Second meeting – Valencia Intermediate results of WP 4.1. Synergia 23th and 24th September 2010
Communication from SYNERGIA about GSI benchmarking
description
Transcript of Communication from SYNERGIA about GSI benchmarking
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Communication from Communication from SYNERGIA about GSI SYNERGIA about GSI
benchmarkingbenchmarking
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100’000 100’000 TurnsTurns
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SC Collaboration MeetingSC Collaboration MeetingDate: Tuesday 20th and Wednesday 21st of MayInvitation only ~11!Preliminary Program:
- Status report for the PIC codes PTC-py_ORBIT, SYNERGIA and IMPACT.
- Report about results concerning the Giuliano benchmarking suite for the PIC codes covering all 9 steps.
- First results from the various investigations concerning noise in PIC codes and in particular for storage rings.
- Progress with the frozen space charge codes.
- How well do we understand the (2011-2013) PSB & PS experiments with simulations?
- Next plans for simulations for the CERN pre-accelerators and experiments planned for 2014.
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SC Collaboration Meeting OrganizationSC Collaboration Meeting Organization• Secretary: Delphine• Advertized with all in/ouside of CERN
• BE auditorium booked• Coffee from EuCard
• Foyer reservation: in process• Web page indico: in progress
• Finalized program with chairperson: early January
• Registration fee: advantage dinner with guests possible Wednesday evening
• External collaborators: Giuliano + student Frederic Kester, Oliver Boine-Frankenheim, Ingo Hofmann, Jeff Holmes, James Amundson + Eric Stern, Ji Qiang, Valery Kapin, Christoph Montag, Sinshy Machida• Alexander Molodozhentsev preferred not to come for 2 days only!
• Students needed for questions
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Educational Talk 2aEducational Talk 2a
Phase Advance and TunesPhase Advance and Tunes
• Tracking done for a FODO lattice with sextupoles including random component to create strong sextupole resonances to first order, in particular the Qx + 2 Qy = n coupled resonance.
• Non-linear only no space charge
• Tunes similar to the PS experiment Qx = 0.07 and Qy = 0.48.
• In the tracking just amplitudes are change in 4D.
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Constant Part of Hamiltonian in 5D & 6DConstant Part of Hamiltonian in 5D & 6D
ChromaticityChromaticityNon-linear detuningNon-linear detuning
Synchrotron TuneSynchrotron Tune
Longitudinal InvariantLongitudinal Invariant
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Tunes = Averaged Phase Advance
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Qx + 2 Qy = 1
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The numbers correspond to the previous plot