Esempio n. 1
0
    def makeMCInfo(self, event):
        verbose = getattr(self.cfg_ana, 'verbose', False)
        rawGenParticles = self.mchandles['genParticles'].product()
        good = []
        keymap = {}
        allGenParticles = []
        for rawIndex, p in enumerate(rawGenParticles):
            if self.makeAllGenParticles: allGenParticles.append(p)
            id = abs(p.pdgId())
            status = p.status()
            # particles must be status > 2, except for prompt leptons, photons, neutralinos
            if status <= 2:
                if ((id not in self.stableBSMParticleIds)
                        and (id not in [11, 12, 13, 14, 15, 16, 22]
                             or not isNotFromHadronicShower(p))):
                    continue
            # a particle must not be decaying into itself
            #print "  test %6d  : %+8d  %3d :  %8.2f   %+5.2f   %+5.2f : %d %d : %+8d {%6d}: %s" % ( rawIndex,
            #        p.pdgId(), p.status(), p.pt(), p.eta(), p.phi(), p.numberOfMothers(), p.numberOfDaughters(),
            #        p.motherRef(0).pdgId() if p.numberOfMothers() > 0 else -999, p.motherRef(0).key()   if p.numberOfMothers() > 0 else -999,
            #        "  ".join("%d[%d]" % (p.daughter(i).pdgId(), p.daughter(i).status()) for i in xrange(p.numberOfDaughters())))
            if id in self.savePreFSRParticleIds:
                # for light objects, we want them pre-radiation
                if any((p.mother(j).pdgId() == p.pdgId())
                       for j in xrange(p.numberOfMothers())):
                    #print "    fail auto-decay"
                    continue
            else:
                # everything else, we want it after radiation, i.e. just before decay
                if any((p.daughter(j).pdgId() == p.pdgId()
                        and p.daughter(j).status() > 2)
                       for j in xrange(p.numberOfDaughters())):
                    #print "    fail auto-decay"
                    continue
            # FIXME find a better criterion to discard there
            if status == 71:
                #drop QCD radiation with unclear parentage
                continue
            # is it an interesting particle?
            ok = False
            if interestingPdgId(id):
                #print "    pass pdgId"
                ok = True
            ### no: we don't select by decay, so that we keep the particle summary free of incoming partons and such
            # if not ok and any(interestingPdgId(d.pdgId()) for d in realGenDaughters(p)):
            #    #print "    pass dau"
            #     ok = True
            if not ok:
                for mom in realGenMothers(p):
                    if interestingPdgId(mom.pdgId()) or (getattr(
                            mom, 'rawIndex', -1) in keymap):
                        #print "    interesting mom"
                        # exclude extra x from p -> p + x
                        if not any(
                                mom.daughter(j2).pdgId() == mom.pdgId()
                                for j2 in xrange(mom.numberOfDaughters())):
                            #print "         pass no-self-decay"
                            ok = True
                        # Account for generator feature with Higgs decaying to itself with same four-vector but no daughters
                        elif mom.pdgId() == 25 and any(
                                mom.daughter(j2).pdgId() == 25
                                and mom.daughter(j2).numberOfDaughters() == 0
                                for j2 in range(mom.numberOfDaughters())):
                            ok = True
                    if abs(mom.pdgId()) == 15:
                        # if we're a tau daughter we're status 2
                        # if we passed all the previous steps, then we're a prompt lepton
                        # so we'd like to be included
                        ok = True
                    if not ok and p.pt() > 10 and id in [
                            1, 2, 3, 4, 5, 21, 22
                    ] and any(
                            interestingPdgId(d.pdgId())
                            for d in realGenDaughters(mom)):
                        # interesting for being a parton brother of an interesting particle (to get the extra jets in ME+PS)
                        ok = True
            if ok:
                gp = p
                gp.rawIndex = rawIndex  # remember its index, so that we can set the mother index later
                keymap[rawIndex] = len(good)
                good.append(gp)
        # connect mother links
        for igp, gp in enumerate(good):
            gp.motherIndex = -1
            gp.sourceId = 99
            gp.genSummaryIndex = igp
            ancestor = None if gp.numberOfMothers() == 0 else gp.motherRef(0)
            while ancestor != None and ancestor.isNonnull():
                if ancestor.key() in keymap:
                    gp.motherIndex = keymap[ancestor.key()]
                    if ancestor.pdgId() != good[gp.motherIndex].pdgId():
                        print "Error keying %d: motherIndex %d, ancestor.pdgId %d, good[gp.motherIndex].pdgId() %d " % (
                            igp, gp.motherIndex, ancestor.pdgId(),
                            good[gp.motherIndex].pdgId())
                    break
                ancestor = None if ancestor.numberOfMothers(
                ) == 0 else ancestor.motherRef(0)
            if abs(gp.pdgId()) not in [
                    1, 2, 3, 4, 5, 11, 12, 13, 14, 15, 16, 21
            ]:
                gp.sourceId = gp.pdgId()
            if gp.motherIndex != -1:
                ancestor = good[gp.motherIndex]
                if ancestor.sourceId != 99 and (ancestor.mass() > gp.mass()
                                                or gp.sourceId == 99):
                    gp.sourceId = ancestor.sourceId
        event.generatorSummary = good
        # add the ID of the mother to be able to recreate last decay chains
        for ip, p in enumerate(good):
            moms = realGenMothers(p)
            if len(moms) == 0:
                p.motherId = 0
                p.grandmotherId = 0
            elif len(moms) == 1:
                p.motherId = moms[0].pdgId()
                gmoms = realGenMothers(moms[0])
                p.grandmotherId = (gmoms[0].pdgId() if len(gmoms) == 1 else
                                   (0 if len(gmoms) == 0 else -9999))
            else:
                #print "    unclear what mothers to give to this particle, among ","  ".join("%d[%d]" % (m.pdgId(),m.status()) for m in moms)
                p.motherId = -9999
                p.grandmotherId = -9999
            if verbose:
                print "%3d  {%6d}: %+8d  %3d :  %8.2f   %+5.2f   %+5.2f : %d %2d : %+8d {%3d}: %s" % (
                    ip, p.rawIndex, p.pdgId(), p.status(), p.pt(), p.eta(),
                    p.phi(), len(moms), p.numberOfDaughters(), p.motherId,
                    p.motherIndex, "  ".join(
                        "%d[%d]" %
                        (p.daughter(i).pdgId(), p.daughter(i).status())
                        for i in xrange(p.numberOfDaughters())))
        if verbose:
            print "\n\n"

        if self.makeAllGenParticles:
            event.genParticles = allGenParticles

        if self.makeSplittedGenLists:
            event.genHiggsBosons = []
            event.genVBosons = []
            event.gennus = []
            event.gennusFromTop = []
            event.genleps = []
            event.gentauleps = []
            event.gentaus = []
            event.gentopquarks = []
            event.genbquarks = []
            event.genwzquarks = []
            event.genbquarksFromTop = []
            event.genbquarksFromH = []
            event.genlepsFromTop = []
            event.genvertex = 0
            if len(event.generatorSummary) > 2:
                event.genvertex = event.generatorSummary[2].vertex().z()
            for p in event.generatorSummary:
                id = abs(p.pdgId())
                if id == 25:
                    event.genHiggsBosons.append(p)
                elif id in {23, 24}:
                    event.genVBosons.append(p)
                elif id in {12, 14, 16}:
                    event.gennus.append(p)

                    momids = [(m, abs(m.pdgId())) for m in realGenMothers(p)]

                    #have a look at the lepton mothers
                    for mom, momid in momids:
                        #lepton from W
                        if momid == 24:
                            wmomids = [
                                abs(m.pdgId()) for m in realGenMothers(mom)
                            ]
                            #W from t
                            if 6 in wmomids:
                                #save mu,e from t->W->mu/e
                                event.gennusFromTop.append(p)

                elif id in {11, 13}:
                    #taus to separate vector
                    if abs(p.motherId) == 15:
                        event.gentauleps.append(p)
                    #all muons and electrons
                    else:
                        event.genleps.append(p)
                        momids = [(m, abs(m.pdgId()))
                                  for m in realGenMothers(p)]

                        #have a look at the lepton mothers
                        for mom, momid in momids:
                            #lepton from W
                            if momid == 24:
                                wmomids = [
                                    abs(m.pdgId()) for m in realGenMothers(mom)
                                ]
                                #W from t
                                if 6 in wmomids:
                                    #save mu,e from t->W->mu/e
                                    event.genlepsFromTop.append(p)
                elif id == 15:
                    if self.allGenTaus or not any([
                            abs(d.pdgId()) in {11, 13}
                            for d in realGenDaughters(p)
                    ]):
                        event.gentaus.append(p)
                elif id == 6:
                    event.gentopquarks.append(p)
                elif id == 5:
                    event.genbquarks.append(p)
                    momids = [abs(m.pdgId()) for m in realGenMothers(p)]
                    if 6 in momids: event.genbquarksFromTop.append(p)
                    if 25 in momids: event.genbquarksFromH.append(p)
                if id <= 5 and any(
                    [abs(m.pdgId()) in {23, 24} for m in realGenMothers(p)]):
                    event.genwzquarks.append(p)
Esempio n. 2
0
    def makeMCInfo(self, event):
        verbose = getattr(self.cfg_ana, 'verbose', False)
        rawGenParticles = self.mchandles['genParticles'].product() 
        good = []; keymap = {};
        allGenParticles = []
        for rawIndex,p in enumerate(rawGenParticles):
            if self.makeAllGenParticles: allGenParticles.append(p)
            id     = abs(p.pdgId())
            status = p.status()
            # particles must be status > 2, except for prompt leptons, photons, neutralinos
            if status <= 2:
                if ((id not in self.stableBSMParticleIds) and
                    (id not in [11,12,13,14,15,16,22] or not isNotFromHadronicShower(p))):
                        continue
            # a particle must not be decaying into itself
            #print "  test %6d  : %+8d  %3d :  %8.2f   %+5.2f   %+5.2f : %d %d : %+8d {%6d}: %s" % ( rawIndex,
            #        p.pdgId(), p.status(), p.pt(), p.eta(), p.phi(), p.numberOfMothers(), p.numberOfDaughters(), 
            #        p.motherRef(0).pdgId() if p.numberOfMothers() > 0 else -999, p.motherRef(0).key()   if p.numberOfMothers() > 0 else -999, 
            #        "  ".join("%d[%d]" % (p.daughter(i).pdgId(), p.daughter(i).status()) for i in xrange(p.numberOfDaughters())))
            if id in self.savePreFSRParticleIds:
                # for light objects, we want them pre-radiation
                if any((p.mother(j).pdgId() == p.pdgId()) for j in xrange(p.numberOfMothers())):
                    #print "    fail auto-decay"
                    continue
            else:
                # everything else, we want it after radiation, i.e. just before decay
                if any((p.daughter(j).pdgId() == p.pdgId() and p.daughter(j).status() > 2) for j in xrange(p.numberOfDaughters())):
                    #print "    fail auto-decay"
                    continue
            # FIXME find a better criterion to discard there
            if status == 71: 
                #drop QCD radiation with unclear parentage
                continue 
            # is it an interesting particle?
            ok = False
            if interestingPdgId(id):
                #print "    pass pdgId"
                ok = True
            ### no: we don't select by decay, so that we keep the particle summary free of incoming partons and such
            # if not ok and any(interestingPdgId(d.pdgId()) for d in realGenDaughters(p)):
            #    #print "    pass dau"
            #     ok = True
            if not ok:
              for mom in realGenMothers(p):
                if interestingPdgId(mom.pdgId()) or (getattr(mom,'rawIndex',-1) in keymap):
                    #print "    interesting mom"
                    # exclude extra x from p -> p + x
                    if not any(mom.daughter(j2).pdgId() == mom.pdgId() for j2 in xrange(mom.numberOfDaughters())):
                        #print "         pass no-self-decay"
                        ok = True
                    # Account for generator feature with Higgs decaying to itself with same four-vector but no daughters
                    elif mom.pdgId() == 25 and any(mom.daughter(j2).pdgId() == 25 and mom.daughter(j2).numberOfDaughters()==0 for j2 in range(mom.numberOfDaughters())):
                        ok = True
                if abs(mom.pdgId()) == 15:
                    # if we're a tau daughter we're status 2
                    # if we passed all the previous steps, then we're a prompt lepton
                    # so we'd like to be included
                    ok = True
                if not ok and p.pt() > 10 and id in [1,2,3,4,5,21,22] and any(interestingPdgId(d.pdgId()) for d in realGenDaughters(mom)):
                    # interesting for being a parton brother of an interesting particle (to get the extra jets in ME+PS) 
                    ok = True 
                if not ok and id in [11, 13, 15] and abs(mom.pdgId()) in [1,2,3,4,5,21]:
                    # Lepton e.g. in off-shell DY with the mother being one of the incoming partons
                    ok = True
            if ok:
                gp = p
                gp.rawIndex = rawIndex # remember its index, so that we can set the mother index later
                keymap[rawIndex] = len(good)
                good.append(gp)
        # connect mother links
        for igp,gp in enumerate(good):
            gp.motherIndex = -1
            gp.sourceId    = 99
            gp.genSummaryIndex = igp
            ancestor = None if gp.numberOfMothers() == 0 else gp.motherRef(0)
            while ancestor != None and ancestor.isNonnull():
                if ancestor.key() in keymap:
                    gp.motherIndex = keymap[ancestor.key()]
                    if ancestor.pdgId() != good[gp.motherIndex].pdgId():
                        print "Error keying %d: motherIndex %d, ancestor.pdgId %d, good[gp.motherIndex].pdgId() %d " % (igp, gp.motherIndex, ancestor.pdgId(),  good[gp.motherIndex].pdgId())
                    break
                ancestor = None if ancestor.numberOfMothers() == 0 else ancestor.motherRef(0)
            if abs(gp.pdgId()) not in [1,2,3,4,5,11,12,13,14,15,16,21]:
                gp.sourceId = gp.pdgId()
            if gp.motherIndex != -1:
                ancestor = good[gp.motherIndex]
                if ancestor.sourceId != 99 and (ancestor.mass() > gp.mass() or gp.sourceId == 99):
                    gp.sourceId = ancestor.sourceId
        event.generatorSummary = good
        # add the ID of the mother to be able to recreate last decay chains
        for ip,p in enumerate(good):
            moms = realGenMothers(p)
            if len(moms)==0:
                p.motherId = 0
                p.grandmotherId = 0
            elif len(moms)==1:
                p.motherId = moms[0].pdgId()
                gmoms = realGenMothers(moms[0])
                p.grandmotherId = (gmoms[0].pdgId() if len(gmoms)==1 else (0 if len(gmoms)==0 else -9999))
            else:
                #print "    unclear what mothers to give to this particle, among ","  ".join("%d[%d]" % (m.pdgId(),m.status()) for m in moms)
                p.motherId = -9999
                p.grandmotherId = -9999
            if verbose:
                print "%3d  {%6d}: %+8d  %3d :  %8.2f   %+5.2f   %+5.2f : %d %2d : %+8d {%3d}: %s" % ( ip,p.rawIndex,
                        p.pdgId(), p.status(), p.pt(), p.eta(), p.phi(), len(moms), p.numberOfDaughters(), 
                        p.motherId, p.motherIndex,
                        "  ".join("%d[%d]" % (p.daughter(i).pdgId(), p.daughter(i).status()) for i in xrange(p.numberOfDaughters())))
        if verbose:
            print "\n\n"

        if self.makeAllGenParticles:
            event.genParticles = allGenParticles

        if self.makeSplittedGenLists:
            event.genHiggsBosons = []
            event.genVBosons     = []
            event.gennus         = []
            event.gennusFromTop  = []
            event.genleps        = []
            event.gentauleps     = []
            event.gentaus        = []
            event.gentopquarks   = []
            event.genbquarks     = []
            event.genwzquarks    = []
            event.genbquarksFromTop = []
            event.genbquarksFromH   = []
            event.genlepsFromTop = []
            for p in event.generatorSummary:
                id = abs(p.pdgId())
                if id == 25: 
                    event.genHiggsBosons.append(p)
                elif id in {23,24}:
                    event.genVBosons.append(p)
                elif id in {12,14,16}:
                    event.gennus.append(p)

                    momids = [(m, abs(m.pdgId())) for m in realGenMothers(p)]

                    #have a look at the lepton mothers
                    for mom, momid in momids:
                        #lepton from W
                        if momid == 24:
                            wmomids = [abs(m.pdgId()) for m in realGenMothers(mom)]
                            #W from t
                            if 6 in wmomids:
                                #save mu,e from t->W->mu/e
                                event.gennusFromTop.append(p)

                elif id in {11,13}:
                    #taus to separate vector
                    if abs(p.motherId) == 15:
                        event.gentauleps.append(p)
                    #all muons and electrons
                    else:
                        event.genleps.append(p)
                        momids = [(m, abs(m.pdgId())) for m in realGenMothers(p)]

                        #have a look at the lepton mothers
                        for mom, momid in momids:
                            #lepton from W
                            if momid == 24:
                                wmomids = [abs(m.pdgId()) for m in realGenMothers(mom)]
                                #W from t
                                if 6 in wmomids:
                                    #save mu,e from t->W->mu/e
                                    event.genlepsFromTop.append(p)
                elif id == 15:
                    if self.allGenTaus or not any([abs(d.pdgId()) in {11,13} for d in realGenDaughters(p)]):
                        event.gentaus.append(p)
                elif id == 6:
                    event.gentopquarks.append(p)
                elif id == 5:
                    event.genbquarks.append(p)
                    momids = [abs(m.pdgId()) for m in realGenMothers(p)]
                    if  6 in momids: event.genbquarksFromTop.append(p)
                    if 25 in momids: event.genbquarksFromH.append(p)
                if id <= 5 and any([abs(m.pdgId()) in {23,24} for m in realGenMothers(p)]):
                    event.genwzquarks.append(p)
Esempio n. 3
0
    def process(self, event):
        
        event.genV = ROOT.reco.GenParticle()
        event.gennu = ROOT.reco.GenParticle()
        event.genlep = ROOT.reco.GenParticle()
        event.genmet = ROOT.reco.Particle.LorentzVector()
        event.genChi = []
        event.genLeptFromW   = []
        event.genTauHadFromW = []
        event.genTauLepFromW = []
        event.genWtauHad = 0
        event.genWtauLep = 0
        event.weight = 1.
        event.FacScaleUp   = 1.
        event.FacScaleDown = 1.
        event.RenScaleUp   = 1.
        event.RenScaleDown = 1.
        event.FacRenScaleUp   = 1.
        event.FacRenScaleDown = 1.
        event.PDFweight    = 1.
        if not hasattr(event, "gentopquarks"): event.gentopquarks = []
        
        # LHE weights
        if hasattr(event, "LHE_originalWeight"):
            event.weight       = abs(event.LHE_originalWeight)/event.LHE_originalWeight
            if hasattr(event, "LHE_weights"):
                if len(event.LHE_weights) > 6:
                    event.FacScaleUp   = abs(event.LHE_weights[1].wgt/event.LHE_originalWeight)
                    event.FacScaleDown = abs(event.LHE_weights[2].wgt/event.LHE_originalWeight)
                    event.RenScaleUp   = abs(event.LHE_weights[3].wgt/event.LHE_originalWeight)
                    event.RenScaleDown = abs(event.LHE_weights[6].wgt/event.LHE_originalWeight)
                    event.FacRenScaleUp   = abs(event.LHE_weights[4].wgt/event.LHE_originalWeight)
                    event.FacRenScaleDown = abs(event.LHE_weights[8].wgt/event.LHE_originalWeight)
                    PDFw = []
                    if len(event.LHE_weights) > 8:
                        for i in range(9,min(109, len(event.LHE_weights))): PDFw.append(abs(event.LHE_weights[i].wgt/event.LHE_originalWeight))
                    event.PDFweight = math.sqrt(sum(n*n for n in PDFw)/len(PDFw))
                pass
            pass
        pass
        
        if not hasattr(event, "genParticles"):
            return True

        if hasattr(event, "genVBosons") and len(event.genVBosons) > 0:
            event.genV = event.genVBosons[0]
            # check for gen neutrino from W-> l nu
            if abs(event.genV.pdgId()) == 24:
                for d in realGenDaughters(event.genVBosons[0]):
                    if abs(d.pdgId()) in [12, 14, 16]: 
                        event.gennu = d
        else:
            leptons = [x for x in event.genParticles if abs(x.pdgId())>10 and abs(x.pdgId())<17 and x.status()==23]
            if len(leptons) >=2:
                event.genV = ROOT.reco.GenParticle(0, leptons[0].p4()+leptons[1].p4(), leptons[0].vertex(), 23, 1, 0)
        
        if hasattr(event, "gennus"):
            for i in range(len(event.gennus)):
                event.genmet += event.gennus[i].p4()
        
        for g in event.genParticles:
            if g.pdgId() in self.cfg_ana.phi:
                event.genPhi = g
            if g.pdgId() in self.cfg_ana.chi:
                event.genChi.append(g)
        if hasattr(event, "genPhi"):
            self.Hist["GenPhi1mass"].Fill(event.genPhi.mass(), event.weight)
            self.Hist["GenPhi1pt"].Fill(event.genPhi.pt(), event.weight)
            self.Hist["GenPhi1eta"].Fill(event.genPhi.eta(), event.weight)
            self.Hist["GenPhi1y"].Fill(event.genPhi.rapidity(), event.weight)
        if len(event.genChi) >= 2:
            i1, i2 = [0, 1] if event.genChi[0].pt() > event.genChi[1].pt() else [1, 0]
            self.Hist["GenChi1mass"].Fill(event.genChi[i1].mass(), event.weight)
            self.Hist["GenChi1pt"].Fill(event.genChi[i1].pt(), event.weight)
            self.Hist["GenChi1eta"].Fill(event.genChi[i1].eta(), event.weight)
            self.Hist["GenChi2mass"].Fill(event.genChi[i1].mass(), event.weight)
            self.Hist["GenChi2pt"].Fill(event.genChi[i1].pt(), event.weight)
            self.Hist["GenChi2eta"].Fill(event.genChi[i1].eta(), event.weight)
            self.Hist["GenChi12dR"].Fill(deltaR(event.genChi[0].eta(), event.genChi[0].phi(), event.genChi[1].eta(), event.genChi[1].phi()), event.weight)
        # Z/W
        if hasattr(event, "genVBosons"):
            if len(event.genVBosons) > 0:
                if event.genVBosons[0].pdgId() == 23:
                    self.Hist["GenZmass"].Fill(event.genVBosons[0].mass(), event.weight)
                    self.Hist["GenZpt"].Fill(event.genVBosons[0].pt(), event.weight)
                    self.Hist["GenZeta"].Fill(event.genVBosons[0].eta(), event.weight)
                    self.Hist["GenZy"].Fill(event.genVBosons[0].rapidity(), event.weight)
                elif event.genVBosons[0].pdgId() == 24:
                    self.Hist["GenWmass"].Fill(event.genVBosons[0].mass(), event.weight)
                    self.Hist["GenWpt"].Fill(event.genVBosons[0].pt(), event.weight)
                    self.Hist["GenWeta"].Fill(event.genVBosons[0].eta(), event.weight)
                    self.Hist["GenWy"].Fill(event.genVBosons[0].rapidity(), event.weight)
                    # check the W->lv decay
                    for d in realGenDaughters(event.genVBosons[0]):
                        # save only if is leptonic
                        if abs(d.pdgId()) == 11 or abs(d.pdgId()) == 13 or abs(d.pdgId()) == 15:
                            event.genLeptFromW.append(d)
                            # if tau split hadronic and leptonic contributions
                            if abs(d.pdgId()) == 15: 
                                taulep = [i for i in realGenDaughters(d) if (abs(i.pdgId()) == 11 or abs(i.pdgId()) == 13) ]
                                if len(taulep) > 0:
                                    event.genTauLepFromW.append(d)
                                    event.genWtauLep = 1
                                else:
                                    event.genTauHadFromW.append(d)
                                    event.genWtauHad = 1
        # Higgs
        if hasattr(event, "genHiggsBosons"):
            if len(event.genHiggsBosons) > 0:
                self.Hist["GenHmass"].Fill(event.genHiggsBosons[0].mass(), event.weight)
                self.Hist["GenHpt"].Fill(event.genHiggsBosons[0].pt(), event.weight)
                self.Hist["GenHeta"].Fill(event.genHiggsBosons[0].eta(), event.weight)
                self.Hist["GenHy"].Fill(event.genHiggsBosons[0].rapidity(), event.weight)
        # Leptons from Z
        if hasattr(event, "genleps"):
            if len(event.genleps) >= 1:
                event.genlep = event.genleps[0].p4()
            if len(event.genleps) >= 2:
                self.Hist["GenZdecay"].Fill(abs(event.genleps[0].pdgId()), event.weight)
                self.Hist["GenZdR"].Fill(deltaR(event.genleps[0].eta(), event.genleps[0].phi(), event.genleps[1].eta(), event.genleps[1].phi()), event.weight)
                i1, i2 = [0, 1] if event.genleps[0].pt() > event.genleps[1].pt() else [1, 0]
                self.Hist["GenLepton1pt"].Fill(event.genleps[i1].pt(), event.weight)
                self.Hist["GenLepton1eta"].Fill(event.genleps[i1].eta(), event.weight)
                self.Hist["GenLepton2pt"].Fill(event.genleps[i2].pt(), event.weight)
                self.Hist["GenLepton2eta"].Fill(event.genleps[i2].eta(), event.weight)
        # b-quarks from Higgs
        if hasattr(event, "genbquarks"):
            if len(event.genbquarks) == 1:
                self.Hist["GenBquark1pt"].Fill(event.genbquarks[0].pt(), event.weight)
                self.Hist["GenBquark1eta"].Fill(event.genbquarks[0].eta(), event.weight)
            elif len(event.genbquarks) >= 2:
                self.Hist["GenHdecay"].Fill(abs(event.genbquarks[0].pdgId()), event.weight)
                self.Hist["GenHdR"].Fill(deltaR(event.genbquarks[0].eta(), event.genbquarks[0].phi(), event.genbquarks[1].eta(), event.genbquarks[1].phi()), event.weight)
                self.Hist["GenHdPhi"].Fill(deltaPhi(event.genbquarks[0].phi(), event.genbquarks[1].phi()), event.weight)
                i1, i2 = [0, 1] if event.genbquarks[0].pt() > event.genbquarks[1].pt() else [1, 0]
                self.Hist["GenBquark1pt"].Fill(event.genbquarks[i1].pt(), event.weight)
                self.Hist["GenBquark1eta"].Fill(event.genbquarks[i1].eta(), event.weight)
                self.Hist["GenBquark2pt"].Fill(event.genbquarks[i2].pt(), event.weight)
                self.Hist["GenBquark2eta"].Fill(event.genbquarks[i2].eta(), event.weight)
        
        
        ### LHE event ###
        if not hasattr(event, "lheV_pt"):
            return True
            
        self.Hist["LheVpt"].Fill(event.lheV_pt, event.weight)
        self.Hist["LheHT"].Fill(event.lheHT, event.weight)
        self.Hist["LheNj"].Fill(event.lheNj, event.weight)
        self.Hist["LheNb"].Fill(event.lheNb, event.weight)
        self.Hist["LheNc"].Fill(event.lheNc, event.weight)
        self.Hist["LheNl"].Fill(event.lheNl, event.weight)
        self.Hist["LheNg"].Fill(event.lheNg, event.weight)
                
        return True