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[Yi Yang <yiyang AT ncku.edu.tw>]

Hi Zhenyu and all,

I have upload the latest CAD files for the mechanical structure on the drupal. 

Mechancial_Structure_0709.zip

Please have a look. 

Cheers,

Yi

+++++++++++++++++++++++++++++++++++++++++++++++++++
Yi Yang, Associate Professor
Department of Physics
National Cheng Kung University
Tainan, 701 Taiwan
E-Mail: yiyang AT ncku.edu.tw
Tel: +886-6-2757575 ext.65237
Fax: +886-6-2747995
Group Web: http://phys.ncku.edu.tw/~yiyang
+++++++++++++++++++++++++++++++++++++++++++++++++++

On Fri, Aug 16, 2019 at 1:43 AM Ye, Zhenyu <yezhenyu AT uic.edu> wrote:

Minutes for today’s meeting

News
Flemming joins the project as a deputy manager. Welcome!

Hamamatsu Silicon sensors
Zhenyu - received 8+12 baby sensors from Hamamatsu last Thursday. Measured IV and CV curves for a couple of them. There are something that is not understood, such as InnerSensor Chip1 has developed a much higher leakage current than the OuterSensor Chip1. It is suspected that this could be due to mis-handling of the InnerSensor Chip1 during the test, or the storage. Will investigate more into this and measure more sensors.

Hybrid, Hybrid and Inner Signal cables
Mike, Qian, Yi - Confirmed the plan for prototypes as described in an earlier email sent to the FST list. Yi asked whether he could get more hybrids which may be needed for initial setup of gluing hybrids onto Mechanical structure. He will discuss with AIDC about the latter and come back with a more definitive idea.

Mechanical structure
Yi - Has sent a 3D-printed module to Zhenyu and should arrive next week. NCKU has not signed the contract with Easton (company making the Mechanical structure) but expected to do so in 1-2 days. AIDC started looking into bending tubes. Yi looked into radiation hardness of the EPDM tubes online. He will try to complete the document for Mechanical structure, which will be useful for future references, and reviews.

Simulation
Te-Chuan: trying to include cooling tubes into the GEANT model.
Krishan: get efficiency plots and discuss with Daniel about these results. He will prepare a presentation on these results and how he gets them for the next FST meeting
Daniel: The old tracking code is not working after DEV got recompiled in June. It is agreed that it will be good to keep this option and Daniel will contact the S&C to resolve the issue. Daniel will also try to immigrate his new tracking code into StRoot so that other people can take a look and run it. Daniel plans to give a presentation at the next forward upgrade or FST meeting on the track (hit) finding algorithm and performance in p+p and Au+Au.


> On Aug 13, 2019, at 7:34 AM, Ye, Zhenyu <yezhenyu AT uic.edu> wrote:
>
> Tomorrow -> the day after tomorrow
>
>> On Aug 13, 2019, at 7:33 AM, Ye, Zhenyu <yezhenyu AT uic.edu> wrote:
>>
>> Dear all,
>>
>> We will have a meeting at 9am BNL time tomorrow (Thursday August 15). The meeting agenda and bluejeans info can be found at
>>
>> https://drupal.star.bnl.gov/STAR/blog/yezhenyu/forward-silicon-tracker-weekly-meeting
>>
>> 1. News - All
>> 2. Hamamatsu silicon sensor - Zhenyu Ye
>> 3. T-board, Hybrid, Inner Signal Cable - Jianing Dong, Michael Capotosto, Gerard Visser
>> 4. Mechanical Structure - Yi Yang, Han-sheng Li
>> 5. Simulation - Te-Chuan Huang, Krishan Gopal
>>
>> Best,
>> Zhenyu
>>
>>
>
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