Simulation Meeting December 22 2020 12PM ET

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Agenda

1. Shielding downstream-region update: Chandan docDB659 page33-42

Attendance

Caryn, Rakitha, Mark L. Pitt, Chandan Ghosh, Elham Gorgannejad, Ciprian Gal, Devi Adhikari, Kk, Weibin, Sandesh Gopinath, Wouter Deconinck, Kent Paschke, sakib, Dustin McNulty

Minutes

1. Shielding downstream-region update: Chandan:
   1. The goal is Shielding for coil epoxy for DS coils and reducing ep background coming from the beamline
   2. Implemented shielding pipes (five tungsten tubes) within the DS coil. Then looking for the possibility to remove the DS two bounce shield and Col-5
   3. New configuration reduces the coils dose only the DS coil nose but they are comparable between the old and new design
   4. The first two tubes blocks the positrons (using beam generator)
   5. The latter three tubes will block the background electron background escaping to ring 5 (using ep generators)
   6. For now keeping the Col-5
   7. It appears that we will not need to long septapus for positron shielding
   8. Next steps: Nose does study, optimize the shielding to reduce the total mass, last tube could interfere with the moller envelope, will check.

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