STAR Protected

TPC weekly

2021-04-14 15:00
America/New York
Wednesday, 14 April 2021
virtual , at 19:00 (GMT), duration : 00:00
Agenda
- hardware update
- operations
- calibration updates


       Apr 14, 2021 03:00 PM
        Apr 21, 2021 03:00 PM
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TPC weekly

2021-03-24 15:00
America/New York
Wednesday, 24 March 2021
virtual , at 19:00 (GMT), duration : 00:00
agenda
- hardware status
- operations
- software
 - big events
 - update on test productions

Minutes:
hardware: There was a failure of LV for TPX. broken fan; replaced with spare available in IR.
Have ordered 3 more fans, special. 3 mo. delivery

After a massive trip, one HV section 20-4 itpc seem not to have been brought up and not noticed. Asked David
to check the readouts during this event.

We see very large events in run 19 reconstruction, and in current data taking
a) current activity is related to the beat-squeeze; discussed also at ops meeting. Under discussion what to happen
b) run-19 reco is related to some store with BMM running throughout some runs.

Discussion on TPC calibration. Good progress is being made. Additional discussions later this day.

       
        Mar 24, 2021 03:00 PM
        Mar 31, 2021 03:00 PM
        Apr 7, 2021 03:00 PM
        Apr 14, 2021 03:00 PM
        Apr 21, 2021 03:00 PM
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TPC weekly

2021-03-31 15:00
America/New York
Wednesday, 31 March 2021
virtual , at 19:00 (GMT), duration : 00:00
Agenda

-hardware
-operation
- test production progress
- AOB


      Mar 31, 2021 03:00 PM
        Apr 7, 2021 03:00 PM
        Apr 14, 2021 03:00 PM
        Apr 21, 2021 03:00 PM
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TimeTalkPresenter
14:00new schema for Inner Sector alignment ( 00:20 ) 1 fileHongwei Ke

TPC weekly

2021-04-07 15:00
America/New York
Wednesday, 7 April 2021
virtual , at 19:00 (GMT), duration : 00:00

TPC weekly

2021-03-17 15:00
America/New York
Wednesday, 17 March 2021
virtual , at 19:00 (GMT), duration : 00:00
agenda
- hardware status
- operations
- software
  - cluster quantization
  -update on test productions



        Mar 17, 2021 03:00 PM
        Mar 24, 2021 03:00 PM
        Mar 31, 2021 03:00 PM
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        Apr 21, 2021 03:00 PM
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TPC weekly

2021-03-10 15:00
America/New York
Wednesday, 10 March 2021
virtual , at 20:00 (GMT), duration : 00:00
Minutes

No issue with TPC hardware
-Have adjusted methan content to make Vdrift more constatnt; there were several period in Feb with variations.
- powerdips and magnet trips during last weeks running.

The two runs in day 38 and 66 had outer sector 19 exhibit large excess of charge that extended for all pad and rows for about 150 timebins. See blog entries in https://drupal.star.bnl.gov/STAR/blog/videbaks/tpc-qa-2021 near top of page

Most likely a faulty GG driver board . Alexei suggested looking at signals from board during next maintanence day (unless it get really bad). Will talk to Tim on this.

Gene reported looking at laser un running 7.7 GeV for local clock vs. coll clock. Did not see any different between laser positions. Now looking at prompt hits for two conditions, (UPDATE: small shifts seen for the entire TPC by 14.1 ns, but not on the scale of 1 time bucket; documentation is here)

Yuri show plots 
these are references for plots which we discussed today
1. Comparison RF and FF  https://drupal.star.bnl.gov/STAR/system/files/TpcCSTransformations_0.pdf
-- the FF has only 34k events.Alignment same for two settings.
2. QA plots for RunXXI (express production) : https://www.star.bnl.gov/~fisyak/star/BES/
---
3. Lasers for different fields
-- no clear pattern. Sector 20 seems consistent for all fields. 20 has best lasers
4. Prompts for different VPD timing cuts
-- shows dependence on collisions timing (sum of VPD timing)
The last plots on meeting page only








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March 9

  • RAW to MuDst production
    • pp500_production_2017 (physics)
      441849 files have been converted out of 654286
      Around 68% Completion

Information for the Junior Representatives

 

Analysis 54.4GeV

 

March 2

  • RAW to MuDst production
    • pp500_production_2017 (physics)
      425280 files have been converted out of 654286
      Around 66% Completion

March

 

NPE v2 analysis note

 

FST purple cable length

I realized and mentined a number of times that the cable route from FST to PPB will have different length

I  requested the following from Felix and Rahul

Council meeting

April 8, 2021

- draft minutes from meeting added to page

February 23

  • RAW to MuDst production
    • pp500_production_2017 (physics)
      409176 files have been converted out of 654286
      Around 64% Completion

February 16

  • RAW to MuDst production
    • pp500_production_2017 (physics)
      394786 files have been converted out of 654286
      Around 61% Completion

TPC calibration reviews

2021-02-16 09:30
America/New York
Tuesday, 16 February 2021
virtual , at 14:30 (GMT), duration : 00:00
 The talk will be posted on BNL indico
https://indico.bnl.gov/event/10740/

T
his page will be used for draft talks
TimeTalkPresenter
09:00TPC Calibration Organization ( 00:20 ) 1 fileGene Van Buren (BNL)
09:30surveys ( 00:20 ) 1 fileF.Videbaek
09:50Resources for HLT and Express Production ( 00:20 ) 1 fileHongwei Ke
11:00TPC Distortions ( 00:40 ) 1 fileGene Van Buren (BNL)
11:40FXT event-by-event correction ( 00:20 ) 1 fileIrakli
12:00TPC calibration ( 01:10 ) 1 fileYuri Fisyak

February 9

  • RAW to MuDst production
    • pp500_production_2017 (physics)
      394672 files have been converted out of 654286
      Around 61% Completion

February 2

  • RAW to MuDst production
    • pp500_production_2017 (physics)
      394469 files have been converted out of 654286
      Around 60% Completion

February