cepgen is hosted by Hepforge, IPPP Durham
CepGen 1.2.5
Central exclusive processes event generator
Loading...
Searching...
No Matches

Amplitudes computational tool, as developed by Nachtmann et al. [21]. More...

#include <CepGen/Physics/NachtmannAmplitudes.h>

+ Inheritance diagram for NachtmannAmplitudes:
+ Collaboration diagram for NachtmannAmplitudes:

Classes

class  Kinematics
 Helper container to handle all kinematics variables computation once. More...
 

Public Types

enum class  Mode {
  SM , W , Wbar , phiW ,
  phiWbar , phiB , phiBbar , WB ,
  WbarB
}
 Model giving an amplitude for the two-photon WW production. More...
 

Public Member Functions

 NachtmannAmplitudes (const ParametersList &)
 
const Modemode () const
 
std::complex< double > operator() (const Kinematics &, short lam1, short lam2, short lam3, short lam4) const
 Compute the amplitude for a given kinematics and a given set of helicity components.
 
bool operator== (const SteeredObject &oth) const
 Equality operator.
 
bool operator!= (const SteeredObject &oth) const
 Inequality operator.
 
const ParametersListparameters () const override
 Module user-defined parameters.
 
virtual void setParameters (const ParametersList &params) override
 Set module parameters.
 
void setDescribedParameters (const ParametersList &params_orig)
 Set (documented) module parameters.
 

Static Public Member Functions

static ParametersDescription description ()
 

Protected Member Functions

template<typename T >
steer (const std::string &key) const
 Retrieve a parameters as previously steered.
 
template<typename T , typename U >
U steerAs (const std::string &key) const
 Retrieve a recasted parameters as previously steered.
 
std::string steerName () const
 Retrieve module name from parameters.
 
std::string steerPath (const std::string &key) const
 Retrieve a path from common search paths.
 

Protected Attributes

ParametersList params_
 Module parameters.
 

Friends

std::ostream & operator<< (std::ostream &, const Mode &)
 

Detailed Description

Definition at line 32 of file NachtmannAmplitudes.h.

Member Enumeration Documentation

◆ Mode

enum class Mode
strong
Enumerator
SM 
Wbar 
phiW 
phiWbar 
phiB 
phiBbar 
WB 
WbarB 

Definition at line 37 of file NachtmannAmplitudes.h.

Constructor & Destructor Documentation

◆ NachtmannAmplitudes()

NachtmannAmplitudes ( const ParametersList params)
explicit

Definition at line 29 of file NachtmannAmplitudes.cpp.

Member Function Documentation

◆ description()

ParametersDescription description ( )
static

Definition at line 249 of file NachtmannAmplitudes.cpp.

◆ mode()

const Mode & mode ( ) const

Definition at line 39 of file NachtmannAmplitudes.h.

◆ operator!=()

bool operator!= ( const SteeredObject< NachtmannAmplitudes > &  oth) const
inherited

Definition at line 51 of file SteeredObject.h.

◆ operator()()

std::complex< double > operator() ( const Kinematics kin,
short  lam1,
short  lam2,
short  lam3,
short  lam4 
) const

Definition at line 90 of file NachtmannAmplitudes.cpp.

◆ operator==()

bool operator== ( const SteeredObject< NachtmannAmplitudes > &  oth) const
inherited

Definition at line 49 of file SteeredObject.h.

◆ parameters()

const ParametersList & parameters ( ) const
overridevirtualinherited

Reimplemented from Steerable.

Definition at line 54 of file SteeredObject.h.

◆ setDescribedParameters()

void setDescribedParameters ( const ParametersList params_orig)
inherited

Definition at line 73 of file SteeredObject.h.

◆ setParameters()

virtual void setParameters ( const ParametersList params)
overridevirtualinherited

Reimplemented from Steerable.

Definition at line 62 of file SteeredObject.h.

◆ steer()

template<typename T >
T steer ( const std::string &  key) const
protectedinherited

Definition at line 39 of file Steerable.h.

◆ steerAs()

template<typename T , typename U >
U steerAs ( const std::string &  key) const
protectedinherited

Definition at line 44 of file Steerable.h.

◆ steerName()

std::string steerName ( ) const
protectedinherited

Definition at line 48 of file Steerable.h.

◆ steerPath()

std::string steerPath ( const std::string &  key) const
protectedinherited

Definition at line 30 of file Steerable.cpp.

Friends And Related Symbol Documentation

◆ operator<<

std::ostream & operator<< ( std::ostream &  os,
const Mode mode 
)
friend

Definition at line 256 of file NachtmannAmplitudes.cpp.

Member Data Documentation

◆ params_

ParametersList params_
mutableprotectedinherited

Definition at line 50 of file Steerable.h.