STAR QA Board

[Rongrong Ma <marr@bnl.gov>]

Hello Tong

40 is the number of inner TPC pads. Are these tracks confined in the inner TPC? If that is the case, their pT should be quite small. Could you check this?

Best

Rongrong

On Feb 5, 2021, at 5:14 PM, Tong Liu via STAR-QAboard-l <star-qaboard-l@lists.bnl.gov> wrote:

Hi Xin,

Thanks for pointing this out; Yes, I can certainly extend the maximum of nhits to 75 from the next iteration. As for the peak at 40, I don't have any good idea myself about why this is happening, and I didn't hear anyone commenting on this during the meeting (at least when I was talking about it). Does anyone know why there is this issue?

P.S. The updated slides with my event- and track-level cuts are attached. Please also advise on which cut I should adopt or change.

https://drupal.star.bnl.gov/STAR/system/files/TLiu_JetCorr_QA_210205_0.pdf

Tong Liu

Ph.D. Student '2023 

Physics Dept., Yale University

Tel: 203-435-2130

On Fri, Feb 5, 2021 at 12:02 PM Xin Dong <xdong@lbl.gov> wrote:

Hi Tong,

Thanks. I may not be able to join today's meeting. I have one quick comment

- on your slide 5, could you please extend your nHits range to maybe 75 or 80. With iTPC, our nHitsMax can reach up to 72 (40 inner +32 outer). On the right figure, do you know why there is a peak at nHitMax = 40?

Thanks and Regards

/xin

On Fri, Feb 5, 2021 at 8:57 AM Tong Liu via STAR-QAboard-l <star-qaboard-l@lists.bnl.gov> wrote:

Hi all,

I would like to give a short update on the recent dataset's QA; please find my slides in the following link:

https://drupal.star.bnl.gov/STAR/system/files/TLiu_JetCorr_QA_210205.pdf

Best,

Tong Liu

Ph.D. Student '2023 

Physics Dept., Yale University

Tel: 203-435-2130

On Thu, Feb 4, 2021 at 6:40 PM Frank Geurts via STAR-QAboard-l <star-qaboard-l@lists.bnl.gov> wrote:

Folks,

Please join our first Run21 QA meeting, tomorrow (Friday) at noon (EST). Details, including the Zoom link can be found at the following event link:

https://drupal.star.bnl.gov/STAR/event/2021/02/05/run-21-qa-board-meeting

-Frank








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Xin Dong
Nuclear Science Division, Lawrence Berkeley National Laboratory
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