Difference between revisions of "20170310-JleicIonIntegration"
From CASA Wiki
Line 8: | Line 8: | ||
* Spreadsheet and simulation (esme) progress | * Spreadsheet and simulation (esme) progress | ||
* Involved cross-check between spreadsheet and esme | * Involved cross-check between spreadsheet and esme | ||
+ | * [http://www.toddsatogata.net/JLEIC/2017-03-10-JleicBunchFormation.pptx slides are here] | ||
==== Beam Parameter Spreadsheet ==== | ==== Beam Parameter Spreadsheet ==== | ||
− | * Todd | + | * Todd continues to develop a [http://www.toddsatogata.net/JLEIC/JLEICBeamParameters.xlsx draft beam parameters spreadsheet] ([http://www.toddsatogata.net/JLEIC/JLEICBeamParameters.png png]), including input parameters and derived parameters, and a rough start at some instability thresholds |
* Note that these are explicitly '''beam''' parameters, (mostly) not accelerator hardware parameters (e.g. lattices, instrumentation, etc) | * Note that these are explicitly '''beam''' parameters, (mostly) not accelerator hardware parameters (e.g. lattices, instrumentation, etc) | ||
− | ** | + | ** Will move forward with reorganizing beam/lattice parameters area in coming weeks |
* Three goals: | * Three goals: | ||
** Ensure consistency of design beam parameters at matchpoints between JLEIC machines | ** Ensure consistency of design beam parameters at matchpoints between JLEIC machines |
Revision as of 13:30, 10 March 2017
Mar 10 2017 JLEIC Ion Integration Meeting (and Notes)
Agenda being developed
Bunch Formation Progress
- Todd has started evaluating bunch formation proposals from Jiquan
- Spreadsheet and simulation (esme) progress
- Involved cross-check between spreadsheet and esme
- slides are here
Beam Parameter Spreadsheet
- Todd continues to develop a draft beam parameters spreadsheet (png), including input parameters and derived parameters, and a rough start at some instability thresholds
- Note that these are explicitly beam parameters, (mostly) not accelerator hardware parameters (e.g. lattices, instrumentation, etc)
- Will move forward with reorganizing beam/lattice parameters area in coming weeks
- Three goals:
- Ensure consistency of design beam parameters at matchpoints between JLEIC machines
- Provide input to impedance and instability calculations, and broader beam simulation effort
- Serve as a machine-by-machine beam parameter reference for the eventual CDR
R&D Items: Ion Integration
- Bunch formation (Jiquan, Todd, Randy; Ed, Vasiliy)
- Most pressing immediate need is to characterize bunch formation plan through Booster and Collider rings
- All beams start as coasting beams at Booster injection, so no major impact from ion source/ion linac parameters
- Ion source (Amy) / Linac (Todd/Brahim) / LtB / Booster injection (Ed)
- Linac cost
- Pulsed ion QWR/HWR gradients and RF control
- Booster space charge control
- Booster injection design
- Transverse/longitudinal emittance budget vs DC cooling
- Polarization
- Booster extraction (Ed/Todd?) / Booster to Collider (Todd, Yves?) / Collider injection (Vasiliy?)
- Bucket to bucket synchro/cogging?
- Final beam stripping
- Polarization (AGS to RHIC transfer spin design chapter)
- Coordination with other groups
- Beam cooling (Steve Benson et al.: Booster DC, Collider)
- Instability/impedance (Rui Li et al.)
Reference Materials
- JLEIC Fall 2016 Collaboration Meeting (Oct 5-7 2016, InDiCo)
- JLEIC Spring 2017 Collaboration Meeting (Apr 3-5 2017, website)
- JLEIC svn repository
- Last meeting (Feb 10 2017)
Attendance
- TBD