (Jlab), S. Berry (CEA) (30 minutes Coffee Break incl.) Building 48, Redwood ABCD (DESY Hamburg)

      Building 48, Redwood ABCD

      DESY Hamburg
      slides
      • 16
        Cryomodule Development & Integration Experience: Introduction
        Speakers: Elvin Harms (Fermilab), Prof. Hirotaka NAKAI (KEK), Joe Preble (JLab), Mr Stéphane BERRY (CEA-Saclay)
        Slides
      • 17
        Cryomodule Development & Integration Experience: Cryomodule Development for C-ADS Injector I
        Speaker: Rui Ge (IHEP)
        Slides
      • 18
        Cryomodule Development & Integration Experience: Essential factors for improving reliability in cryomodule assembly
        Speaker: thierry Trublet (CEA Saclay)
        Slides
      • 19
        Cryomodule Development & Integration Experience: Horizontal Tests in a Vertical Cryostat for qualifying ESS high-Beta dressed cavities
        Speaker: Shrikan Pattalwar (STFC Daresbury)
        Slides
      • 20
        Cryomodule Development & Integration Experience: Discussion (all)
      • 21
        Cryomodule Performance including Degradation: Ongoing measurements cavity results in STF cryomodules
        Speaker: Kirk Yamamoto (KEK)
        Slides
      • 22
        Cryomodule Performance including Degradation: Cause of performance degradation in Linac operation at SNS
        Speaker: Mr John Mammosser (ORNL/SNS)
        Slides
      • 23
        Cryomodule Performance including Degradation: Clean room assembly process vs. XFEL cryomodule performances
        Speaker: Mr Stéphane BERRY (CEA-Saclay)
        Slides
      • 24
        Cryomodule Performance including Degradation: Comparison of Cavity Performance in XFEL Cryomodules
        Speaker: Dr Nicholas Walker (DESY)
        Slides
      • 25
        Cryomodule Performance including Degradation: Discussion (all)
    • Collaboration Board Meeting Building 48, Redwood ABCD

      Building 48, Redwood ABCD

      SLAC
  • Wednesday, 2 December
    • WG 3 - Cryomodule, Conveners: E. Harms (FNAL), H. Nankai (KEK), J. Preble (JLAB), S. Berry (CEA) Building 48, Redwood ABCD

      Building 48, Redwood ABCD

      SLAC

      WG 3 - Cryomodule, Conveners: E. Harms (FNAL), H. Nankai (KEK), J. Preble (JLAB), S. Berry (CEA)

      slides
      • 26
        Materials issues: Helium circuit/vessel material
        Speaker: Hirotaka Nakai (KEK)
        Slides
      • 27
        Materials issues: Titanum welding with pure Argon versus Argon+Helium
        Speaker: Mr Stéphane BERRY (CEA-Saclay)
        Slides
      • 28
        Materials issues: Incoming inspection of component: cold mass example
        Speaker: thierry Trublet (CEA Saclay)
        Slides
      • 29
        Materials issues: TBC
        Speaker: Joshua Kaluzny (FNAL)
        Slides
      • 30
        Materials issues: Discussion (all)
      • 31
        Installation and Rework/Remediation issues: Difficulties during cryomodule installation into the E-XFEL tunnel
        Speaker: Mr Kay Jensch (DESY)
        Slides
      • 32
        Other topics: Beam vacuum leak repair without schedule impact (XM46)
        Speaker: Mr Stéphane BERRY (CEA-Saclay)
        Slides
      • 33
        Discussion (All)
      • 34
        Summary of WG-3: Discussion (All)
        Slides
    • WG1 - High Q, Conveners: A Romanenko (FNAL), F. Furuta (Cornell), K. Umemori (KEK) Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC

      WG1 - High Q, Conveners: A Romanenko (FNAL), F. Furuta (Cornell), K. Umemori (KEK)

      slides
      • 35
        Intro: realistic magnetic fields in accelerators
        Speaker: Saravan Chandrasekaran (Fermilab)
        Slides
      • 36
        Q&A
      • 37
        Flux expulsion for different cavity materials and treatments
        Speaker: Sam Posen (Fermilab)
        Slides
      • 38
        Model to explain the observed flux expulsion dependence on the thermal gradient
        Speaker: Takayuki Kubo (KEK)
        Slides
      • 39
        Trapped flux dissipation for different surface treatments: results and model
        Speaker: Martina Martinello (Fermilab)
        Slides
      • 40
        Dissipative motion of trapped flux and its relation to the mean free path
        Speaker: Alex Gurevich (Old Dominion University)
        Slides
      • 41
        DISCUSSION
    • 12:30
      Lunch Break Building 053, Cafeteria

      Building 053, Cafeteria

      SLAC
    • WG 2 - Cavity, Conveners: D. Reschke (DESY), P. McIntosh (STFC), S. Bousson (IPN-Orsay), J. Zhai (IHEP) Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC

      WG 2 - Cavity, Conveners: D. Reschke (DESY), P. McIntosh (STFC), S. Bousson (IPN-Orsay), J. Zhai (IHEP)

      slides
      • 42
        Welcome + Introduction
        Speakers: Detlef Reschke (DESY), Jiyuan Zhai (IHEP), Peter McIntosh (peter.mcintosh@stfc.ac.uk), Sebastien Bousson (IPN Orsay)
        Slides
      • 43
        Session 1: Feedback from industry about cavity production: Industrial perspective on working with scientific customers
        Speakers: Detlef Reschke (DESY), Peter McIntosh (peter.mcintosh@stfc.ac.uk), Sebastien Bousson (IPN Orsay)
      • 44
        Session 1, Talk 1 of 3: RI's view on cavity production (European XFEL, …)
        Speaker: Michael Pekeler (RI Research Instruments GmbH)
        Slides
      • 45
        Session 1, Talk 2 of 3: PAVAC's view on cavity production(FRIB, …) incl. 00:05 min questions
        Speaker: Ralf Edinger (Pavac Industries, Inc.)
        Slides
      • 46
        Session 1, Talk 3 of 3: MHI's view on cavity production
        Speaker: Katsuya Sennyu (MHI-MS)
        Slides
      • 47
        Discussion
      • 48
        Coffee Break
      • 49
        Performance of LG and FG dressed cavities in XFEL cryomodules
        Speaker: Jacek Sekutowicz (DESY)
        Slides
      • 50
        HWR015 and HWR030 cavities for C-ADS (incl. 00:05 min questions)
        Speaker: Yongming Li (Institute of Modern Physics, Chinese Academy of Sciences)
        Slides
      • 51
        Production of high purity niobium for SRF accelerators (incl. 00:05 min questions)
        Speaker: Tomohiro Nagata (ULVAC Inc.)
        Slides
      • 52
        Fabrication and evaluation of low RRR large grain single cell cavity (incl. 00:05 min questions)
        Speaker: Masashi Yamanaka (KEK)
        Slides
      • 53
        Niobium materials with large grain and fine grain at Tokyo Denkai (incl. 00:05 minutes questions)
        Speaker: Hiroaki Umezawa (Tokyo Denkai Co., Ltd.)
        Slides
    • WG 4 - FP Couplers, Conveners: Y. Pischnalnikov (FNAL), R. Paparella (INFN), W. Kaabi (LAL), E. Montesinos (CERN) Building 48, Redwood ABCD

      Building 48, Redwood ABCD

      SLAC

      WG 4 - FP Couplers, Conveners: Y. Pischalnikov (FNAL), R. Paparella (INFN), W. Kaabi (LAL), E. Montesinos (CERN)

      slides
      • 54
        Introduction
      • 55
        LCLS-II challenges
        Speaker: Chris Adolphsen (SLAC National Accelerator Laboratory)
        Slides
      • 56
        FPC out-gassing
        Speaker: Mircea Stirbet (JLab)
        Transparents
      • 57
        Experience of FPC mass production
        Speaker: Serge Sierra
        Transparents
      • 58
        XFEL coupler Mass production at LAL
        Speaker: Walid Kaabi (LAL)
        Transparents
      • 59
        CPI experience
        Speaker: Todd Treado (CPI)
        Transparents
      • 60
        TTF-III like coupler R&D in IMP
        Speaker: Yongming Li (IMP)
      • 61
        Break
      • 62
        SNS
        Speaker: John Mammosser (ORNL)
        Transparents
      • 63
        Performance for STF-II coupler in STF-2 Cryomodule / R&D for 40mm STF coupler for the ILC
        Speaker: Yasuchka Yamamoto (KEK)
        Transparents
      • 64
        Manufacturing of the IFMIF FPC
        Speaker: Hassen Jenhani (CEA)
        Transparents
      • 65
        Detachable coupler
        Speaker: Yi Xie (FNAL)
        Transparents
      • 66
        HIE-Isolde FPC
        Speaker: Akira Miyasaki (CERN)
        Transparents
      • 67
        TETD's fabrication experiences
        Speaker: Osamu Yushiro (Toshiba)
        Transparents
      • 68
        Discussion
  • Thursday, 3 December
  • Friday, 4 December
    • Plenary Talk 7: Summary Report from ERL15 WS - E. Jensen (CERN) Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC
      slides
    • Plenary Talk 8: Invited Talk on Clean Room/Clean Infrastructure Design and Operation - J. Paul (HDR Engineering) Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC
      slides
      • 81
        Plenary Talk 8: Invited Talk on Clean Room/Clean Infrastructure Design and Operation
        Slides
    • Summary Talk WG 1 - WG 1 Conveners Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC
      Conveners: Alex Romanenko (FNAL), Fumio Furuta (Cornell University), Kensei Umemori (KEK)
      slides
    • Summary Talk, WG 2 - WG 2 Conveners Building 51, Kavli, Auditoium

      Building 51, Kavli, Auditoium

      SLAC

      2575 Sand Hill Rd Menlo Park, CA, 94025
      Conveners: Detlef Reschke (DESY), Jiyuan Zhai (IHEP), Peter McIntosh (STFC Daresbury Laboratory), Sebastien Bousson (IPN Orsay)
      slides
    • 10:40
      Coffee Break Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC

      Coffee Break

    • Summary Talk, WG 3 - WG 3 Conveners Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC
      Conveners: Elvin Harms (Fermilab), Prof. Hirotaka NAKAI (KEK), Joe Preble (JLab), Mr Stéphane BERRY (CEA-Saclay)
      slides
      • 82
        Summary Talk, WG 3
        Speaker: Elvin Harms (FNAL)
        Slides
    • Summary Talk, WG - WG 4 Conveners Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC
      Conveners: Eric Montesinos (CERN), Rocco Paparella (INFN Milano), Walid Kaabi (LAL-CNRS), Yuriy Pischalnikov (Fermilab)
      slides
    • TB Report - Eiji Kako (KEK) Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC

      TB Report - Eiji Kako (KEK)

      slides
    • CB Report - Hasan Padamsee (Cornell) Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC

      CB Report - Hasan Padamsee (Cornell)

      slides
    • Closing - Hasan Padamsee (Cornell) Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC

      Closing - Hasan Padamsee (Cornell)

    • Adjourn Building 51, Kavli Auditorium

      Building 51, Kavli Auditorium

      SLAC

      Adjourn

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