2016-07-21-emittance¶

Friday 21st July 14:00 BST; we will be in the MICE meeting room in R1.

Phone details:

http://mice.iit.edu/phonebridge.html

Agenda¶

Durga:

• Estimate of the systematic error associated with rate-dependence in TOF?
• Does TOF calibration vs path length help at all?

Chris Hunt and Rogers

• What dos the p-value distribution look like? Are the p-values not uniform if not, why not?
• What is the error on tracker recon introduced by the field non-uniformity?
• What is the error on tracker recon introduced by the disagreement between model and field maps cf: slide 3 of
  https://indico.cern.ch/event/485764/contribution/2005672/attachments/1249829/1842249/fieldmapping.pdf

Scott and Tanaz:

• Discussion of muon shoulder; radial cuts; etc

Celeste:

• Any results for likelihood-based PID?

Jan, Yingpeng and Rogers:

• What is the source of disagreement between TOF and tracker?
  • What is the material budget between TOF and tracker? Is it correct? (See Francois also)
  • What is the solenoid alignment like

Joe and Victoria:

• Are the OPERA model and Hall probes consistent? How big are the inconsistencies?
• Continue trying to untangle the field mapping data for SSU

Francois:

• Can the agreement between MC and data be improved? Dipole fiddling?
  • At what statistical significance do MC and data disagree?
  • What are the systematic errors (e.g. from quad/dipole/solenoid settings, incorrect material model etc)?

Victoria:

• Decoupled/2D emittance calculation?

Notes¶

Ryan
Durga
Tanaz
Dave Neuffer

TOF

• Issue with MC
  • Rayner calibration was not working with MC; taking calibrations from data and plugging them into MC was not okay
  • Got good results by doing calibration using TOF0
  • Fit fails on TOF1
• Offset of 60-100 ps - no progress
  • Speed of light offset did not give the expected correction; needs digging