Software and Computing phone meeting

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Thursday, 1 January 1970
, at 00:00 (GMT), duration : 00:00
S+99008275343115

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Enter Conference Room Number : 5343115

TimeTalkPresenter
12:00News from the front ( 00:10 ) 0 filesGrazyna Odyniec (LBNL)
12:10SVT in Run VII overview ( 00:10 ) 1 fileHelen Caines (Yale)
12:20SSD Run VII overview ( 00:10 ) 1 fileJonathan Bouchet (Subatech)
12:30TPC Run VII overview ( 00:10 ) 0 filesRichard Witt (Yale)
12:40Calibration status overall, data quality, next steps ( 00:10 ) 5 filesGene Van Buren (BNL)
12:50AOB ( 00:10 ) 0 filesAll (All)

Software and Computing phone meeting

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Thursday, 1 January 1970
, at 00:00 (GMT), duration : 00:00
TimeTalkPresenter
12:00Embedding focus - progress overview ( 00:15 ) 0 filesOlga Barannikova (UIC)
12:15SSD Fast Simulator ( 00:10 ) 1 fileJoseph Vanfossen (KSU)
12:25Xrootd, ROOT 5.12 patching ( 00:05 ) 0 filesPavel Jakl (NPI-AS)
12:30AOB ( 00:10 ) 0 filesAll (All)
12:40News from the front ( 00:15 ) 0 filesJim Sowinski (IUCF)

Software and Computing phone meeting

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Thursday, 1 January 1970
, at 00:00 (GMT), duration : 00:00
TimeTalkPresenter
12:00BBC ADC Signatures of SpaceCharge azimuthal anisotropy ( 00:15 ) 0 filesG. Van Buren (BNL)
12:15Error fitting with Sti, status report ( 00:10 ) 1 fileVictor Perevoztchikov (BNL)
12:25SVT development task list ( 00:10 ) 0 filesJ. Lauret (BNL)
12:35Institution disk space - policy reminder, the BNL case ( 00:10 ) 0 filesAll (All)
12:45Year7 geometry readiness ( 00:10 ) 0 filesMaxim Potekhin (BNL)
12:55AOB ( 00:05 ) 0 filesAll (All)

Software and Computing phone meeting

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Thursday, 1 January 1970
, at 00:00 (GMT), duration : 00:00
TimeTalkPresenter
12:00SVT+SSD alignement progress overview ( 00:15 ) 1 fileYuri Fisyak (BNL)
12:15T0/Drift Velocity studies ( 00:15 ) 1 fileIvan Kotov (OSU)
12:30Drift Velocity parametrization ( 00:15 ) 1 fileVladimir Rykov (OSU)
12:45Geometry readiness for Y7 & R&D detector naming ( 00:10 ) 0 filesMaxim Potekhin (BNL)
12:55AOB ( 00:05 ) 0 filesAll (All)

Spin PWG

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Thursday, 1 January 1970
, at 00:00 (GMT), duration : 00:00

Peter J., Jan 4, 2007

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Hi GPC and PAs,

Here are some first comments on the paper draft:

(i) physics intro, 1st para: I find the physics intro to be a bit confusing. I looked briefly at refs [6,7] (Brodsky et al and Collins). Within my distinctly limited understanding of them I don't think the last sentence of the first paragraph is accurate, and the main physics point of interest in this measurement is missed.

Residual and Pull plots (HowTo)

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Sti has a nice utility for providing Pull and residual plots for all detectors. The chain option is "StiPulls". The resulting ntuple is written to the .tag.root file.

Among other things, the ntuple stores the (position of the hit - position of the track) in the variables ending in "Pull". It should be noted that the variable contains this difference (or residual), and NOT the difference scaled by the error. This is left for the user. There are several branches of the pulls tree; one for global tracks, one for primary tracks, and one filled only during the outside-in pass of tracking.

Floating Grid Wire Studies

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Distortions in TPC data (track residuals) are seen in 2004-2006 data which are hypothesized to come from a floating Gating Grid wire. Notes from a meeting of TPC experts regarding the topic held in October 2006 can be found

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