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["Visser, Gerard" <gvisser AT indiana.edu>]

I would worry a lot about chemical contamination -- what do you plan to try to clean it with?

Maybe I am wrong, but I think you should at least ask Hamamatsu what they think of trying to clean the sensors and what procedure they would recommend.

Is there any reason to think this contamination is causing any problems? Do those sensors with contamination show higher leakage current or higher noise or anything like that?

I'm sorry but I don't have any more specific info or experience on this to offer.

      Gerard

---

From: Ye, Zhenyu <yezhenyu AT uic.edu>
Sent: Monday, May 23, 2022 10:01 AM
To: Visser, Gerard <gvisser AT indiana.edu>
Cc: Zhang, Ziyue <zzhan70 AT uic.edu>; Star-fst L <star-fst-l AT lists.bnl.gov>
Subject: Re: [Star-fst-l] STAR FST Weekly Meeting 8:30am EDT (!!!NEW TIME!!!)

 

Hi Gerard

Thanks for the comment. 

Can you please provide some reasoning for your comment, so that we understand why?

Zhenyu

On May 23, 2022, at 8:50 AM, Visser, Gerard <gvisser AT indiana.edu> wrote:

hi Ziyue, Zhenyu,

    I think you might be better off not to clean these things. Sorry but I am unable to make the meeting today, so I just share this comment (ref slide 9) by email here.

      Gerard

---

From: Star-fst-l <star-fst-l-bounces AT lists.bnl.gov> on behalf of Ziyue Zhang <zzhan70 AT uic.edu>
Sent: Monday, May 23, 2022 9:28 AM
To: Ye, Zhenyu <yezhenyu AT uic.edu>
Cc: Star-fst L <star-fst-l AT lists.bnl.gov>
Subject: Re: [Star-fst-l] STAR FST Weekly Meeting 8:30am EDT (!!!NEW TIME!!!)

 

Dear all,

The updated slides can be found in the agenda page

Regards,

Ziyue

On Fri, May 20, 2022 at 12:22 PM Ye, Zhenyu <yezhenyu AT uic.edu> wrote:

Dear all,

We will have our next FST weekly meeting next Monday at 8:30am BNL local time. 

!!! PLEASE NOTE THE NEW MEETING TIME !!!

Agenda https://drupal.star.bnl.gov/STAR/event/2022/05/23/STAR-Forward-Silicon-Tracker-Meeting

Zoom: Zoom meeting https://uic.zoom.us/j/87904302955?pwd=NENEZUFxVEFoN2dzUFNJdzJPN0p0QT09

Meeting ID: 879 0430 2955

Passcode: fSTAR2021

Best,

Zhenyu 

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