Software and Computing

12W15 S&C Meeting

2012-04-11 12:00
2012-04-11 13:00
America/New York
Wednesday, 11 April 2012
1-189, EVO, at 16:00 (GMT), duration : 01:00
TimeTalkPresenter
12:00News from the run ( 00:15 ) 0 filesPaul Sorensen (BNL)
12:15Embedding activities, resource overview for QM 2012 ( 00:20 ) 2 filesTerence Tarnowsky (MSU)
12:35Event generator framework, a proposal ( 00:20 ) 1 fileJason Webb (BNL)
12:55AOB ( 00:05 ) 0 filesAll (All)

Software and Computing Meeting

2012-04-04 12:00
2012-04-04 13:00
America/New York
Wednesday, 4 April 2012
1-189, EVO, at 16:00 (GMT), duration : 01:00
TimeTalkPresenter
12:00News from the run ( 00:15 ) 1 fileAhmed M. Hamed (TAMU)
12:15Vertex finding efficiency w/ and w/o BTOF ( 00:25 ) 0 filesYan Yang (CCNU)
12:40AOB ( 00:20 ) 0 filesAll (All)

201203

This meeting was held on 2012/03/28 to discuss

Software and Computing Meeting

2012-03-21 12:00
2012-03-21 13:00
America/New York
Wednesday, 21 March 2012
1-189, EVO, at 16:00 (GMT), duration : 01:00
TimeTalkPresenter
12:00p+p 62 GeV Run6 QA ( 00:20 ) 0 filesGeraldo Vasconcelos (UEC)
12:20AOB ( 00:20 ) 0 filesAll (All)

Software and Computing Meeting

2012-03-14 12:00
2012-03-14 13:00
America/New York
Wednesday, 14 March 2012
1-189, EVO, at 16:00 (GMT), duration : 01:00
TimeTalkPresenter
12:00News from the run ( 00:15 ) 1 fileBernd Surrow (MIT)
12:15Updates on HFT geometry and tracking development ( 00:20 ) 1 fileJonathan Bouchet
12:35AgML, closing the loop ( 00:15 ) 1 fileJason Webb (BNL)
12:50AOB ( 00:10 ) 0 filesAll (All)

HLT Beamline convergence study

In trying to automate the offline montioring of the BeamLine position, I've done some tests of the convergence of the HLT BeamLine calibration code, which uses a BeamLine as input, and thus must it

Sti Track Permutations

 As part of closing RT Ticket 2271, we implemented some protection against unreasonably long track-finding occurrences (&q

Software and Computing Meeting

2012-02-22 12:00
2012-02-22 13:00
America/New York
Wednesday, 22 February 2012
1-189, EVO, at 17:00 (GMT), duration : 01:00
TimeTalkPresenter
12:00Period coordinator report, news from the Run ( 00:15 ) 1 fileLeonard Eun (LBNL)
12:15Calibration updates Run 12 ( 00:15 ) 2 filesGrant Webb (UKY)
12:30Embedding updates ( 00:15 ) 1 fileTerence Tarnowsky (MSU)
12:45QA findings and progress for Run12 ( 00:15 ) 1 fileGene V. Buren (BNL)
13:00AOB ( 00:20 ) 0 filesAll (All)

Run 12

BeamLine for Run 12 pp200 from TPC Twist

 As I did last year, I looked at the ntuple generated for the TPC Twist calibration to determine

Offline QA Histogram Trigger Types

Offline QA Histogram Trigger Types

  • By default, the Offline QA histogramming code (under StRoot/St_QA_Maker) creates multiple sets of QA histograms (those booked in StQABookHist

Software and Computing Meeting

2012-02-15 12:00
2012-02-15 13:00
America/New York
Wednesday, 15 February 2012
1-189, EVO, at 17:00 (GMT), duration : 01:00
TimeTalkPresenter
12:00News from the run ( 00:15 ) 2 filesPibero Djawotho (TAMU)
12:15AgML status - answers of the committee's answers ( 00:20 ) 1 fileJason Webb (BNL)
12:35ESL and SUMS updates ( 00:20 ) 0 filesLevente Hajdu (BNL)
12:55AOB ( 00:05 ) 0 filesAll (All)

Software and Computing Meeting

2012-02-08 12:00
2012-02-08 13:00
America/New York
Wednesday, 8 February 2012
1-189, EVO, at 17:00 (GMT), duration : 01:00
TimeTalkPresenter
12:00News from the run ( 00:15 ) 0 filesPibero Djawotho (TAMU)
12:15Calibration update for Run 12 and Run 9 re-production ( 00:20 ) 2 filesGrant Webb (UKY)
12:35Production update ( 00:10 ) 0 filesLidia Didenko (BNL)
12:45AOB ( 00:15 ) 0 filesAll (All)

Software and Computing Meeting

2012-02-01 12:00
2012-02-01 13:00
America/New York
Wednesday, 1 February 2012
1-189, EVO, at 17:00 (GMT), duration : 01:00
TimeTalkPresenter
12:00Migration of the DB values from online to offline and monitoring ( 00:20 ) 2 filesDmitry Arkhipkin (BNL)
12:20Vertex finding using KFParticle ( 00:20 ) 1 fileYuri Fisyak (BNL)
12:40AOB ( 00:20 ) 0 filesAll (All)

Software and Computing Meeting

2012-01-18 12:00
2012-01-18 13:00
America/New York
Wednesday, 18 January 2012
1-189, EVO, at 17:00 (GMT), duration : 01:00
TimeTalkPresenter
12:00 Run 9 pp 200 FF re-calibration status ( 00:10 ) 2 filesG. Webb
12:10Run 6 pp 62 reproduction QA ( 00:20 ) 1 fileG. Vasconcelos
12:30Embedding status ( 00:10 ) 1 fileT. Tarnowsky
12:40Tools for event generators in STAR ( 00:20 ) 1 fileJ. Webb

FGT commissioning

2012-01-10 11:00
2012-01-10 12:00
America/New York
Tuesday, 10 January 2012
EVO bridge, at 16:00 (GMT), duration : 01:00

Present: Hal, Anselm, Bernd,Gerard,Ramiro,Will, Jan, Dave U., and Steve G.

 Milestones for FGT comissioning are :  

  1. ***DONE***  demonstarted 90% of channels work before collossions (pedestals are healthy)
  2. ***DONE***  FGT hold 3.6kV w/ ArCo2 gass
  3. demonstarted 90% of channels still work when beam circulates
  4. timing is set
  5. mapping in offline DB is correct
  6. set workig point for pp500 

 

FGT commissioning tasks  ver 2   (time ordered, [M]- denotes a milestone) 

 
------- FEE powered on, STAR DAQ operational ------ 
 
1) setup all control files and demonstarte all GUIs are operational
2a) ped+status table ,  [M1: 90% of APV works & 90% of channels/each APV works]
2b) adjust APV ped in fee , repeat - if needed 
3) access: fix broken hardware
4) HV test w/o beam , N2 gas, 1 day, Bernd, [M2: FGT holds 3.6kV]
5) swap gas , N2-->ArCo2, Bob S. , 1/2 day, just before collisions
------- require collision overnight ---------  
6) HV up/down w/ collisions, 6 days, Bernd+Gerrit
7a) ped+status table , 1 day  [M3: 90%-90% live channels under beam] 
7b)  access: fix broken hardware
------- minB trigger set -----
8)  attempt to catch FGT collision signal during ETOW timing using minB trigger
-------   EHT trigger, possible 3/4 of ETOW HV off to better use avaliable band width ----
10) set timing, 3 data sets taken 2 days apart, 1 week, Jan+Gerard , [M4: timing set]
* set 1 : disperse offsets for groups 5APV (per octant), scan TCD delay to catch collision in some 
* set 2 : adjust all APVs, determine residual corrections per APV
* set 3 : verify signal centered at 2nd time bin for all APV chips
11) re-adjust APV ped
12) verify quadrant mapping, 1 day , few data sets with quadrants HV on/off
13) verify APV mapping, take few data sets with alternative APVs on/off .
--------- regular pp200 physics data taking, many fills  ---------

13) study of FGT working point : multiple data sets, ~2 days per set, considered combinations:

     *gas mix: 70-30 , 90-10 
     * HV set to 3.4, 3.5, 3.6 kV
     * low gain ref data at  low HV with one gas mix
14) verify strip mapping using  large  data sets, needs non-existing software [M5: mapping in DB is correct]

------------ after few weeks of pp200 data taking -------

15) tune APV  params to optimize signal shape,  Criterium:   signal amplitude to noise RMS , no code for that  

16) enable ZS , requires Willie's online monitoring to work, and on-line peds computation (by Tonko's  code?) 

----------- before switch to pp500 ---------

17) chose final working point for FGT HV & gas-mix [M6: pp500 lworking point]

-----------  pp500, take production data: goal prove FGT works ---------

 18) operational L2W algo w/ monitoring , Ross works on it now

 

 

Minutes:

  •  overview of commissioning plan, revision follows (draft schedule in attachment, obsolete), main conclusions:
    • significant # of tasks can and should be accomplished before the first collisions - see green section
      • analysis of ped+stat of one taken already run should proceed now
    • we do not have schedule with dates & names, I'll not give up on this
    • there are 4 people who will be allowed to operate FGT HV are: Benrd,Gerrit,Ross,Ramiro
    • handling of FGT operation in to STAR crew is a very distant idea, the plan is this 4 people will support fgt operation on site as long as it is needed 
    • finding the collision signal in FGT data is perceived as very difficult (shown in red)
      • it is safer to require the EHT trigger (plan A), but also try to see FGT signal with minB trigger during EMC timing scan (very optimistic scenario)
      • FGT deadtime in the early weeks is ~700 us, e.g. 7% dead @ 100 Hz.
      •  may require lower EHT thres and turn of HV for 3/4 of ETOW - need dedictaed trig config & EMC settings
      • deveopement of not existing code fitting time dependence of individual pulses has  been elevated to the top
      • in parallel developement of nonexisting code fitting integrals will be pursued
    • verification of mapping in DB will have 3 phases: quadrant, APV, and strip-level
    • tuning of peds in APV will be done twice: ASAP, and after timing is adjusted
    • not decided what FGT gas pressuer & HV will be set for study of the best working point (days-long data sets in pp200)
      • analysis criteria were discussed: efficiency vs. HV; cluster size; efficiency vs. saturation of cluster energy; MIP signal to pedestal width;
      • with disconnect to avaliable software - there is no code do generate any of those observables nor people to schedule to work on it
    • identified need for software to evaluate signal/noise , needed to tune APV settings
  • the discussion about use of existing vs. developing new code was endless.  People remained faithful to their respective views. In my opinin the comissioning task #16 - enableing ZS for pp500 - requires Willie to finish up the code he started.  Many side benefits justify Willie does it now, not  in a month. 
  • questions from Jan:
    •  access dates  - Bernd will sent a note
    • will FEE be on 24/7 : yes, said Gerard
    • how do we deal with correlated noise : Gerard suspects it is not a big issue, we have ped file taken w/ STAR DAQ and a maker based software to compute sth. Limitted (to 1) possible manopwer. Analysis downgraded in priority, after code for items up to 13 is in hand.
    • when do we switch to ZS mode? G: at the end of pp200.
    • will we ever use  wave form readout mode? G: we do it already. 
  • NOT discuss status of FGT readout based on Willie's plots http://drupal.star.bnl.gov/STAR/node/23008/
 
 
 

 

Present dE/dx calib in DEV vs. SL11d

The present version of the dE/dx calibration for Run 11 200 GeV AuAu RFF data was made assuming a correction for TPC anode currents.

Software and Computing Meeting

2011-11-02 12:00
2011-11-02 13:00
America/New York
Wednesday, 2 November 2011
1-189, EVO, at 16:00 (GMT), duration : 01:00
TimeTalkPresenter
12:00HFT software status ( 00:20 ) 1 fileSpiros Margetis (KSU)
12:20Open calibration issues for starting Run 11 AuAu200 production ( 00:20 ) 0 filesGene V. Buren (BNL)
12:40Update on data production ( 00:10 ) 0 filesLidia Didenko (BNL)

Tracking Eval meeting #7

2011-11-01 15:00
2011-11-01 17:30
America/New York
Tuesday, 1 November 2011
1-189, EVO, at 19:00 (GMT), duration : 02:30
TimeTalkPresenter
15:00Tracking Review Planning ( 00:15 ) 0 filesJerome Lauret (BNL)
15:15Documentation Status ( 00:15 ) 0 filesJason/Victor/Ivan/All
15:30Production samples readiness ( 00:15 ) 0 files Lidia Didenko (BNL)
15:45Track-by-track evaluation ( 00:15 ) 0 filesYuri Fisyak (BNL)
16:00Tester results and questions ( 00:20 ) 1 fileAll

Comments on Run 11 TPC anode current dE/dx corrections

Yi Guo presented his results on using the TPC anode currents to correct dE/dx at the Oct.