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ISRGammaWeightProducer Class Reference
Inheritance diagram for ISRGammaWeightProducer:
edm::EDProducer edm::ProducerBase edm::EDConsumerBase edm::ProductRegistryHelper

Public Member Functions

void beginJob () override
 
void endJob () override
 
 ISRGammaWeightProducer (const edm::ParameterSet &)
 
void produce (edm::Event &, const edm::EventSetup &) override
 
 ~ISRGammaWeightProducer () override
 
- Public Member Functions inherited from edm::EDProducer
 EDProducer ()
 
SerialTaskQueueglobalLuminosityBlocksQueue ()
 
SerialTaskQueueglobalRunsQueue ()
 
ModuleDescription const & moduleDescription () const
 
 ~EDProducer () override
 
- Public Member Functions inherited from edm::ProducerBase
void callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)
 
std::vector< edm::ProductResolverIndex > const & indiciesForPutProducts (BranchType iBranchType) const
 
 ProducerBase ()
 
std::vector< edm::ProductResolverIndex > const & putTokenIndexToProductResolverIndex () const
 
void registerProducts (ProducerBase *, ProductRegistry *, ModuleDescription const &)
 
std::function< void(BranchDescription const &)> registrationCallback () const
 used by the fwk to register list of products More...
 
void resolvePutIndicies (BranchType iBranchType, ModuleToResolverIndicies const &iIndicies, std::string const &moduleLabel)
 
 ~ProducerBase () noexcept(false) override
 
- Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfoconsumesInfo () const
 
void convertCurrentProcessAlias (std::string const &processName)
 Convert "@currentProcess" in InputTag process names to the actual current process name. More...
 
 EDConsumerBase ()
 
 EDConsumerBase (EDConsumerBase const &)=delete
 
 EDConsumerBase (EDConsumerBase &&)=default
 
ESProxyIndex const * esGetTokenIndices (edm::Transition iTrans) const
 
ProductResolverIndexAndSkipBit indexFrom (EDGetToken, BranchType, TypeID const &) const
 
void itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const
 
void itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const
 
std::vector< ProductResolverIndexAndSkipBit > const & itemsToGetFrom (BranchType iType) const
 
void labelsForToken (EDGetToken iToken, Labels &oLabels) const
 
void modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const
 
EDConsumerBase const & operator= (EDConsumerBase const &)=delete
 
EDConsumerBaseoperator= (EDConsumerBase &&)=default
 
bool registeredToConsume (ProductResolverIndex, bool, BranchType) const
 
bool registeredToConsumeMany (TypeID const &, BranchType) const
 
ProductResolverIndexAndSkipBit uncheckedIndexFrom (EDGetToken) const
 
void updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)
 
void updateLookup (eventsetup::ESRecordsToProxyIndices const &)
 
virtual ~EDConsumerBase () noexcept(false)
 

Private Attributes

edm::EDGetTokenT< reco::GenParticleCollectiongenToken_
 
std::vector< double > isrBinEdges_
 
std::vector< double > ptWeights_
 

Additional Inherited Members

- Public Types inherited from edm::EDProducer
typedef EDProducer ModuleType
 
- Public Types inherited from edm::ProducerBase
using ModuleToResolverIndicies = std::unordered_multimap< std::string, std::tuple< edm::TypeID const *, const char *, edm::ProductResolverIndex >>
 
typedef ProductRegistryHelper::TypeLabelList TypeLabelList
 
- Public Types inherited from edm::EDConsumerBase
typedef ProductLabels Labels
 
- Static Public Member Functions inherited from edm::EDProducer
static const std::string & baseType ()
 
static void fillDescriptions (ConfigurationDescriptions &descriptions)
 
static void prevalidate (ConfigurationDescriptions &descriptions)
 
static bool wantsGlobalLuminosityBlocks ()
 
static bool wantsGlobalRuns ()
 
static bool wantsStreamLuminosityBlocks ()
 
static bool wantsStreamRuns ()
 
- Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType > consumes (edm::InputTag const &tag)
 
EDGetToken consumes (const TypeToGet &id, edm::InputTag const &tag)
 
template<BranchType B>
EDGetToken consumes (TypeToGet const &id, edm::InputTag const &tag)
 
ConsumesCollector consumesCollector ()
 Use a ConsumesCollector to gather consumes information from helper functions. More...
 
template<typename ProductType , BranchType B = InEvent>
void consumesMany ()
 
void consumesMany (const TypeToGet &id)
 
template<BranchType B>
void consumesMany (const TypeToGet &id)
 
template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto esConsumes ()
 
template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto esConsumes (ESInputTag const &tag)
 
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType > mayConsume (edm::InputTag const &tag)
 
EDGetToken mayConsume (const TypeToGet &id, edm::InputTag const &tag)
 
template<BranchType B>
EDGetToken mayConsume (const TypeToGet &id, edm::InputTag const &tag)
 

Detailed Description

Definition at line 20 of file ISRGammaWeightProducer.cc.

Constructor & Destructor Documentation

ISRGammaWeightProducer::ISRGammaWeightProducer ( const edm::ParameterSet pset)
explicit

Definition at line 37 of file ISRGammaWeightProducer.cc.

References genToken_, and edm::ParameterSet::getUntrackedParameter().

37  {
38  genToken_ = consumes<reco::GenParticleCollection>(pset.getUntrackedParameter<edm::InputTag> ("GenTag", edm::InputTag("genParticles")));
39 
40  produces<double>();
41 }
T getUntrackedParameter(std::string const &, T const &) const
edm::EDGetTokenT< reco::GenParticleCollection > genToken_
ISRGammaWeightProducer::~ISRGammaWeightProducer ( )
override

Definition at line 44 of file ISRGammaWeightProducer.cc.

44 {}

Member Function Documentation

void ISRGammaWeightProducer::beginJob ( void  )
overridevirtual

Reimplemented from edm::EDProducer.

Definition at line 47 of file ISRGammaWeightProducer.cc.

47 {}
void ISRGammaWeightProducer::endJob ( void  )
overridevirtual

Reimplemented from edm::EDProducer.

Definition at line 50 of file ISRGammaWeightProducer.cc.

50 {}
void ISRGammaWeightProducer::produce ( edm::Event iEvent,
const edm::EventSetup  
)
override

Definition at line 53 of file ISRGammaWeightProducer.cc.

References funct::abs(), reco::CompositeRefCandidateT< D >::daughterRef(), DEFINE_FWK_MODULE, GenHFHadronMatcher_cfi::genParticles, genToken_, edm::Event::getByToken(), mps_fire::i, edm::EventBase::isRealData(), reco::LeafCandidate::mass(), reco::CompositeRefCandidateT< D >::motherRef(), eostools::move(), reco::CompositeRefCandidateT< D >::numberOfDaughters(), reco::CompositeRefCandidateT< D >::numberOfMothers(), reco::LeafCandidate::p4(), reco::LeafCandidate::pdgId(), muons2muons_cfi::photon, edm::Event::put(), alignCSCRings::s, mps_update::status, reco::LeafCandidate::status(), protons_cff::t, and mps_merge::weight.

Referenced by JSONExport.JsonExport::export(), HTMLExport.HTMLExport::export(), and HTMLExport.HTMLExportStatic::export().

53  {
54 
55  if (iEvent.isRealData()) return;
56 
58  iEvent.getByToken(genToken_, genParticles);
59  unsigned int gensize = genParticles->size();
60 
61  std::unique_ptr<double> weight (new double);
62 
63  // Set a default weight to start with
64  (*weight) = 1.;
65 
66  // Find the boson at the hard scattering level
67  const reco::GenParticle* boson = nullptr;
68  int parton1Key = -1;
69  int parton2Key = -1;
70  for (unsigned int i = 0; i<gensize; ++i) {
71  const reco::GenParticle& part = (*genParticles)[i];
72  int status = abs(part.status());
73  if (status!=3) continue;
74  if (part.numberOfMothers()!=2) continue;
75  int partId = abs(part.pdgId());
76  if (status==3 && (partId==23||abs(partId)==24)) {
77  boson = &(*genParticles)[i];
78  parton1Key = part.motherRef(0).key();
79  parton2Key = part.motherRef(1).key();
80  break;
81  }
82  }
83 
84  // Consider only photons near the hard-scattering process
85  const reco::GenParticle* photon = nullptr;
86  if (boson) {
87  for (unsigned int i = 0; i<gensize; ++i) {
88  photon = nullptr;
89  const reco::GenParticle& part = (*genParticles)[i];
90  int status = abs(part.status());
91  if (status!=1) continue;
92  int partId = abs(part.pdgId());
93  if (partId!=22) continue;
94  if (part.numberOfMothers()!=1) continue;
95  int keyM = part.motherRef(0).key();
96  const reco::GenParticle* mother = &(*genParticles)[keyM];
97  if (mother->status()!=3) continue;
98  int mId = mother->pdgId();
99  if (abs(mId)>6 && mId!=2212) continue;
100  for (unsigned int j=0; j<mother->numberOfDaughters(); ++j){
101  int keyD = mother->daughterRef(j).key();
102  if (keyD==parton1Key || keyD==parton2Key) {
103  photon = &part;
104  break;
105  }
106  }
107  if (photon) break;
108  }
109  }
110 
111  if (boson && photon) {
112  math::XYZTLorentzVector smom = boson->p4() + photon->p4();
113  double s = smom.M2();
114  double sqrts = smom.M();
115 
116  // Go to CM using the boost direction of the boson+photon system
117  ROOT::Math::Boost cmboost(smom.BoostToCM());
118  math::XYZTLorentzVector photonCM(cmboost(photon->p4()));
119  double pcostheta = ( smom.x()*photonCM.x()
120  + smom.y()*photonCM.y()
121  + smom.z()*photonCM.z() ) / smom.P();
122 
123  // Determine kinematic invariants
124  double t = - sqrts * (photonCM.t()-pcostheta);
125  double MV = boson->mass();
126  double u = MV*MV - s - t;
127  (*weight) = 1. - 2*t*u/(s*s+MV*MV*MV*MV);
128  //printf(">>>>>>>>> s %f t %f u %f, MV %f, weight = %f\n", s, t, u, MV, (*weight));
129  }
130 
131  iEvent.put(std::move(weight));
132 }
int pdgId() const final
PDG identifier.
OrphanHandle< PROD > put(std::unique_ptr< PROD > product)
Put a new product.
Definition: Event.h:125
edm::EDGetTokenT< reco::GenParticleCollection > genToken_
daughters::value_type daughterRef(size_type i) const
reference to daughter at given position
bool getByToken(EDGetToken token, Handle< PROD > &result) const
Definition: Event.h:517
size_t numberOfMothers() const override
number of mothers
Definition: weight.py:1
bool isRealData() const
Definition: EventBase.h:62
XYZTLorentzVectorD XYZTLorentzVector
Lorentz vector with cylindrical internal representation using pseudorapidity.
Definition: LorentzVector.h:29
Abs< T >::type abs(const T &t)
Definition: Abs.h:22
const LorentzVector & p4() const final
four-momentum Lorentz vector
Definition: LeafCandidate.h:99
daughters::value_type motherRef(size_type i=0) const
reference to mother at given position
part
Definition: HCALResponse.h:20
size_t numberOfDaughters() const override
number of daughters
int status() const final
status word
def move(src, dest)
Definition: eostools.py:511
double mass() const final
mass

Member Data Documentation

edm::EDGetTokenT<reco::GenParticleCollection> ISRGammaWeightProducer::genToken_
private

Definition at line 30 of file ISRGammaWeightProducer.cc.

Referenced by ISRGammaWeightProducer(), and produce().

std::vector<double> ISRGammaWeightProducer::isrBinEdges_
private

Definition at line 31 of file ISRGammaWeightProducer.cc.

std::vector<double> ISRGammaWeightProducer::ptWeights_
private

Definition at line 32 of file ISRGammaWeightProducer.cc.