Difference: SplitClusterStudy (8 vs. 9)

Revision 92017-12-15 - AdamHunyadi

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META TOPICPARENT	name="AdamHunyadi"

Split Cluster Study

Links

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For no PU, I usually generate TTbar events.

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Running the HistogramMerger

Running the HistogramMerger is as simple as checking out the git repository and specifying the target files and the output name in src/main.cxx.

How to add dynamic inefficiency

The tag is set when the db file is generated.

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process.dynineffprefer = cms.ESPrefer("PoolDBESSource", "DynIneffReader")

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Calculating the pileup for data files

Example:

brilcalc lumi --byls -u /nb --minBiasXsec 78100 --begin 5659 --end 9999 | head -n-8 | tail -n+5 | sed "s;|;;g;s;:; ;g"):

This bash-script can be called from the SplitClusterStudy analyzer (currently commented out), but opening a socket to store the string as a result still regularly fails (and also takes up too much time when testing).

Running the HistogramMerger

Running the HistogramMerger is as simple as checking out the git repository and specifying the target files and the output name in src/main.cxx.

Results

TTbar events, no pileup, 95% dcol efficiency statistics files:

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Validation

Examples for module cluster plots of single events are shown below. Nothing unordinary to be seen.

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Low eta module, 50 events merged	High eta module, 50 events merged

Fluctuations in the leftmost and the rightmost pixels

Positions for the boundary clusters in pixels:

All boundary pixels	Leftmost pixels	Rightmost pixels

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Since the dcol loss has the opposite effect on the rightmost and leftmost pixels, the total boundary pixel distribution does not show any fluctuation effect.

For 95% dcol efficiency the leftmost cell shows ~8.5-10.5% less pixels in the odd columns

For 95% dcol efficiency the rightmost cell shows ~8.5-10.5% less pixels in the even columns

Plans for the analysis

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META FILEATTACHMENT	attachment="CLUSTER_BOUNDARY_PIX_COLS_BPIX.png" attr="" comment="Boundary cols. BPIX example" date="1513345428" name="CLUSTER_BOUNDARY_PIX_COLS_BPIX.png" path="CLUSTER_BOUNDARY_PIX_COLS_BPIX.png" size="12828" stream="CLUSTER_BOUNDARY_PIX_COLS_BPIX.png" tmpFilename="/usr/tmp/CGItemp131" user="AdamHunyadi" version="1"
META FILEATTACHMENT	attachment="CLUSTER_LEFTMOST_PIX_COLS_BPIX.png" attr="" comment="Leftmost pixels, BPIX example" date="1513345784" name="CLUSTER_LEFTMOST_PIX_COLS_BPIX.png" path="CLUSTER_LEFTMOST_PIX_COLS_BPIX.png" size="13001" stream="CLUSTER_LEFTMOST_PIX_COLS_BPIX.png" tmpFilename="/usr/tmp/CGItemp5080" user="AdamHunyadi" version="1"
META FILEATTACHMENT	attachment="CLUSTER_RIGHTMOST_PIX_COLS_BPIX.png" attr="" comment="Rightmost pixels, BPIX example" date="1513345822" name="CLUSTER_RIGHTMOST_PIX_COLS_BPIX.png" path="CLUSTER_RIGHTMOST_PIX_COLS_BPIX.png" size="12588" stream="CLUSTER_RIGHTMOST_PIX_COLS_BPIX.png" tmpFilename="/usr/tmp/CGItemp4992" user="AdamHunyadi" version="1"

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META FILEATTACHMENT	attachment="Low_eta_example.png" attr="" comment="Low eta module cluster plot example" date="1513348926" name="Low_eta_example.png" path="Low_eta_example.png" size="32355" stream="Low_eta_example.png" tmpFilename="/usr/tmp/CGItemp5021" user="AdamHunyadi" version="1"
META FILEATTACHMENT	attachment="High_eta_example.png" attr="" comment="High eta module cluster plot example" date="1513348943" name="High_eta_example.png" path="High_eta_example.png" size="31463" stream="High_eta_example.png" tmpFilename="/usr/tmp/CGItemp5003" user="AdamHunyadi" version="1"

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