unknown

Mapping, strip to tower distance

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For every strip we find the closest tower and determine the distance between tower center and strip center.

1) BSMD-E clusters, sliding max, fixed width

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 Goal: study SMDE energy resolution and cluster shape for single particles M-C

Input: single particle per event, fixed ET=6 GeV, flat eta [-0.1,1.1], flat  |phi| <5 deg, 500 e

1) M-C : response of BSMD , single particles (Jan)

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 Below are studies of BSMD response and calibration algo based on BMSD response to single particle M-C

Element IDs

 

PHILOSOPHY

Element IDs are part of the OFFLINE Calibrations data primary key.

details of SMD simulator, simu shower zoom-in

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Fig 1. Geant simu of EM shower of one electron with ET=10 GeV at eta=0.

Note,

CDR-Software

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Drafts for Software Chapters in HFT-CDR

 

How-to pages

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Code developers need to keep in mind that:

1) Need to follow STAR code standards

Electrostatic Calculations for West Support Cone

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Calculations from 24-July-2008 with "corrected" resistor chain geometry.

Rusults compared using 1mm mesh and 2mm mesh

Reconstruction Code QA

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 Cross reference to Reconstruction Code QA

12) investigating status of P-strips

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10) SMD-P gain equalization , ver 1.1

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Goal : predict BSMD-P relative gain corrections for every eta bin 

Method : find average slope per eta slice, fit gauss, determine average slope : avrSlope(iEta)

13) ver 1.2 : SMD-E, -P, status & relative gains, no Crate4

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Automatic BSMD-E, -P   relative calibration and status tables. 

The second pass through both SMDE, SMDP was performed, learning from previous mistakes.

Main changes:

09) QA of SMD-P slopes, ver1.1

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Automatic QA of BSMD-P minB spectra. 

Content

details about known hardware problems

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Attached file  'SMD_07.xls'  contain  my notes from run 7, the only things that might be useful for

Electrostatic Calculations for West Support Cone

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 Hi all;
 I've put some results from the latest electrostatic
calculations for the WSC at:

08) SMD-E gain equalization , ver 1.1

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Goal : predict BSMD-E relative gain corrections for every eta bin 

Method : find average slope per eta slice, fit gauss, determine average slope : avrSlope(iEta)

07) QA method for SMD-E, slopes , ver1.1

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Automatic QA of BSMDE minB spectra. 

Content

Additional test possibilities

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Here are some additional tests that have occured to me, in no particular order:

 

Summary thoughts

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Some conclusions and general suggestions, some based on the data, some on general principles:

06) QAed relative gains BSMDE, 3M d-Au events , ver1.0

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Version 1 of relative gains for BSMDE, d-AU 2008.

 

INPUT: 3M d-AU events from day ~336 of 2007.

Method: fit slopes to ADC =ped+30,ped+100.