ShowMCParticles Class Reference

Inheritance diagram for ShowMCParticles:

Public Member Functions
	event (self)

Detailed Description

Simple module to collect some information about MCParticles

Definition at line 47 of file KoralWPlots.py.

Member Function Documentation

event()

event

(

self

)

Fill the histograms with the values of the MCParticle collection

Definition at line 51 of file KoralWPlots.py.

    def event(self):
        """Fill the histograms with the values of the MCParticle collection"""
 
        mcParticles = Belle2.PyStoreArray('MCParticles')
        nTracks = mcParticles.getEntries()
        h_nTracks.Fill(nTracks)
        for i in range(nTracks):
            mc = mcParticles[i]
            if mc.hasStatus(Belle2.MCParticle.c_PrimaryParticle):
                p = mc.getMomentum()
                h_momentum.Fill(p.Mag())
                h_pt.Fill(p.Perp())
                h_phi.Fill(p.Phi() / math.pi * 180)
                h_theta.Fill(p.Theta() / math.pi * 180)
                h_costheta.Fill(math.cos(p.Theta()))
                h_pdg.Fill(mc.getPDG())
                h_vertex.Fill(mc.getProductionVertex().X(),
                              mc.getProductionVertex().Y())
 
 

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The documentation for this class was generated from the following file:

• generators/examples/KoralWPlots.py