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MPP Workshop 2019

7–8 May 2019
Chateau de Bossey
Europe/Zurich timezone

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Session

Session 4 - Injectors

8 May 2019, 14:00
Hexagonal (Chateau de Bossey)

Hexagonal

Chateau de Bossey

Chemin Chenevière 2, 1279 Bogis-Bossey https://goo.gl/maps/7jqYRd1bmV52

Description

Chair persons: F. Tecker & V. Kain

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  1. 62. Machine protection challenges in the SPS
    Kevin Shing Bruce Li (CERN)
    08/05/2019, 14:00
    • Machine protection in the SPS overview – LHC extractions, SPS ring
    • LS2 upgrades:
    • SBDS, injection interlocking
    • Absorbers + SMP
    • WIC: HIL loop
    • BI interlocking plus additional requirements for SMP
    • Status and requirements for slow extraction
      Handling MDs and non-standard operation in the SPS
      UA9, COLDEX, crab cavities
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  2. 63. Linac 4 - experience and open points
    David Nisbet (CERN)
    08/05/2019, 14:40
    • Lessons learnt for MP  hole in vacuum pipe, diamond BLMs broken, stripping foil broken, other beam incidents …
    • Report on LINAC4 review
    • BIS configuration – check with PSB talk, as one common BIS architecture. New specification
    • Experience with settings management
    • Outstanding issues
    • Source interlock (RF  HV).
    • Use of timing to select beams. Interface to External Conditions and SIS
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  3. 64. SIS, external conditions and timing system
    Grzegorz Kruk (CERN)
    08/05/2019, 15:40

    New SPS GMT monitoring to be put in place in SPS after LS2
    - External conditions – SIS – Timing
    - What is in place for the different injectors
    - Upgrade of EC foreseen for LS2, problems interfacing FGC
    - Longer term plans for SIS and external conditions development. Should these two be merged in the long-term future (next to a hardware BIS)?

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  4. 65. PS and machine protection
    Klaus Hanke (CERN)
    08/05/2019, 16:10
    • Experience with protection
    • Protection strategy mid and long-term
    • External conditions & SIS
    • External conditions upgrade LS2 by BE-ICS  check against talk Greg/Miguel below for overlap
    • No safe beam flag in PSB and PS, manage interlocks per beam type / external conditions
    • What about BIS in the long-term future? PS dump, connection to PSB extraction BIC
    • PS SEM grids and...
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  5. 66. Booster interlocking and operational scenarios
    Bettina Mikulec (CERN)
    08/05/2019, 16:40
    • Booster interlocking
    • Upgrade of switching magnet power supply BHZxxx which leads to dump
    • External conditions, SIS, BIS and 4-ring flexibility
    • Procedures for masking BIS and making changes to timing to get beam for <4 rings. Automate? Software, reminders?
    • Fault diagnostic – BIS diagnostics by cycle. BIS GUI OP and history buffers.
    • Operability?
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  6. 67. Conclusions - wrap up
    Daniel Wollmann (CERN)
    08/05/2019, 17:10
  7. 61. SPS HW changes for LIU beams
    Verena Kain (CERN)
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