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["Fisyak, Yuri V" <fisyak AT bnl.gov>]

Alexei, thank you. This is very important measurement.

 

                                                              Yuri Fisyak

STAR                                           Phone: +1 631 344 3913
Brookhaven National Laboratory  Fax:    +1 631 344 4206
510A/1-161
http://www.star.bnl.gov/~fisyak       E-mail: fisyak AT bnl.gov

 

 

 

From: Lebedev, Alexei <alebedev AT bnl.gov>
Date: Tuesday, February 20, 2024 at 3:18 PM
To: Fisyak, Yuri V <fisyak AT bnl.gov>
Cc: Lebedev, Alexei <alebedev AT bnl.gov>
Subject: TPC survey

Dear Yuri

I finished measurements of target displacement on TPC wheel versus actual position. For all holes target dropped vertically down due to target gravity.

 I did only inner holes on wheel. There are too  difficult to measure others.

Sectors       Displacement down, MM

3                                1.8

4                                1.7

9                                 2.3

10                               1.8

14                               2.0

15                               2.0

16                               1.8

20                               1.9

21                               1.8

22                               1.8                        

 

Accuracy about    .15mm

Best regards, Alexei