...
- PrimaryVertexFinder - searches for the primary vertex
- BuildUpVertex - searches secondary vertices
- JetClustering - jet clustering using vertex information
- FlavorTag - prepares of flavor tagging input variables
- MakeNtuple - produces ROOT files containing ntuples for training
- TrainMVA - performs TMVA training
- ReadMVA - applies result of training
Example of PrimaryVertexFinder + BuildUpVertex
| Code Block |
|---|
<processor name="MyLcfiplusProcessor" type="LcfiplusProcessor"> <!-- run primary and secondary vertex finders --> <parameter name="Algorithms" type="stringVec"> PrimaryVertexFinder BuildUpVertex </parameter> <!-- specify input collection names --> <parameter name="PFOCollection" type="string" value="PandoraPFOs" /> <parameter name="PrimaryVertexCollectionName" type="string" value="PrimaryVertex" /> <parameter name="BuildUpVertexCollectionName" type="string" value="BuildUpVertex" /> <!-- parameters for primary vertex finder --> <parameter name="PrimaryVertexFinder.TrackMaxD0" type="double" value="20." /> <parameter name="PrimaryVertexFinder.TrackMaxZ0" type="double" value="20." /> <parameter name="PrimaryVertexFinder.TrackMaxInnermostHitRadius" type="double" value="20." /> <parameter name="PrimaryVertexFinder.TrackMinVtxFtdHits" type="int" value="5" /> <parameter name="PrimaryVertexFinder.Chi2Threshold" type="double" value="25." /> <!-- parameters for secondary vertex finder --> <parameter name="BuildUpVertex.TrackMaxD0" type="double" value="10." /> <parameter name="BuildUpVertex.TrackMaxZ0" type="double" value="20." /> <parameter name="BuildUpVertex.TrackMinPt" type="double" value="0.1" /> <parameter name="BuildUpVertex.TrackMaxD0Err" type="double" value="0.1" /> <parameter name="BuildUpVertex.TrackMaxZ0Err" type="double" value="0.1" /> <parameter name="BuildUpVertex.TrackMinTpcHits" type="int" value="20" /> <parameter name="BuildUpVertex.TrackMinFtdHits" type="int" value="3" /> <parameter name="BuildUpVertex.TrackMinVxdHits" type="int" value="3" /> <parameter name="BuildUpVertex.TrackMinVxdFtdHits" type="int" value="0" /> <parameter name="BuildUpVertex.PrimaryChi2Threshold" type="double" value="25." /> <parameter name="BuildUpVertex.SecondaryChi2Threshold" type="double" value="9." /> <parameter name="BuildUpVertex.MassThreshold" type="double" value="10." /> <parameter name="BuildUpVertex.MinDistFromIP" type="double" value="0.3" /> <parameter name="BuildUpVertex.MaxChi2ForDistOrder" type="double" value="1.0" /> <parameter name="BuildUpVertex.AssocIPTracks" type="int" value="1" /> <parameter name="BuildUpVertex.AssocIPTracksMinDist" type="double" value="0." /> <parameter name="BuildUpVertex.AssocIPTracksChi2RatioSecToPri" type="double" value="2.0" /> </processor> <processor name="MyLcfiplusProcessor" type="LcfiplusProcessor"> </processor> |
Input variables for flavor tagging
Variables are computed for each jet.
name | description |
|---|---|
trk1d0sig | d0 significance of track with highest d0 significance |
trk2d0sig | d0 significance of track with second highest d0 significance |
trk1z0sig | z0 significance of track with highest d0 significance (ordering by d0, not z0) |
trk2z0sig | z0 significance of track with second highest d0 significance (ordering by d0, not z0) |
trk1pt | transverse momentum of track with highest d0 significance |
trk2pt | transverse momentum of track with second highest d0 significance |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Using training results
Example of getting How to get flavor tagging information inside a Marlin processor:
...