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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
 
std::vector< bool > const & recordProvenanceList () 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)
 
TypeLabelList const & typeLabelList () const
 used by the fwk to register the list of products of this module More...
 
 ~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 &&)=default
 
 EDConsumerBase (EDConsumerBase const &)=delete
 
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
 
EDConsumerBaseoperator= (EDConsumerBase &&)=default
 
EDConsumerBase const & operator= (EDConsumerBase const &)=delete
 
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::ProducerBase
template<class ProductType >
BranchAliasSetterT< ProductType > produces ()
 declare what type of product will make and with which optional label More...
 
template<typename ProductType , BranchType B>
BranchAliasSetterT< ProductType > produces ()
 
template<typename ProductType , Transition B>
BranchAliasSetterT< ProductType > produces ()
 
BranchAliasSetter produces (const TypeID &id, std::string instanceName=std::string(), bool recordProvenance=true)
 
template<BranchType B>
BranchAliasSetter produces (const TypeID &id, std::string instanceName=std::string(), bool recordProvenance=true)
 
template<Transition B>
BranchAliasSetter produces (const TypeID &id, std::string instanceName=std::string(), bool recordProvenance=true)
 
template<typename ProductType , Transition B>
BranchAliasSetterT< ProductType > produces (std::string instanceName)
 
template<class ProductType >
BranchAliasSetterT< ProductType > produces (std::string instanceName)
 
template<typename ProductType , BranchType B>
BranchAliasSetterT< ProductType > produces (std::string instanceName)
 
ProducesCollector producesCollector ()
 
- Protected Member Functions inherited from edm::EDConsumerBase
EDGetToken consumes (const TypeToGet &id, edm::InputTag const &tag)
 
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType > consumes (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)
 
EDGetToken mayConsume (const TypeToGet &id, edm::InputTag const &tag)
 
template<BranchType B>
EDGetToken mayConsume (const TypeToGet &id, edm::InputTag const &tag)
 
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType > mayConsume (edm::InputTag const &tag)
 

Detailed Description

Definition at line 20 of file ISRGammaWeightProducer.cc.

Constructor & Destructor Documentation

◆ ISRGammaWeightProducer()

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

Definition at line 36 of file ISRGammaWeightProducer.cc.

36  {
37  genToken_ = consumes<reco::GenParticleCollection>(
38  pset.getUntrackedParameter<edm::InputTag>("GenTag", edm::InputTag("genParticles")));
39 
40  produces<double>();
41 }

References genToken_, and muonDTDigis_cfi::pset.

◆ ~ISRGammaWeightProducer()

ISRGammaWeightProducer::~ISRGammaWeightProducer ( )
override

Definition at line 44 of file ISRGammaWeightProducer.cc.

44 {}

Member Function Documentation

◆ beginJob()

void ISRGammaWeightProducer::beginJob ( void  )
overridevirtual

Reimplemented from edm::EDProducer.

Definition at line 47 of file ISRGammaWeightProducer.cc.

47 {}

◆ endJob()

void ISRGammaWeightProducer::endJob ( void  )
overridevirtual

Reimplemented from edm::EDProducer.

Definition at line 50 of file ISRGammaWeightProducer.cc.

50 {}

◆ produce()

void ISRGammaWeightProducer::produce ( edm::Event iEvent,
const edm::EventSetup  
)
overridevirtual

Implements edm::EDProducer.

Definition at line 53 of file ISRGammaWeightProducer.cc.

53  {
54  if (iEvent.isRealData())
55  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)
74  continue;
75  if (part.numberOfMothers() != 2)
76  continue;
77  int partId = abs(part.pdgId());
78  if (status == 3 && (partId == 23 || abs(partId) == 24)) {
79  boson = &(*genParticles)[i];
80  parton1Key = part.motherRef(0).key();
81  parton2Key = part.motherRef(1).key();
82  break;
83  }
84  }
85 
86  // Consider only photons near the hard-scattering process
87  const reco::GenParticle* photon = nullptr;
88  if (boson) {
89  for (unsigned int i = 0; i < gensize; ++i) {
90  photon = nullptr;
91  const reco::GenParticle& part = (*genParticles)[i];
92  int status = abs(part.status());
93  if (status != 1)
94  continue;
95  int partId = abs(part.pdgId());
96  if (partId != 22)
97  continue;
98  if (part.numberOfMothers() != 1)
99  continue;
100  int keyM = part.motherRef(0).key();
101  const reco::GenParticle* mother = &(*genParticles)[keyM];
102  if (mother->status() != 3)
103  continue;
104  int mId = mother->pdgId();
105  if (abs(mId) > 6 && mId != 2212)
106  continue;
107  for (unsigned int j = 0; j < mother->numberOfDaughters(); ++j) {
108  int keyD = mother->daughterRef(j).key();
109  if (keyD == parton1Key || keyD == parton2Key) {
110  photon = &part;
111  break;
112  }
113  }
114  if (photon)
115  break;
116  }
117  }
118 
119  if (boson && photon) {
120  math::XYZTLorentzVector smom = boson->p4() + photon->p4();
121  double s = smom.M2();
122  double sqrts = smom.M();
123 
124  // Go to CM using the boost direction of the boson+photon system
125  ROOT::Math::Boost cmboost(smom.BoostToCM());
126  math::XYZTLorentzVector photonCM(cmboost(photon->p4()));
127  double pcostheta = (smom.x() * photonCM.x() + smom.y() * photonCM.y() + smom.z() * photonCM.z()) / smom.P();
128 
129  // Determine kinematic invariants
130  double t = -sqrts * (photonCM.t() - pcostheta);
131  double MV = boson->mass();
132  double u = MV * MV - s - t;
133  (*weight) = 1. - 2 * t * u / (s * s + MV * MV * MV * MV);
134  //printf(">>>>>>>>> s %f t %f u %f, MV %f, weight = %f\n", s, t, u, MV, (*weight));
135  }
136 
137  iEvent.put(std::move(weight));
138 }

References funct::abs(), reco::CompositeRefCandidateT< D >::daughterRef(), genParticles2HepMC_cfi::genParticles, genToken_, mps_fire::i, iEvent, dqmiolumiharvest::j, reco::LeafCandidate::mass(), reco::CompositeRefCandidateT< D >::motherRef(), eostools::move(), reco::CompositeRefCandidateT< D >::numberOfDaughters(), reco::LeafCandidate::p4(), reco::LeafCandidate::pdgId(), muons2muons_cfi::photon, alignCSCRings::s, mps_update::status, reco::LeafCandidate::status(), OrderedSet::t, and mps_merge::weight.

Member Data Documentation

◆ genToken_

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

Definition at line 30 of file ISRGammaWeightProducer.cc.

Referenced by ISRGammaWeightProducer(), and produce().

◆ isrBinEdges_

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

Definition at line 31 of file ISRGammaWeightProducer.cc.

◆ ptWeights_

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

Definition at line 32 of file ISRGammaWeightProducer.cc.

muons2muons_cfi.photon
photon
Definition: muons2muons_cfi.py:28
mps_fire.i
i
Definition: mps_fire.py:355
reco::CompositeRefCandidateT::numberOfDaughters
size_t numberOfDaughters() const override
number of daughters
genParticles2HepMC_cfi.genParticles
genParticles
Definition: genParticles2HepMC_cfi.py:4
reco::LeafCandidate::status
int status() const final
status word
Definition: LeafCandidate.h:180
reco::GenParticle
Definition: GenParticle.h:21
mps_update.status
status
Definition: mps_update.py:69
reco::CompositeRefCandidateT::daughterRef
daughters::value_type daughterRef(size_type i) const
reference to daughter at given position
Definition: CompositeRefCandidateT.h:69
mps_merge.weight
weight
Definition: mps_merge.py:88
edm::Handle< reco::GenParticleCollection >
alignCSCRings.s
s
Definition: alignCSCRings.py:92
part
part
Definition: HCALResponse.h:20
OrderedSet.t
t
Definition: OrderedSet.py:90
ISRGammaWeightProducer::genToken_
edm::EDGetTokenT< reco::GenParticleCollection > genToken_
Definition: ISRGammaWeightProducer.cc:30
reco::LeafCandidate::mass
double mass() const final
mass
Definition: LeafCandidate.h:131
reco::LeafCandidate::pdgId
int pdgId() const final
PDG identifier.
Definition: LeafCandidate.h:176
iEvent
int iEvent
Definition: GenABIO.cc:224
reco::LeafCandidate::p4
const LorentzVector & p4() const final
four-momentum Lorentz vector
Definition: LeafCandidate.h:114
eostools.move
def move(src, dest)
Definition: eostools.py:511
math::XYZTLorentzVector
XYZTLorentzVectorD XYZTLorentzVector
Lorentz vector with cylindrical internal representation using pseudorapidity.
Definition: LorentzVector.h:29
reco::CompositeRefCandidateT::motherRef
daughters::value_type motherRef(size_type i=0) const
reference to mother at given position
Definition: CompositeRefCandidateT.h:73
funct::abs
Abs< T >::type abs(const T &t)
Definition: Abs.h:22
dqmiolumiharvest.j
j
Definition: dqmiolumiharvest.py:66
edm::InputTag
Definition: InputTag.h:15
weight
Definition: weight.py:1
muonDTDigis_cfi.pset
pset
Definition: muonDTDigis_cfi.py:27