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03 periodic summary of all acquired events

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att 1) all W-events for ~300K from days 76-89

att 2) one fill from day 83, 34K W-events, I think BPRS peds were not subtracted for some runs, page 7 

Calibration Uncertainty Calculation

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Summary:

Integral Delta G Study

 Using Werner's code I calculated A_LL for pi0 production over my eta range for 15 different integral values of Delta G.

02 QA of TPC tracks

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 Daq files with W events were reco w/ BFC "pp2009a ITTF BEmcChkStat QAalltrigs btofDat Corr3  beamLine -VFMinuit  VFPPVnoCTB -dstout -evout"

Event cuts:

Run 9: pp500 Low Luminosity Fill

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 The low luminosity fill was taken using runs 10083130, 133, 139, and 143, with BBC coincidence rates of ~50 kHz, using the BBCMB trigger.

y2005gStar

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y2008aTpce

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y2008aStar

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y2009Tpce

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y2009Star

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01 BPRS live channels on day 82, pp 500 data

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Status of BPRS live channels on March 23, 2009, pp 500 data.

Input: 32K events accepted by L2W algo, from 31 runs taken on day 81 & 82.

y2008yfTpce

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y2009

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y2008yfStar

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Endcap Tower Timing Settings Run 9

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For now see link to blog page:

Yuri_Test_PionMinus_032009

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QA PionMinus

Anode wire aging

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 See the attached file: 

spaceChargeCorR2.20071101.000001.C

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Note that the ewratio should be set to 1.0 for all symmetric beam species (e.g. AuAu, CuCu, pp). The example shown here is from dAu where the ratio of 1.202 was used.

All Errors

The plot below shows the total errors, statistical and systematic, for the cross section measurement.  The inner tick marks on the error bars represent the statistical errors.

01 raw spectra from EMC for L2W events, day 76

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Analysis of BHT3*L2W triggered events for pp 500

 runs 10076136,152,153,154,161, only W-stream