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TPC weekly

Updated on Thu, 2021-01-21 12:19. Originally created by videbaks on 2021-01-20 08:25.
2021-01-20 08:24
America/New York
Wednesday, 20 January 2021
virtual , at 13:24 (GMT), duration : 00:00
 agenda
-- hardware
-- run preparation
-- software
    + Gene: Residuals with the iTPC


TPC meeting Jan 20, 2021

 

Hardware:

Inspection walk tru done. Checked HV. Leak rate is good < 2l/min after rep of valve.

Prepare for low Ar flow Friday, high flow Sunday. Blue sheet Monday

Laser Need to replace 3 windows- ordered. East side very good West some rafters missing due to windows.

 

Run Prep:

DB for TPC should be initialized. Yuri

Discussed HLT running for cosmics. HLT will be commissioned during cosmics, files should be kept as they are useful.

 

Discussed the proposal for running FF. With the current  schedule for beam injection Friday evening in Blue, and Gas flow starting Tuesday morning at best one can get about ~ 1 day worth maybe 10M. As it will also be the first day of running it will probably be used for commissioning (e.g GMT triggers) the sample can be less. The EPD and BBC installation will also take place Thursday/Friday when magnet has to be off.  Yuri said it could be useful for checking but not enough for full calibration.

 

Gene presented his ongoing study of inner-outer matching looking at very low-luminosity run from 19.6 , and under different conditions. See blog https://drupal.star.bnl.gov/STAR/blog/genevb/residuals-itpc

The 2020 calibration gives large track residual at the lowest pads (1-6 or so), while the ‘old’ does not show this but slightly larger values. Irakli pull up some plot and see similar effects in some of his results (from maybe a year ago).

 

Yuri is working on alignment. No results yet.

 

 

 




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Centrality dependence study of v2 and v3 in AuAu collision at 27 and 54 GeV

Updated on Wed, 2021-01-20 01:06. Originally created by pdixit on 2021-01-20 01:06.

 

»

flow and v2-pt correlation in small system

Updated on Wed, 2021-01-20 09:24. Originally created by slhuang on 2021-01-19 23:18.

 

»

flow and v2-pt correlation in small system

Updated on Tue, 2021-01-19 23:18. Originally created by slhuang on 2021-01-19 23:18.

 

»

AOB

Updated on Wed, 2021-01-20 13:14 by gnigmat. Originally created by dongx on 2021-01-19 13:49.

Reference


Talk time : 12:40, Duration : 00:10

- production update
- Xrootd writing tool
- RT3 update
- PicoDst update:

  • Event contains ZdcUnAttenuated values, number of primary tracks
»

CVS->Git Update: Test on Library Built and Timeline

Updated on Tue, 2021-01-19 13:49. Originally created by dongx on 2021-01-19 13:48.

Reference

Speaker : Gene van Buren, Dmitri Smirnov, Grigory Nigmatkulov


Talk time : 12:20, Duration : 00:20

 

TPC Calibration Review

Updated on Tue, 2021-01-19 13:46. Originally created by dongx on 2021-01-19 10:47.

Reference

Speaker : Flemming Videbaek, Lijuan Ruan


Talk time : 12:00, Duration : 00:20

 

Weekly Meeting (Jan 15th, 2021)

Updated on Fri, 2021-01-15 18:49. Originally created by mhstar on 2021-01-15 08:54.

  - Minghui: calibration summary

Compiling and using library dependent on both Fastjet and St* classes

Updated on Mon, 2021-02-15 13:56. Originally created by ewigleben on 2021-01-14 16:26.

Once one has installed a local copy of fastjet on RCF (follow these directions if you have not done this yet), it takes a littl

»

Photon+jet and Pi0+jet: Delta phi angular (de)correlation

Updated on Thu, 2021-01-14 07:51. Originally created by nihar on 2021-01-14 07:51.

 

»

Proton_Higher_Moments_3GeV

Updated on Mon, 2022-01-31 16:00. Originally created by sheppel on 2021-01-14 02:59.
Paper Title:
Measurements of Proton Higher Order Cumulants in \sqrtsNN  = 3G
»

JPS2021 spring

Updated on Mon, 2021-01-18 00:56. Originally created by nish on 2021-01-14 02:45.

 

»

Residuals with the iTPC

Updated on Thu, 2021-01-14 01:58. Originally created by genevb on 2021-01-14 00:20.
I took a look at residuals from 500 events in Run 19 19.6 GeV data, run 20057003, which is one of the lowest luminosity runs in that dataset as shown by the red markers in this plot of log10
»

Intermittency analysis-CFPWG-Jan14

Updated on Thu, 2021-01-14 09:05. Originally created by wujin on 2021-01-13 22:53.

 

»

Higher Moment Analysis of Net-Kaon with 3 GeV data

Updated on Wed, 2021-01-13 21:58. Originally created by shyam on 2021-01-13 21:50.
»

EPD install, calibration and commissioning for Run 21

Updated on Mon, 2021-02-01 23:00. Originally created by rjreed on 2021-01-13 13:48.

Results

»

Deciphering the nuclear structure via isobar collisions

Updated on Tue, 2021-01-12 21:27. Originally created by chunjian on 2021-01-12 21:27.

 

»

LFSUPC 3.0 GeV sqrtsNN FXT target Kaon0_S

Updated on Tue, 2021-03-16 22:41 by zhux. Originally created by jdb on 2021-01-12 19:28.
Request TypeStandard Embedding request (particle in real events)
Description
equest Type: Standard embedding request
Particles: K_S -> pi+ + pi-
Data set:2018 FXT 3.85GeV (3.0GeV sNN) 
Production: P19ie
Trigger ID: bbce_tof main trigger 620052
Event level selections: 198 < Vz < 202cm
5% of multiplicity embed
Kinematic: flat pT: 0–3 GeV, flat: eta [-2,0], flat phi 0-2pi
Bad Run list: [24]=
19151029,19151045,19152001,19152078,19153023,
19153032,19153065,19154012,19154013,19154014,
19154015,19154016,19154017,19154018,19154019,
19154020,19154021,19154022,19154023,19154024,
19154026,19154046,19154051,19154056
Statistics requested: 2.5M events
General Information
Request ID20210201
Priority: EC0
Priority: pwgNormal
StatusLarger (or full) sample done, producing PWG QA [6/7]
Physics Working GroupLFS-UPC
Requested byjdb
Contact email(s)jbrandenburg@bnl.gov
Contact phone(s)
PWG email(s)lfsupc-hn@www.star.bnl.gov
Assigned Deputy: Not assigned
Assigned Helper: Not assigned
Global Simulation Settings
Request type:Standard Embedding request (particle in real events)
Number of events1
Magnetic FieldReversed Full-Field
Collision Type---- SELECT COLLISION TYPE ----
Centrality---- SELECT CENTRALITY ----
BFC tags
Production---- SELECT PRODUCTION TAG ----
Geometry: simu---- SELECT GEOMETRY ----
Geometry: reco---- SELECT GEOMETRY ----
Library---- SELECT STAR LIBRARY ----
Vertex option---- SELECT VERTEX OPTION ----
Pileup optionNo
Detector Set
Data Sources
Real Data
File lookup
Single Particle MC
ParticleKaon0_S
Particle settingsFlat in Pt
Particles per event5
Vertex Z, cm-30 < Vertex < 30
Gaussian sigma in X,Y,Z (cm), if applicable0, 0, 0
Vertex offset: x, mm0
Vertex offset: y, mm0
Φ (phi), radian0 < Φ < 6.29
η (eta)-0.5 < η < 0.5
Pt, GeV0 < Pt < 3
»

AOB

Updated on Tue, 2021-01-12 16:14. Originally created by dongx on 2021-01-12 16:14.

Reference


Talk time : 12:45, Duration : 00:10

- RT3
- Xrootd writing tool
- ... 

Geant4STAR update

Updated on Wed, 2021-01-13 12:20 by jwebb. Originally created by dongx on 2021-01-12 16:14.

Reference

Speaker : Jason Webb


Talk time : 12:25, Duration : 00:20