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#ALICE Analysis Task for Jpsi in Jet

AliPhysics @ ROOT6

Event data model: AOD

Pre-requisities

Physics selection PID response CDB connect EMCal correction

Dependency

PWGDQ/dielectron - AliDielectron PWGJE/EMCalJet - AliEmcalJet AliROOT - AODExtension / BranchReplicator

Methods

Initialization of tasks and outputs.

Execution:

  1. Check PID response and AOD 1.1 Fill Event_RAW histograms, with Track_RAW
  2. Event selection 2.1 Fill Event histograms, with Track_ALL
  3. Track selection 3.1 Fill Track histograms
  4. Dielectron pairing 4.1 Check $J/\psi$ candidates 4.2 Fill Dielectron histograms
  5. Run jet finder 5.1 Fill Jet histograms, Jet
  6. Fill AOD event
  7. Replace legs with $J/\psi$ as track
  8. Re-run jet finder 8.1 Fill Jet_WithJpsi histograms
  9. Find $J/\psi$ in jets 9.1 Extract FF histograms

Interface

Getter/Setter for AliDielectron, AliEmcalJet and AODExtension

Event selection: trigger and cuts

Cuts definition, for events, tracks, $e^{+}e^{-}$ pairs and jets.

FLAG: Runwise QA

MC

$J/\psi$ from $c\bar{c}$, $b\bar{b}$, b-hadron.

Decay channel: $J/\psi\rightarrow e^{+}e^{-}$

Histograms

Runwise?
RAW - before EventCut
Event - Before Track cut
QA - After Track cut, by triggers
Physics - After J/psi and Jet reconstruction

Output

AliAOD.Dielectron.root

JpsiJetResult.root