Login

International Review of the Crab Cavity system design and production plan for the HL-LHC

19–21 Jun 2019
CERN
Europe/Zurich timezone

Elodie Kurzen

Contribution List

79 out of 79 displayed
Export to PDF
  1. 77. Executive session
    19/06/2019, 13:00
  2. 36. Introduction & Overview
    Oliver Bruning (CERN)
    19/06/2019, 13:30

    Including project re-scoping, collaborations and key milestones for the HL-LHC

    Go to contribution page
  3. 37. Overview of WP4-CC inside the HL-LHC project
    Rama Calaga (CERN)
    19/06/2019, 13:40

    General overview of the project covering SPS and HL-LHC, role and scope of each collaboration, planning, strategy and key milestones achieved and future prospects.
    Management of collaborations and integration into the CERN planning and documentation

    Go to contribution page
  4. 38. WP4 Strategy for Cryomodule
    Ofelia Capatina (CERN)
    19/06/2019, 14:00

    Engineering specifications overview for cavities & cryomodules and strategy to manufacture the cryomodules.
    Experience and key lessons learned from SPS-CM
    Open issues, spare policy, maintenance and repairability including radiation aspects for HL-LHC

    Go to contribution page
  5. 39. WP4 Strategy for RF System
    Eric Montesinos (CERN)
    19/06/2019, 14:20

    HPRF system architecture in SPS and Lessons learned (RF power, conditioning, linearity, availability)
    RF power requirements and interfaces to other WPs
    Options for HL-LHC and ongoing studies on SSPA including SM18/SPS testing
    Planning and procurement strategy including potential collaborations

    Go to contribution page
  6. 40. WP4 strategy for Integration & Services (SPS-BA6 & Interfaces)
    Giovanna Vandoni (CERN)
    19/06/2019, 14:50

    Experience from the SPS installation & lessons learned
    Interfaces for HL-LHC-WP4 and present status

    Go to contribution page
  7. 41. Discussion
    19/06/2019, 15:10
  8. 42. US contribution to SPS Crab Cavity Prototypes and Lessons Learned
    Alessandro Ratti (SLAC National Accelerator Laboratory (US))
    19/06/2019, 15:45

    Short history of the US-LARP contributions to HL-LHC
    Issues with conformity
    Cavity performance overview (DQW/RFD) - 2015-2017 Cavity+HOMs results & lessons learned (DQW/RFD) - 2017-19
    Mitigations and future prospects of the US-LARP cavities including testing at Uppsala and EP at KEK
    Status of documentation

    Go to contribution page
  9. 43. CERN-Crash Program for SPS-DQW Cryomodule
    Marco Garlasche (CERN)
    19/06/2019, 16:15

    Recap of the SPS cavity and cryomodule fabrication, assembly, testing and lessons learned
    Variances to RFD "LHC type" and future prospects

    Go to contribution page
  10. 44. Discussion
    19/06/2019, 16:35
  11. 45. Vacuum layout & experience from SPS
    Chiara Pasquino (CERN)
    20/06/2019, 08:30

    Vacuum layout in SPS, installation and lessons learned
    Aspects related to carbon coating of the bypass chambers
    Experience with beam and insulation vacuum
    Outlook for operation in 2021 and beyond

    Go to contribution page
  12. 46. Cryogenics Experience from SPS
    Krzysztof Brodzinski (CERN)
    20/06/2019, 08:50

    Challenges for SPS installation and commissioning and related schedule constraints
    Experience and learning curve for SPS module, results and outlook for 2021 operations
    Lessons learned and relevance to HL-LHC

    Go to contribution page
  13. 78. Freq Tuning System & Lessons learned
    Kurt Artoos (CERN)
    20/06/2019, 09:10

    Frequency tuning requirements, concept and results and lessons learned from SPS.
    Relevance to HL-LHC and improvements adopted
    Open issues for cavity tuning to be addressed

    Go to contribution page
  14. 48. HOM Damping & SPS Measurements
    James Alexander Mitchell (Lancaster University (GB)), Zenghai Li (SLAC)
    20/06/2019, 09:30

    HOM damping requirements and overview of the damping schemes
    Measurements on the bare and dressed SPS cavities including distribution of the HOM power between couplers
    Measurements with beam and comparison to simulations
    Improvements for DQW for HL-LHC

    Go to contribution page
  15. 50. LLRF experience for SPS & HL-LHC Outlook
    Philippe Baudrenghien (CERN)
    20/06/2019, 10:10

    LLRF concept and preparation towards the SPS tests
    Implementation in the SPS and commissioning, experience with beam, main issues and foreseen improvements (SEL, firmware, software, automatization of functions etc..)
    Amplitude and phase stability, RF noise measurements and future improvements
    Future platform for HL-LHC and outlook for 2021 SPS operation

    Go to contribution page
  16. 51. SPS-CC experiments and operation Challenges/Limitations & Outlook for 2021
    Rama Calaga (CERN)
    20/06/2019, 10:30
  17. 52. Machine Protection lessons learned from SPS
    Daniel Wollmann (CERN), Jan Uythoven (CERN)
    20/06/2019, 11:10

    Possible failure scenarios and observations from the SPS tests
    Interlocks and future improvements including outlook for 2021 SPS tests

    Go to contribution page
  18. 53. Discussion
    20/06/2019, 11:30
  19. 54. CERN RFD-SPS Cavity Manufacturing Status
    Marco Garlasche (CERN)
    20/06/2019, 13:30

    Manufacturing strategy for the RFD cavity, copper trials and present status of the Nb cavities
    Issues encountered during the manufacturing and impact on schedule
    Technology transfer to partner collaborations and industry

    Go to contribution page
  20. 55. CERN/RI DQW-Series Cavities for HL-LHC CC
    Nuria Valverde Alonso (CERN)
    20/06/2019, 13:50

    Industrial production of the pre-series DQW cavities with RI
    Present status including the re-scoping and changes implemented during the first phase of the contract
    Status of the documentation, qualifications, readiness for fabrication and CERN acceptance tests
    Impact on the schedule

    Go to contribution page
  21. 56. US-AUP RFD Dressed Cavities for HL-LHC CC
    Leonardo Ristori (Fermilab), Paolo Berrutti (FNAL)
    20/06/2019, 14:10

    US-AUP strategy for RFD-DC including scope, RF geometry, treatment, testing planning for prototypes and series cavities
    Compliance with engineering specifications and safety requirements including fabrication, documentation, qualification status, issues
    Reliability of the existing setups and acceptance criteria agreements with CERN
    Experience industrial partner and next key milestones

    Go to contribution page
  22. 57. CERN FPCs & Other Couplers for HL-LHC CC
    Eric Montesinos (CERN)
    20/06/2019, 14:30

    FPCs, HOM couplers and field antenna design and prototyping
    Issues encountered during the SPS phase and mitigation measures including transport considerations
    Strategy for RFD and DQW (including RF feedthroughs) both at CERN and Canada/UK
    Status of fabrication/doc/qualification/documentation

    Go to contribution page
  23. 58. US-AUP RFD Couplers for HL-LHC CC
    Paolo Berrutti (FNAL)
    20/06/2019, 14:50

    RFD-HOM couplers and field antenna design and USLARP prototypes
    Issues encountered with prototypes and mitigiation measures
    Strategy for future prototypes and series (including feedthroughs)
    Status of fabrication/doc/qualification/documentation

    Go to contribution page
  24. 60. HL-LHC CC Cryomodule Design
    Teddy Capelli (CERN)
    20/06/2019, 15:40

    Recap of the SPS-DQW cryomodule design and the updates towards the HL-LHC modules
    Conceptual design and key interfaces (RF, vacuum, cryo, alignment etc..)
    Open items to be addressed

    Go to contribution page
  25. 61. SPS-RFD & Series DQW Cryostating Plans
    Thomas Jones (STFC)
    20/06/2019, 16:10

    Scope of the UK1 and UK2 projects towards the HL-LHC WP4
    Experience and participation in the SPS program and lessons learned
    Planning of the RFD-prototype and DQW series
    Main interfaces and responsibility sharing between UK and CERN and compliance with engineering specifications, safety regulations and acceptance criteria

    Go to contribution page
  26. 62. Series RFD Cryostating for HL-LHC CC
    Robert Laxdal (TRIUMF)
    20/06/2019, 16:30

    Scope of the Canadian contribution to HL-LHC-WP4 including fabrication, assembly and testing
    Planning of the RFD cryomodules and integration into WP4 master planning
    Main interfaces and responsibility sharing between Canada and CERN, acceptance criteria and compliance with engineering specifications.

    Go to contribution page
  27. 63. Transport Aspects
    Kurt Artoos (CERN), Thomas Joseph Jones (STFC Daresbury Laboratory (GB))
    20/06/2019, 16:50

    Boundary conditions and specifications for transport
    Key aspects to be addressed specially (Couplers, bellows etc..)
    Experience with transport inside CERN and measurements

    Go to contribution page
  28. 64. Discussion
    20/06/2019, 17:10
  29. 65. SM18 Assembly and Testing Infrastructure
    Katarzyna Turaj (CERN)
    21/06/2019, 08:30

    Overview of the cavity and cryomodule reception at CERN and testing and lessons learned from SPS-CCs
    Detailed planning for the RFD-proto, DQW/RFD series in SM18
    Readiness of the testing infrastructure for vertical testing of cavities and bunker tests of cryomodules
    Preparations ongoing towards the series testing and main bottlenecks

    Go to contribution page
  30. 66. LHC Environment Constraints & Integration
    Paolo Fessia (CERN)
    21/06/2019, 08:50

    Design update of the integration of CCs in HL-LHC including the displacement and interfaces related to RF, cryogenics, vacuum, alignment and other services
    Optimization of the crab zone and cores for future flexibility including swap of H/V if needed
    CV, infrastructure, cabling and other open items

    Go to contribution page
  31. 67. Vacuum for HL-LHC CC
    Dr Germana Riddone (CERN)
    21/06/2019, 09:10

    Scope of the WP13 contribution to WP4
    HL-LHC CC vacuum layout including the counter-rotating beam and all vacuum equipment related to CCs
    Main interfaces and responsibility sharing including collaborations from Canada, UK and US-AUP

    Go to contribution page
  32. 68. Cryogenics for HL-LHC CC including sectorization
    Krzysztof Brodzinski (CERN), Serge Claudet (CERN)
    21/06/2019, 09:30

    Cryogenics layout for HL-LHC CCs and improvements from SPS experience
    Integration and maintainence of the cryogenic insfrastructure for HL-LHC CCs
    Commissioning strategy and cool-down/warmup and operational constraints
    Sectorization of the crab cavities w.r.t the IR region

    Go to contribution page
  33. 69. Alignment & Monitoring from SPS to HL-LHC
    Mateusz Sosin (CERN)
    21/06/2019, 09:50

    Cavity alignment specifications and concept demonstration in the SPS
    Improvement foreseen for HL-LHC and future testing in the SPS
    Aspects related to remote alignment cryomodules and periodic alignment of the cavities inside the cryomodules

    Go to contribution page
  34. 70. Discussion
    All
    21/06/2019, 10:10
  35. 71. RF Conditioning Strategy during HL-LHC
    Eric Montesinos (CERN)
    21/06/2019, 10:55

    RF conditioning experience from SPS and estimates for LHC including 8 modules at P1/P5
    Compatibility with HW commissioning of magnets
    Memory of conditioning and strategy during technical shutdowns
    No RF zone ?

    Go to contribution page
  36. 72. Technical Specifications and Guidelines for Compliance with CERN Safety Rules
    Luca Dassa (CERN)
    21/06/2019, 11:10
  37. 73. WP4 QA & QC Status, Risks & Documentation
    Hector Garcia Gavela (Universidad de Oviedo (ES))
    21/06/2019, 11:30
  38. 74. Discussion
    All
    21/06/2019, 11:50
  39. 75. Closed session + Working lunch
    Reviewers
    21/06/2019, 12:20
  40. 79. Transport from BA6 (building 873) to Prevessin (building 774) and coffee break
    21/06/2019, 15:30
  41. 34. Ad-hoc discussions with speakers when requested
  42. 21. Alignment and monitoring (15'+5')
    Mateusz Sosin (CERN)
  43. 9. Cavity/HOM manufacturing at CERN (20'+5')
    Marco Garlasche (CERN)
  44. 6. CC engineering overview (20'+5')
    Ofelia Capatina (CERN)
  45. 2. CC inside LARP/AUP
    Giorgio Apollinari (Fermi National Accelerator Lab. (US))
  46. 11. CERN cavity results (20'+5')
    Alejandro Castilla Loeza (CERN)
  47. 31. CERN procurement of DQW dressed cavity (20'+5')
    Carlo Zanoni (CERN)
  48. 17. CERN-DQW cavity string assembly preparation (15'+5')
    Mathieu Therasse (CERN)
  49. 35. Close-out session
    Akira Yamamoto (High Energy Accelerator Research Organization (JP)), Prof. Akira Yamamoto (High Energy Accelerator Research Organization (JP))
  50. 27. Cryogenic considerations for SPS and LHC (15'+5')
    Serge Claudet (CERN)
  51. 14. Cryomodule & Cryostating Overview (20'+5')
    Teddy Capelli (CERN)
  52. 8. Discussion
  53. 4. Evolution of CC in LARP (20'+5')
    Alessandro Ratti (SLAC National Accelerator Laboratory (US))
  54. 16. FPC status and HPRF status + coupler mounting (FPC/HOM) (25'+5')
    Eric Montesinos (CERN)
  55. 49. Freq Tuning System & Lessons learned
    Kurt Artoos (CERN)

    Frequency tuning requirements, concept and results and lessons learned from SPS.
    Relevance to HL-LHC and improvements adopted
    Open issues for cavity tuning to be addressed

    Go to contribution page
  56. 59. Freq Tuning System & Lessons learned
    Kurt Artoos (CERN)
  57. 15. Frequency tuning system and p.o.p. tuning results (15'+5')
    Kurt Artoos (CERN)
  58. 18. Helium Vessel & Cavity Dressing Construction (20'+5')
    Paula Freijedo Menendez (CERN)
  59. 10. LARP cavity results (20'+5')
    Hye Kyoung Park
  60. 28. LHC CC integration constraints (15'+5')
    Paolo Fessia (CERN)
  61. 25. LLRF preparation and RF commissioning for SPS (15'+5')
    Philippe Baudrenghien (CERN)
  62. 3. Overview of CC for the HL-LHC project (25'+5')
    Rama Calaga (CERN)
  63. 1. Overview of HL-LHC and Introduction of the review
    Lucio Rossi (CERN)
  64. 29. Pre-series, series strategy and planning (15'+5')
    Ofelia Capatina (CERN)
  65. 22. SM18 preparation for cryomudule testing (15'+5')
    Alick Macpherson (CERN)
  66. 26. SPS Crab Cavity Test Stand: Safety review summary (15'+5')
    Christelle Gaignant (CERN)
  67. 20. SPS cryogenic proximity equipment and SM18 validation (15'+5')
    Krzysztof Brodzinski (CERN)
  68. 47. SPS experiments with beam
    Lee Robert Carver (University of Liverpool (GB))

    First crabbing with proton beam, energy ramp, intensity ramp-up, emittance growth, impedance measurements etc..
    Challenges during beam commissioning and mitigations
    Outlook for 2021

    Go to contribution page
  69. 23. SPS Test Stand Integration (20'+5')
    Giovanna Vandoni (CERN)
  70. 33. SPS test success criteria, LHC performance aspects and machine protection (20'+5')
    Oliver Bruning (CERN)
  71. 12. SPS-DQW experience (cavity + HOMs) and evolution to LHC (15'+5')
    Silvia Verdú Andrés (Brookhaven National Laboratory BNL)
  72. 13. SPS-RFD experience (cavity + HOMs) and evolution to LHC (15'+5')
    Subashini De Silva (Old Dominion University (US))
  73. 19. Thermal and magnetic shields (15'+5')
    Niklas John Templeton (STFC Daresbury Laboratory (GB))
  74. 5. UK contribution to HL-LHC Crab Cavities and evolution (10'+5')
    Graeme Burt (Lancaster University)
  75. 30. UK pre-series with RFD cryomodule (20'+5')
    Thomas Jones (STFC)
  76. 32. US contribution for 10 RFD dressed cavities (20'+5')
    Leonardo Ristori (Fermilab)
  77. 24. Vacuum considerations for SPS tests and LHC CC (15'+5')
    Vincent Baglin (CERN)
  78. 76. Visit to BA6
  79. 7. WP4 QA, QC status and documentation (15'+5')
    Isabel Bejar Alonso (CERN)