20180330-Optics-Mtg

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Logistic information

 BlueJeans calling instructions:
 Toll-Free Number (U.S.&  Canada):  888-240-2560
 International toll number:         408-740-7256
 PARTICIPANT CODE:                  #9989030149
 Room IRL:                            <none>

Minutes

• Tyler
  • Fixing radiation issues in generator - external target effects were missing, now back in
  • Getting 1 GHz @ 70uA, different from 700 MHz in proposal
  • Need to compare tail cuts and sizes to data
  • Has implemented PREX-I collimator
  • Needs to check septum mistune (believed to be 5% lower than nominal for PREX-I)

• Ryan
  • Reviewing coordinate systems
  • "Focal plane" has x-dependent rotations from detector system and is different from trasnport system
  • Should be comparing transport to HRStrans results
  • Still not obvious where 3cm L/R x position differences come from - are removed in momentum reconstruction
    • Will track down
    • Will develop translation between fp reconstruction matrices and transport equivalents

• Eric will be working on Moller spectrometer simulations with Sanghwa