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S30XL-LESA/LDMX
This page provides information on the alignment procedure of the SVT tracker for the 2019 data.
We start with elastically-scattered, full-energy electrons from the early calibration runs employing the Full Energy Electron (FEE) trigger.
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More details about the run can be found at 2019 Run Spreadsheet.
Preliminary reconstruction was performed with a snapshot of the hps-java master using the HPS-PhysicsRun2019-v2-4pt5.
Since we are starting with an unaligned detector, and pattern recognition may be affected, we make rather tight selection cuts on the event as a whole to get a good quality sample of tracks. We start with a sample of events in which one and only one high energy cluster was found in the electromagnetic calorimeter, and one and only one track was found in the event.
We list data samples publicly available at SLAC. Samples can be made available at other locations if need be.
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/nfs/slac/g/hps_data2/data/physrun2019/hps_010104/skim/alignment/hps_010104.evio.00XXX_alignment_YY.slcio XXX=000 - 206 YY = top, bottom
The primary working directory for these studies at SLAC is
/nfs/slac/g/hps_data2/data/physrun2019/feeAlignment/
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