2 #ifndef RIVET_DISKinematics_HH 3 #define RIVET_DISKinematics_HH 5 #include "Rivet/Particle.hh" 6 #include "Rivet/Event.hh" 7 #include "Rivet/Projection.hh" 8 #include "Rivet/Projections/DISLepton.hh" 9 #include "Rivet/Projections/Beam.hh" 20 const std::map<std::string,std::string> & opts =
21 std::map<std::string,std::string>())
22 : _theQ2(-1.0), _theW2(-1.0), _theX(-1.0), _theY(-1.0), _theS(-1.0)
46 double Q2()
const {
return _theQ2; }
49 double W2()
const {
return _theW2; }
52 double x()
const {
return _theX; }
55 double y()
const {
return _theY; }
58 double s()
const {
return _theS; }
91 return sign(_inHadron.pz());
113 Particle _inHadron, _inLepton, _outLepton;
void setName(const std::string &name)
Used by derived classes to set their name.
Definition: Projection.hh:142
Definition: MC_Cent_pPb.hh:10
double s() const
The centre of mass energy .
Definition: DISKinematics.hh:58
const LorentzTransform & boostHCM() const
The LorentzRotation needed to boost a particle to the hadronic CM frame.
Definition: DISKinematics.hh:63
double y() const
The inelasticity .
Definition: DISKinematics.hh:55
const int orientation() const
1/-1 multiplier indicating (respectively) whether the event has conventional orientation or not ...
Definition: DISKinematics.hh:90
Get the DIS kinematic variables and relevant boosts for an event.
Definition: DISKinematics.hh:15
DISKinematics(const DISLepton &lepton=DISLepton(), const std::map< std::string, std::string > &opts=std::map< std::string, std::string >())
The default constructor.
Definition: DISKinematics.hh:19
Particle representation, either from a HepMC::GenEvent or reconstructed.
Definition: Particle.hh:18
double Q2() const
The .
Definition: DISKinematics.hh:46
virtual CmpState compare(const Projection &p) const
Compare with other projections.
const Particle & scatteredLepton() const
The scattered DIS lepton.
Definition: DISKinematics.hh:83
double x() const
The Bjorken .
Definition: DISKinematics.hh:52
double W2() const
The .
Definition: DISKinematics.hh:49
Representation of a HepMC event, and enabler of Projection caching.
Definition: Event.hh:22
const Particle & beamHadron() const
The incoming hadron beam particle.
Definition: DISKinematics.hh:73
DEFAULT_RIVET_PROJ_CLONE(DISKinematics)
Clone on the heap.
const PROJ & declare(const PROJ &proj, const std::string &name)
Register a contained projection (user-facing version)
Definition: ProjectionApplier.hh:170
Project out the incoming beams.
Definition: Beam.hh:129
const LorentzTransform & boostBreit() const
The LorentzRotation needed to boost a particle to the hadronic Breit frame.
Definition: DISKinematics.hh:68
const Particle & beamLepton() const
The incoming lepton beam particle.
Definition: DISKinematics.hh:78
Get the incoming and outgoing leptons in a DIS event.
Definition: DISLepton.hh:17
virtual void project(const Event &e)
Perform the projection operation on the supplied event.
Base class for all Rivet projections.
Definition: Projection.hh:29
std::enable_if< std::is_arithmetic< NUM >::value, int >::type sign(NUM val)
Find the sign of a number.
Definition: MathUtils.hh:245