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    Preparation for MD4

    → Europe/Zurich
    17/1-007 (CERN)

    17/1-007

    CERN

    28
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    Yohany, Simulations versus meaurements of beta* and waist

    A sign discrepancy obtained by Yohany in our waist corrections is probably related 

    to the fact that we take as reference of waist shift the direction towards the focusing quadrupole.

    A different correction configuration was found equivalent to ours. A discrepancy up to 50%

    on correction strength was observed.

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    Joshua, Harpy-sussix comparsion

    Many important fixes in Harpy. 100-epsilon % bug free!

    Checks with simulation and real data.

    Harpy should read only data within the start and end turns.

    Beta from amp ok. from phase ok. 

    Some BPMs are cleaned differently for harpy_bpm.

    harpy_svd and harpy_fast have few % wrong coupling, maybe ok.

    Target frequencies not yet using measured. This may improve coupling. 

    Frequency noise to be computed from BPM resolution.

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    Elena, Gui

    big changes in GUI. Compatible with Sussix and hole-in-one.

     

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    There are minutes attached to this event. Show them.
      • 14:00 → 14:20
        Comparison of the waist shift of the β* from simulated and experimental data 20m
        Speaker: Yohany Rodriguez Garcia
        waist_shift_comparison.pdf
      • 14:20 → 14:40
        Hole in one status 20m
        Speakers: Joschua Werner Dilly (Ministere des affaires etrangeres et europeennes (FR)), Lukas Malina (University of Oslo (NO))
        presentation.pdf
      • 14:40 → 15:00
        GUI changes 20m
        Speakers: Elena Fol (University of Applied Sciences (DE)), Jaime Maria Coello De Portugal - Martinez Vazquez (Universitat Politecnica Catalunya (ES))
        omcMeeting1210.pdf