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    Joint LIU / HL-LHC meeting

    → Europe/Zurich
    865/1-D17 (CERN)

    865/1-D17

    CERN

    25
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    Description
    Aim: - to discuss ‘LIU / HL-LHC’ interface subjects - to discuss possible improvements (strategies, equipment improvements, schedule, beam parameters) beneficial for both projects - to clarify misunderstanding and identify parameter mismatch - to update parameter tables if needed - to ensure coherency of timeline and decisions between the two projects (e.g. ions)
      • 1
        Session 1 – C&S review outcome
        Speakers: Giovanni Rumolo (CERN), Oliver Bruning (CERN)
        • a) Protons: Updates on LIU baseline and options (incl. staged implementation), schedule
        • b) Protons: Updates on HL-LHC baseline and options (incl. staged implementation), schedule
        • c) Ions: Updates on HL-LHC baseline and options (incl. staged implementation), schedule
        • d) Ions: Updates on LIU baseline and options (incl. staged implementation), schedule
      • 2
        Session 2 – 2015 operational experience
        Speakers: Hannes Bartosik (CERN), Mike Lamont (CERN)
        • a) Linac4 status – any changes for HST, LIU parameters, schedule?
        • b) Proton beam operation and MD in the injectors – outcomes for LIU and HL-LHC?
        • c) 25 ns operation in the LHC – consequences for the LIU and HL-LHC?
        • d) Ion operation in the injectors
      • 3
        Session 3 – Shutdown planning
        Speakers: Beniamino Di Girolamo (CERN), Katy Foraz (CERN)
        • a) Work to be done in Run2 YETS and EYETS, including de-cabling, for LIU and HL-LHC
        • b) Work to be done in LS2 (LIU and HL-LHC anticipated), and LS2 length
        • c) Work to be done in LS3 (LIU delayed and HL-LHC) and LS3 length
        • d) Overview of other projects including CONS
      • 4
        Session 4 – Beam tests in injectors needed for LIU and HL-LHC
        Speakers: Rhodri Jones (CERN), Verena Kain (CERN)
        • a) Joint LIU / LH-LHC MD needs in the injectors
        • b) Equipment installation needed from CERN projects in the injectors:
          o Crab-in-SPS: needs, integration studies, timelines o Collimators in SPS: needs, timelines o Instrumentation in SPS
      • 5
        Session 5 - Other possible non-baseline improvement towards reaching target goals (beam parameters and luminosity) and implications
        Speakers: Brennan Goddard (CERN), Gianluigi Arduini (CERN)
        • a) LIU: PS, SPS impedance reduction, other beam schemes, new feedback systems
        • b) HL-LHC: RF 200/800 MHz options and bunch length for HL-LHC, measures against transverse emittance blow up in LHC