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2019:groups:tools:correlations [2019/06/27 16:15] sezen.sekmen [Quantifying overlaps between analysis search regions using ADLs] |
2019:groups:tools:correlations [2019/06/27 16:24] sezen.sekmen [Quantifying overlaps between analysis search regions using ADLs] |
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Members: Sezen, Wolfgang (, Harrison) | Members: Sezen, Wolfgang (, Harrison) | ||
- | Find and visualize overlaps in a model-independent way, without generating events. Directly sample the event selection. Targeted for analysis design phase. | + | Find and visualize overlaps in a model-independent way, without generating events. Directly sample the event selection. Useful for analysis design phase, or quick comparisons within experiments (e.g. Run2 CMS SUSY pMSSM combination) |
* Start from the analysis description, which lists objects and event selections. | * Start from the analysis description, which lists objects and event selections. | ||
* Construct a feature space from all mathematically orthogonal variables (e.g. MET, jet1.pt, jet2.pt, electron1.eta, ...). | * Construct a feature space from all mathematically orthogonal variables (e.g. MET, jet1.pt, jet2.pt, electron1.eta, ...). | ||
- | * Randomly sample the feature space for each analysis. | + | * Randomly sample the feature space for each analysis based on cuts on the feature space components (jet1.pt > 100, MET > 299, etc.). |
* Use the sampled points to compute values for variables such as HT(jets), dphi(jets), MT(lepton, MET), etc. | * Use the sampled points to compute values for variables such as HT(jets), dphi(jets), MT(lepton, MET), etc. | ||
* Compare feature spaces between analyses, find and visualize overlaps and exclusions. | * Compare feature spaces between analyses, find and visualize overlaps and exclusions. |