ZeroBias primary dataset in AOD format from RunB of 2010 (/ZeroBias/Run2010B-Apr21ReReco-v1/AOD)
/ZeroBias/Run2010B-Apr21ReReco-v1/AOD, CMS collaboration
Cite as: CMS collaboration (2014). ZeroBias primary dataset in AOD format from RunB of 2010 (/ZeroBias/Run2010B-Apr21ReReco-v1/AOD). CERN Open Data Portal. DOI:10.7483/OPENDATA.CMS.ACV6.SYP3
Dataset Collision CMS Collision energy 7TeV Accelerator CERN-LHC
Description
ZeroBias primary dataset in AOD format from RunB of 2010
Notes
This dataset contains all runs from 2010 RunB. However, the ZeroBias dataset does not contain any validated runs. It is therefore NOT recommended to perform analysis on this dataset. The list of validated runs, which must be applied to all analyses, can be found in
CMS list of validated runs Cert_136033-149442_7TeV_Apr21ReReco_Collisions10_JSON_v2.txt
Characteristics
17192479 events 128 files 366.0 GB in totalSystem Details
FT_R_42_V10A::AllCMSSW_4_2_8
How were these data selected?
Since the actual ZeroBias triggers were moved to the MinimumBias dataset, the remaining events do not contain useful information and this sample should not be used.
How were these data validated?
During data taking all the runs recorded by CMS are certified as good for physics analysis if all subdetectors, trigger, lumi and physics objects (tracking, electron, muon, photon, jet and MET) show the expected performance. Certification is based first on the offline shifters evaluation and later on the feedback provided by detector and Physics Object Group experts. Based on the above information, which is stored in a specific database called Run Registry, the Data Quality Monitoring group verifies the consistency of the certification and prepares a json file of certified runs to be used for physics analysis. For each reprocessing of the raw data, the above mentioned steps are repeated. For more information see:
CMS data quality monitoring: Systems and experiences
The CMS Data Quality Monitoring software experience and future improvements
The CMS data quality monitoring software: experience and future prospects
How can you use these data?
You can access these data through the CMS Virtual Machine. See the instructions for setting up the Virtual Machine and getting started in
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Disclaimer
The open data are released under the Creative Commons CC0 waiver. Neither CMS nor CERN endorse any works, scientific or otherwise, produced using these data. All releases will have a unique DOI that you are requested to cite in any applications or publications.
