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CLIC Start-to-end Simulations. Andrea Latina, CERN AWLC - May 13 2014 - Fermilab. Contents. Start-to-end simulations Review of main simulation c odes Some results obtained in the past Work to be done. Start-to-end simulations.

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clic start to end simulations

CLIC Start-to-end Simulations

Andrea Latina, CERN

AWLC - May 13 2014 - Fermilab

contents
Contents
  • Start-to-end simulations
  • Review of main simulation codes
  • Some results obtained in the past
  • Work to be done
start to end simulations
Start-to-end simulations
  • Perform as-realistic-as-possible simulations, to assess performance and evaluate tolerances
  • Ensure low emittance transport throughout the machine under the effects of static and dynamic imperfections
  • Test mitigation techniques
  • Simulate operational scenarios and failures
  • Perform integrated luminosity studies
some of the main tools
Some of the main tools
    • SIRE: Intra-beam scattering
    • Damping ring
  • MAD-X / PTC
    • Lattice design
    • Damping ring tracking simulations
  • PLACET
    • Main beam / drive beam
    • + BDSIM
    • + HTGEN
  • GUINEA-PIG
    • Beam-beam
    • Machine detector interface; Luminosity measurement
  • RF Structure Library
    • Rebaselining
main clic beam dynamics s2e simulations tools
Main CLIC beam dynamics S2E simulations tools
  • PLACET:
    • Full 6d tracking
    • Incoherent Synchrotron radiation in all magnets
    • Coherent Synchrotron radiation in bends
    • Single-bunch wakefields, L and T, in RF structures and collimators
    • Long-range wakefields in RF structures
    • Static/dynamic errors
    • Ground motion; including realistic stabilization systems
    • Halo generation and transport
    • CLIC Drive beam
    • Octave/Python interface for complex simulation scenarios / customization
    • Optimized for speed; supports openMP and MPI
    • Accepts solenoid field-maps for MDI studies
  • PLACET+BDSIM:
    • PLACET tracking w/Halo + BDSIM secondary particles generation
  • PLACET + GUINEA-PIG:
    • PLACET tracking + GUINEA-PIG beam-beam
some of the work performed in the past
Some of the work performed in the past

As extensively documented in the CDR and subsequent CLIC-Notesand proceedings

  • Tracking through RTML + ML +BDS + IP
    • Perfect machine
  • Beam transport and integrated luminosity studies
    • RTML: transport, feed-forward correction schemes
    • ML: BBA; dynamic imperfections, feedback loops
    • ML+BDS: BBA, dynamic imperfections, stabilization system, feedback
    • BDS+IP: tuning, machine detector interface
    • Drive Beam beam dynamics
  • ILC:
    • Benchmark of results
    • Original studies: BBA in ML and RTML, tuning knobs
    • Impact of couplers in ML and RTML
work that has to be done
Work that has to be done
  • BBA throughout RTML subsystems, ML and crosstalk, longitudinal phase-space correlations (BC to ML)
  • Drive beam:
    • Transport (in progress)
    • Simulation of Drive Beam recombination scheme (in progress)
      • To extend PLACET
  • Two-sided simulations
  • Simulate BBA and integrated tuning studies using realistic diagnostic signals
  • Inject “realistic” distribution from the damping rings
  • Experimental tests of simulated components (e.g. wakefields), or entire algorithms (e.g. BBA)