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Long Emittance Paper Discussion¶
Phone Details¶
http://mice.iit.edu/phonebridge.html
Concept¶
A comprehensive analysis of ionization cooling within the MICE Cooling Channel.
Including:- Reduced Systematic Errors
- Data from many different runs/absorbers/settings
- Beam selection for improved matching
- Comparisons with some theory and/or MC models
Expected Contributors¶
Main author(s) | Contribution | Notes |
Tom | Beamline | Improve MC-Data Agreement - TargetUpdates.pdf |
Viktor, Durga | Beamline (TOF) | |
Scott, Craig | Absorber Systematics | Theory uncertainty / Improve absorber model |
Ajit | LH2 | |
Joe | Field Maps | Improve track fitting and optics systematics |
Chris H | Beam Selection | Improve performance |
Paul | Optics Model | Theory/MC Model |
Chris R, Melissa | Track matching | Theory/MC Model/Track Propagation |
Chris H | Track Fitting | Improve systematics |
??? | Magnet Alignment | Theory/MC Model/Systematics |
Chris R, Jaroslaw | Optics Description | Designed and implemented optics configurations in the settings used |
Agenda¶
- Discussion of concept and title
- Round table of the contributions list
- Discussion and Going forward
- AOB
Notes¶
- LongEmittanceNote.pdf - Current version of the note, mostly just the outline and contributions list by contribution
Minutes¶
Attendees: Chris H, Paul J, Chris R, Ajit K, Durga R, Joe L, Tom L, Viktor P, Scott W, Craig B
Comments:- Include beamline in theory section
- Start thinking about how MC geometry will converge at CM
- Ajit and Craig to collaborate RE: LH2 Density systematic
- Do we extrapolate to absorber or use tracker reference planes to make measurement?
- Tom
- Target geometry improvements looking good, although surveys hard to find
- MARS is computationally expensive
- Results at CM
- Durga
- New MAUS versions and calibrations for TOFs comming soon
- Funky ADC distirbutions are fixable - just need to identify correct runs
- Data-MC Discrepancy still stands - needs more work
- Chris
- MC geometry seen several updates coming to a release soon
- Craig
- Wedge analysis looks good
- Possibly apply similar analysis to LH2 shape
- Need to look at LH2 density/thickness systematics
- Ajit
- Improving LH2 MC geometry
- Is the absorber symmetric?
- Scott
- E-Loss analysis on track
- Want to use measurements in the analysis/MC Geometry
- Joe
- Field map formatting tricky
- Will be able to produce field maps for runs soon
- Chris H
- Basic beam selection is done
- 4D beam selection is difficult
- Paul J
- Some discrepancies between MC, Data and Optics model
- Aim to model optical heating
- Chris R
- Track matching works
- Reverse extrapolation of downstream tracks still missing
- Chris H
- Field integrated kalman filter is implemented but not debugged/tested
- Low-pt tracks treatment might be faster/more practical - needs looking at
AOB:
- Workshop will be quite informal - a lot is covered by System performance paper
- Should focus on determining standard Data sets and cuts, etc.
Updated by Hunt, Christopher over 5 years ago ยท 14 revisions