2019 Reconstruction Passes

This page is intended as a portal to information about the processing of the data taken during the summer of 2019.

Data Taking

Information about the run can be found on the HPS Run Wiki. A selection of runs deemed of production value has been generated and can be found here.

Data Snapshots

During the run, individual partitions were cached on disk and processed to provide near-real-time data quality monitoring (DQM) plots.

Selected partitions (all files ending in 041 and 042, representing ~1.6TB of data in evio format) of selected "good" runs are now available on disk for pre-processing.

They can be found at JLab on /cache/hallb/hps/physrun2019/data/hps_*/*041 and /cache/hallb/hps/physrun2019/data/hps_*/*042.

They can be found at SLAC on /nfs/slac/g/hps_data2/data/physrun2019/samplePartitions/

Reconstruction Passes

A first pass reconstruction was performed using a snapshot of the master branch.

The output can be found at SLAC at /nfs/slac/g/hps_data2/data/physrun2019/samplePartitions/recon/ 

Log files for the reconstruction can be found in the logs subdirectory.

Events were reconstructed with the following command line:

java -Xmx2048m -cp hps-distribution-4.4-2019-SNAPSHOT-bin.jar org.hps.evio.EvioToLcio -x /org/hps/steering/recon/PhysicsRun2019FullRecon.lcsim -r -d HPS-PhysicsRun2019-v1-4pt5 -DoutputFile=hps_010740.evio.01042_recon hps_010740.evio.01042 -e 10000

Analyzing these files should provide a good idea of how conditions changed during the run.