HiBasicGenTest Class Reference

#include <HiBasicGenTest.h>

Inheritance diagram for HiBasicGenTest:

Public Member Functions
void	analyze (const edm::Event &, const edm::EventSetup &) override
void	bookHistograms (DQMStore::IBooker &, edm::Run const &, edm::EventSetup const &) override
void	dqmBeginRun (const edm::Run &r, const edm::EventSetup &c) override
	HiBasicGenTest (const edm::ParameterSet &)
	~HiBasicGenTest () override
Public Member Functions inherited from one::DQMEDAnalyzer< T >
	DQMEDAnalyzer ()=default
	DQMEDAnalyzer (DQMEDAnalyzer< T... > const &)=delete
	DQMEDAnalyzer (DQMEDAnalyzer< T... > &&)=delete
	~DQMEDAnalyzer () override=default

Private Attributes
MonitorElement *	b [3]
MonitorElement *	dnchdeta [3]
MonitorElement *	dnchdphi [3]
MonitorElement *	dnchdpt [3]
edm::EDGetTokenT< edm::HepMCProduct >	generatorToken_
edm::ESHandle< ParticleDataTable >	pdt
MonitorElement *	rp

Detailed Description

Definition at line 21 of file HiBasicGenTest.h.

Constructor & Destructor Documentation

HiBasicGenTest::HiBasicGenTest ( const edm::ParameterSet &  iPSet )

explicit

Definition at line 17 of file HiBasicGenTest.cc.

References edm::ParameterSet::getParameter().

{
  generatorToken_ = consumes<edm::HepMCProduct> (
      iPSet.getParameter<edm::InputTag>("generatorLabel"));
}

HiBasicGenTest::~HiBasicGenTest ( )

override

Definition at line 23 of file HiBasicGenTest.cc.

{}

Member Function Documentation

void HiBasicGenTest::analyze ( const edm::Event &  iEvent, const edm::EventSetup &  iSetup  )

override

Definition at line 59 of file HiBasicGenTest.cc.

References b, begin, ALCARECOTkAlJpsiMuMu_cff::charge, DEFINE_FWK_MODULE, end, PVValHelper::eta, edm::Event::getByToken(), edm::HepMCProduct::GetEvent(), CaloTowersParam_cfi::mc, AlCaHLTBitMon_ParallelJobs::p, HiggsValidation_cfi::pdg_id, Pi, pi, and EnergyCorrector::pt.

{

  Handle<HepMCProduct> mc;
  iEvent.getByToken(generatorToken_, mc);
  const HepMC::GenEvent *evt = mc->GetEvent();
  const HepMC::HeavyIon *hi = evt->heavy_ion();

  int cbin = 0;
  double phi0 =0.;

  if(hi){

    double ip = hi->impact_parameter();
    phi0 = hi->event_plane_angle();
    
    // fill reaction plane distribution
    rp->Fill(phi0);
    
    // if the event is in one of the centrality bins of interest fill hists
    int cbin=-1;
    if(ip < 5.045) cbin=0;
    else if (ip < 7.145 && ip > 5.045) cbin=1;
    else if (ip < 15.202 && ip > 14.283) cbin=2;
    if(cbin<0) return;
    
    // fill impact parameter distributions
    b[cbin]->Fill(ip);
  }

  // loop over particles
  HepMC::GenEvent::particle_const_iterator begin = evt->particles_begin();
  HepMC::GenEvent::particle_const_iterator end = evt->particles_end();
  for(HepMC::GenEvent::particle_const_iterator it = begin; it != end; ++it){

    // only fill hists for status=1 particles
    if((*it)->status() != 1) continue;

    // only fill hists for charged particles
    int pdg_id = (*it)->pdg_id();
    const ParticleData * part = pdt->particle(pdg_id);
    int charge = static_cast<int>(part->charge());
    if(charge==0) continue;

    float eta = (*it)->momentum().eta();
    float phi = (*it)->momentum().phi();
    float pt = (*it)->momentum().perp();

    dnchdeta[cbin]->Fill(eta);
    dnchdpt[cbin]->Fill(pt);

    double pi = TMath::Pi();
    double p = phi-phi0;
    if(p > pi) p = p - 2*pi;
    if(p < -1*pi) p = p + 2*pi;
    dnchdphi[cbin]->Fill(p);

  }

  return;

}

void HiBasicGenTest::bookHistograms ( DQMStore::IBooker &  ibooker, edm::Run const &  , edm::EventSetup const &    )

override

Setting the DQM top directories

Booking the ME's

Definition at line 25 of file HiBasicGenTest.cc.

References b, DQMStore::IBooker::book1D(), DQMStore::IBooker::setCurrentFolder(), and DQMStore::IBooker::tag().

                                         {

  ibooker.setCurrentFolder("Generator/Particles");

  for (int ibin = 0; ibin < 3; ibin++) {
    dnchdeta[ibin] = ibooker.book1D(Form("dnchdeta%d", ibin), ";#eta;dN^{ch}/d#eta",
        100, -6.0, 6.0);

    dnchdpt[ibin] = ibooker.book1D(Form("dnchdpt%d", ibin), ";p_{T};dN^{ch}/dp_{T}",
        200, 0.0, 100.0);

    b[ibin] = ibooker.book1D(Form("b%d",ibin),";b[fm];events", 100, 0.0, 20.0);
    dnchdphi[ibin] = ibooker.book1D(Form("dnchdphi%d", ibin), ";#phi;dN^{ch}/d#phi",
        100, -3.2, 3.2);

    ibooker.tag(dnchdeta[ibin], 1+ibin*4);
    ibooker.tag(dnchdpt[ibin], 2+ibin*4);
    ibooker.tag(b[ibin], 3+ibin*4);
    ibooker.tag(dnchdphi[ibin], 4+ibin*4);
  }

  rp = ibooker.book1D("phi0", ";#phi_{RP};events", 100, -3.2, 3.2);
  ibooker.tag(rp, 13);
}

void HiBasicGenTest::dqmBeginRun ( const edm::Run &  r, const edm::EventSetup &  c  )

override

Definition at line 53 of file HiBasicGenTest.cc.

References edm::EventSetup::getData().

{
  iSetup.getData(pdt);
}

Member Data Documentation

MonitorElement* HiBasicGenTest::b[3]

private

Definition at line 37 of file HiBasicGenTest.h.

MonitorElement* HiBasicGenTest::dnchdeta[3]

private

Definition at line 35 of file HiBasicGenTest.h.

MonitorElement* HiBasicGenTest::dnchdphi[3]

private

Definition at line 38 of file HiBasicGenTest.h.

MonitorElement* HiBasicGenTest::dnchdpt[3]

private

Definition at line 36 of file HiBasicGenTest.h.

edm::EDGetTokenT<edm::HepMCProduct> HiBasicGenTest::generatorToken_

private

Definition at line 34 of file HiBasicGenTest.h.

edm::ESHandle< ParticleDataTable > HiBasicGenTest::pdt

private

Definition at line 41 of file HiBasicGenTest.h.

MonitorElement* HiBasicGenTest::rp

private

Definition at line 39 of file HiBasicGenTest.h.