STAR QA Board

[Rongrong Ma <marr@rcf.rhic.bnl.gov>]

Hello Kaifeng

Thanks very much for the followup studies. 

Since the VpdVz-Vz peak position is shifted to the negative side by about 5 
cm, I think it is better to cut on |VpdVz-Vz+5| < 3 or < 5 cm. Nevertheless, 
your cut is also fine for our purpose of checking the TpcVz distribution with 
increased signal-to-background ratio, and we do see that the distribution is 
closer to what one would expect. The two peak structure still exists, 
probably due to the remaining background events. 

For 23066068, the RunLog says it is a good run. Not sure why you could not 
get any events. Maybe the fast offline jobs failed? For 23069015, do you 
analyze all events in st_physics? Do you see normal track multiplicities in 
this run?

Best
Rongrong

> On Mar 12, 2022, at 8:51 AM, Kaifeng Shen via STAR-QAboard-l 
> <star-qaboard-l@lists.bnl.gov> wrote:
> 
> Dear All,
> 
>    Please find the Mtd hits and matched check and |VpdVz - Vz| cuts check 
> in this link: 
> https://drupal.star.bnl.gov/STAR/system/files/20220311_pp_500GeV_Mtd_Vz_check.pdf
> Any comments and suggestions are welcome.
> 
> Best regards,
> Kaifeng
> 
>> -----原始邮件-----
>> 发件人: "Ting Lin via STAR-QAboard-l" <star-qaboard-l@lists.bnl.gov>
>> 发送时间: 2022-03-12 02:38:09 (星期六)
>> 收件人: "star-qaboard-l@lists.bnl.gov" <star-qaboard-l@lists.bnl.gov>
>> 抄送: 
>> 主题: Re: [STAR-QAboard] QA Board Meeting March 11
>> 
>> Hi all:
>> 
>> A brief minutes for today's meeting:
>> https://drupal.star.bnl.gov/STAR/comp/qa/pwg-qa/run-22-qa
>> 
>> For Run-22 offline QA:
>> From Lanny Ray:
>>  1). Run 23064046 decreased number of hits in Sector 9, anode/RDO 6 for 
>> both st_fwd and st_physics; but hit density is not affected. -> Gain for 
>> the RDO is less. RDO-6 for this run is masked out for future offline 
>> analysis.
>>  2). Run 23066075: bad BTOW pedestals Gene discussed this with Navagyan 
>> Ghimire who reviewed the pedestal upload history. From the QA shift 
>> report: Pedestals for BEMC were reset for runs 23066073, 23066074, 
>> 23066075, and 23066076. Those runs will likely not be usable for analyses. 
>> -> This may have impact in BEMC vertex finding, need to check in the 
>> offline analysis if they are good to use.
>>  3). Runs 23066068 and 23069015 MTD – TPC track matching was anomalous 
>> with a very high peak at 0. 
>> 
>> From PWG groups:
>> Cold QCD:
>> 1). For day 061 (Idx [0-14]), the FCS chain options were included and that 
>> lead to problems with the MuDst files. The FCS chain options were out for 
>> the other days. 
>> 2). Still seeing very low nTCan and nTZero。  
>> 3). Slightly higher EemcTwrMult
>> 
>> LF:
>> 1). Some picoDst root files (23066068) in RCF show a problem: no keys 
>> recovered, file has been made a Zombie. Can not gain access to these files.
>> -> 5 jobs complete without errors, but others have errors, Gene will 
>> follow this up.
>> 
>> BulkCorr
>>  1). Continue to see double TPC Vz peak.
>>  2). TPC Vz - VPD Vz = 5cm
>> 
>> HF:
>>  1). A laser run 23066046 has large deviation in VpdVz, Vz-VpdVz, 
>> VpdHitEast/West, primary Vertex (x,y,z), primary track eta, mtdDeltaZ
>>  2). Do not have electron candidates in 23066004~23066082 (33 runs, many 
>> short runs);
>>  3). Need to check MTD Hits plot, MTD matched hits plots for Runs 23066068 
>> and 23069015 MTD issues seen by Lanny.
>> 
>> JetCorr
>>  1). 23066032 only has 2 files in the offline production. 
>>   -> Some issues about iTPC bad channels fail the production.
>> 
>> Best,
>> Ting
>> 
>>> -----Original Messages-----
>>> From: "Ting Lin" <tinglin@sdu.edu.cn>
>>> Sent Time: 2022-03-10 08:51:18 (Thursday)
>>> To: "star-qaboard-l@lists.bnl.gov" <star-qaboard-l@lists.bnl.gov>
>>> Cc: 
>>> Subject: QA Board Meeting March 11
>>> 
>>> Hi all:
>>> 
>>> We will have a QA board meeting on Friday at noon BNL time, 
>>> https://drupal.star.bnl.gov/STAR/comp/qa/pwg-qa/run-22-qa
>>> 
>>> If you have slides to show, please link to the meeting page (in below 
>>> link) or send it to me.
>>> https://drupal.star.bnl.gov/STAR/event/2022/03/11/QA-Board-Meeting
>>> 
>>> Join ZoomGov Meeting:
>>> https://urldefense.com/v3/__https://bnl.zoomgov.com/j/1618435669?pwd=L3B6M3JKcjRFMVFxQTNhaEdBdkZ5UT09__;!!P4SdNyxKAPE!XDk_JDnqdoPFbfkrCex5TNYwQ_iLcE5-_JF9o2vmaUk1ffloIVCOjGY8vgT_kazaV8P3Y8anYWA$
>>>  
>>> Meeting ID: 161 843 5669
>>> Passcode: 194299
>>> 
>>> Thanks.
>>> Ting
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