TDIS Bi-monthly meeting, 2018 April 17

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Agenda

• Target cell test stand [1]
• Simulation Update (Rachel) [2]

Minutes

• Rachel provided an update on various simulation tasks (all on-going), including:

- Solenoid field influence on electron drift (seems acceptable overall);

- GEM simulation to study ion backflow (seems reasonable for Ar:CO2 mix, but a software issue is suspected for He:CH4 mix);

- Lambda decay background in kTDIS (results indicate one may have an handle on those);

- Beam background on detectors ("first glance").

• Dipangkar presented a drawing of a device to test the target cell: resistance to pressure (up to 2bars), sagging, etc. Most parts have already been ordered.

• Ed provided an udate on the test stand:

- JLab will get a Common Readout Unit ordered by BNL;

- a rigid design of the Front-End-Cards have been submitted to vendors; one of them offered to produce 5 units for ~$10k (vs ~$15k); at such a price, they consider ordering 2 more.

Organizational details

11:00 AM, JLab meeting room: CC A110

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