Difference between revisions of "PPB - August 24, 2022"
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(Created page with "===Coordinates=== * On-site => Wednesdays @ 11am EDT in TL-2236 * Zoom => https://jlab-org.zoomgov.com/j/1609550529?pwd=RlNJYytUSk1tbzNJeUIxNUptTk9UzQT09&from=addon ===Update...") |
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* Zoom => https://jlab-org.zoomgov.com/j/1609550529?pwd=RlNJYytUSk1tbzNJeUIxNUptTk9UzQT09&from=addon | * Zoom => https://jlab-org.zoomgov.com/j/1609550529?pwd=RlNJYytUSk1tbzNJeUIxNUptTk9UzQT09&from=addon | ||
| − | ===Updates on last week's | + | ===Updates on last week's Action Items=== |
* Yves/Dennis - work on beam lines #6 & #7 (123 MeV arc and exit line) | * Yves/Dennis - work on beam lines #6 & #7 (123 MeV arc and exit line) | ||
* Alicia/Reza - find gun/buncher/qcm models and circulate e- parameter table for gpt study | * Alicia/Reza - find gun/buncher/qcm models and circulate e- parameter table for gpt study | ||
| − | * Joe - continue tallying list of options for magnets and SRF | + | * Joe - continue tallying list of options for magnets and SRF [[media:220824_LERF_injectors.pptx]] |
* Yves/Joe - reconcile LERF coordinates wrt CEBAF | * Yves/Joe - reconcile LERF coordinates wrt CEBAF | ||
| − | * Carlos - summarize existing Wien capability for LERF gun voltage | + | * Carlos - summarize existing Wien capability for LERF gun voltage [[Media:Existing Wien capabilities for LERF gun voltage Carlos' slides 08-24-2022.pptx]] |
* Sami - reconcile orbit offset vs. beam size and account for particle loss starting from target | * Sami - reconcile orbit offset vs. beam size and account for particle loss starting from target | ||
* Joe/Fanglei/Amy - exchange ideas/options for e+ spin rotator inside LERF | * Joe/Fanglei/Amy - exchange ideas/options for e+ spin rotator inside LERF | ||
| + | *Sami - QWT study plan [[File:QWT_plan.pdf]] | ||
| − | === Actionable | + | === New Actionable Items === |
| + | * Sami - evaluate e+ yield and final momentum as a function of capture linac parameters (gradient phase aperture) | ||
| + | * Yves - begin working on injection/extraction lines from linacs | ||
| + | * Dennis - update LERF to SL transport line to agree better with the FML costing geometry | ||
| + | * Alicia - solicited for emission parameters for GPT, building model of Gun through QCM (desired matchpoint) | ||
| + | * Carlos - evaluate gun voltage and electrode gap for 60 deg and E profiles vs. gap (compared to as built magnetic profile) | ||
| + | * S&A will plan to measure LERF relative to CEBAF and cryo points for Joe, Kelly will add FML layout to CEBAF and provide Joe Gubeli points for CEBAF | ||
| + | * Joe Gubeli - would like elegant lines when available, can show them in LERF model | ||
| + | * Joe/Fanglei/Amy - exchange ideas/options for e+ spin rotator inside LERF | ||
| + | * Joe - prototype experiment planning | ||
=== Reminders === | === Reminders === | ||
Latest revision as of 20:01, 24 August 2022
Coordinates
- On-site => Wednesdays @ 11am EDT in TL-2236
- Zoom => https://jlab-org.zoomgov.com/j/1609550529?pwd=RlNJYytUSk1tbzNJeUIxNUptTk9UzQT09&from=addon
Updates on last week's Action Items
- Yves/Dennis - work on beam lines #6 & #7 (123 MeV arc and exit line)
- Alicia/Reza - find gun/buncher/qcm models and circulate e- parameter table for gpt study
- Joe - continue tallying list of options for magnets and SRF media:220824_LERF_injectors.pptx
- Yves/Joe - reconcile LERF coordinates wrt CEBAF
- Carlos - summarize existing Wien capability for LERF gun voltage Media:Existing Wien capabilities for LERF gun voltage Carlos' slides 08-24-2022.pptx
- Sami - reconcile orbit offset vs. beam size and account for particle loss starting from target
- Joe/Fanglei/Amy - exchange ideas/options for e+ spin rotator inside LERF
- Sami - QWT study plan File:QWT plan.pdf
New Actionable Items
- Sami - evaluate e+ yield and final momentum as a function of capture linac parameters (gradient phase aperture)
- Yves - begin working on injection/extraction lines from linacs
- Dennis - update LERF to SL transport line to agree better with the FML costing geometry
- Alicia - solicited for emission parameters for GPT, building model of Gun through QCM (desired matchpoint)
- Carlos - evaluate gun voltage and electrode gap for 60 deg and E profiles vs. gap (compared to as built magnetic profile)
- S&A will plan to measure LERF relative to CEBAF and cryo points for Joe, Kelly will add FML layout to CEBAF and provide Joe Gubeli points for CEBAF
- Joe Gubeli - would like elegant lines when available, can show them in LERF model
- Joe/Fanglei/Amy - exchange ideas/options for e+ spin rotator inside LERF
- Joe - prototype experiment planning
Reminders
Workshop on Polarized Sources Targets and Polarimetry (PSTP22) - Mainz, Germany, Sept 26-29 2022 [1]
- J. Grames, "Spin Polarized Positron Beam Upgrade for Jefferson Lab", Abstract