Pion Meeting September 17 2021 4PM ET

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• Bluejeans link: 420 107 252
• Dial-in: 408-740-7256 (US), 888-240-2560 (US Toll Free), 408-317-9253 (Alternate number)

Agenda

1. Showermax modification (Dustin)
2. Updates on pion detector studies (Elham)
3. Beam generator simulations (Raj)

Attendance

David, Elham, Julia, Raj, Wouter, Dustin, Jim

Minutes

• Showermax modification (Dustin)
  • working on implementing tilting
• Updates on pion detector studies (Elham)
  • seems like tilting may not be necessary: marginal effect compared to shifting
    • TODO: move showermax one more cm outward and check rates and pi/e ratios
  • location of PMTs: much quieter behind the lead donut
    • TODO: how does this evolve by placing detector 29 at 10 cm, 20 cm behind lead donut?
  • electrons coming to rest in lucite
    • TODO: figure out directionality of these low energy electrons: direct low energy electrons into standalone model from the outer radius inward.
    • TODO: kill photons at every surface as a way to count the original Cerenkov photons
  • Cerenkov ring seems to start at front and then go to the back
    • time ordering of peaks on surfaces seems wrong
    • precursor peak?