Π polarizability Meeting Dec 7, 2021

Meeting Time And Location

03:00 pm EST (JLab time)

REMOTE during Covid-19

Connecting

You can connect using BlueJeans Video conferencing (ID: 949 429 419).

Tentative Agenda

1. Previous CPP meeting: Apr 12, 2021
2. Announcements
3. CPP and NPP Readiness Review
4. Reference to CPP Configuration
5. Updates on design (Richard/Jim)
6. Discussion (All)

Minutes

Attending: Richard, Mark Dalton, Elton (arrived late), James McTyre, Daniel Prather, Chris Stanislav, Mark Stevens, Tim Whitlatch (left early)

1. Previous CPP meeting: Apr 12, 2021
   • email exchanges following the last meeting
   • Reviewed notes before Elton connected (?)
2. Announcements
3. Updates on design (James)
   • The documentation is collected in the wiki at UConn.
   • Description of the microscope move can be found at Moving the Tagger Microscope
   • The calculation for new positions can be found at Calculating the Tagger Microscope Move
   • Some of the links to calculations are still pointing to (private) areas on James' computer, but will be moved in coordination with Richard to a more standard location.
   • One important point is that rails cannot accommodate all 17 bundles. Only bundles 1-16 willl fit. This results in having 96 microscope columns instead of 100. However, this will provide sufficient coverage for CPP.
   • James' calculations for the microscope were referenced to yc=0, whereas the coordinate designation indicates they should be at yc=-0.9 cm, which Elton used in his calculations
   • James will update the calculations and generate locations for the microscope with a maximum energy of 6.2 GeV. These will be compared to Elton's numbers. Once any discrepancies are resolved, the drawings can be updated and the 3 new alignment pieces will be ordered in preparation for the move.
4. Discussion (All)