[Halld-offline] Reconstruction Launch: 2018-08 ver00 (Low Energy)

[Alexander Austregesilo]

Dear Collaborators,

We just completed a full reconstruction launch of the so-called low energy data we recorded in Fall 2018. For this data set, we measured the flux for photon energies between 3 and 6 GeV in order to compare cross sections with previous measurements. In addition, the coherent peak was shifted down to 7 GeV.

We used the halld_recon tag 'recon-2018_08-ver00’.

The 1200 REST files are can be found on the cache disk:

/cache/halld/RunPeriod-2018-08/recon/ver00/REST/

For realistic background in simulations, we extracted the random triggers and converted the signals to hddm:
/cache/halld/RunPeriod-2018-08/recon/ver00/converted_random/

The histograms and efficiency trees can be found here:
/cache/halld/RunPeriod-2018-08/recon/ver00/{hists,tree*}

A subfolder with merged histograms and trees is included in each folder.

The results are also visible on the usual monitoring web-pages:

https://halldweb.jlab.org/data_monitoring/Plot_Browser.html
https://halldweb.jlab.org/cgi-bin/data_monitoring/monitoring/runBrowser.py
https://halldweb.jlab.org/cgi-bin/data_monitoring/monitoring/versionBrowser.py

Best regards,
Alex
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