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PARTONS::DVCSProcessBMJ12 Class Reference

Module for the DVCS process using the Belitsky-Müller set of formulas. More...

Inheritance diagram for PARTONS::DVCSProcessBMJ12:
PARTONS::DVCSProcessModule PARTONS::ProcessModule< DVCSObservableKinematic, DVCSObservableResult > PARTONS::ModuleObject PARTONS::BaseObject

Public Member Functions

 DVCSProcessBMJ12 (const std::string &className)
 Constructor. More...
 
virtual ~DVCSProcessBMJ12 ()
 Default destructor. More...
 
virtual DVCSProcessBMJ12clone () const
 Virtual clone function to allow the factory to clone all derived members object stored in the BaseObjectRegistry. More...
 
- Public Member Functions inherited from PARTONS::DVCSProcessModule
virtual ~DVCSProcessModule ()
 Destructor. More...
 
virtual std::string toString () const
 Return a pre-formatted characters string for output visualization of class member's values. More...
 
virtual void resolveObjectDependencies ()
 Because of the initialization step order of the program, objects are registered in a total random order and some objects depend on others. More...
 
virtual void run ()
 
virtual void configure (const ElemUtils::Parameters &parameters)
 Provides a generic method to configure all types of modules by passing a Parameters object. More...
 
virtual void prepareSubModules (const std::map< std::string, BaseObjectData > &subModulesData)
 Method used in automation to prepare all the modules used by this current module and configure them recursively. More...
 
virtual DVCSObservableResult compute (double beamHelicity, double beamCharge, NumA::Vector3D targetPolarization, const DVCSObservableKinematic &kinematic, const List< GPDType > &gpdType=List< GPDType >())
 
virtual List< GPDTypegetListOfAvailableGPDTypeForComputation () const
 Must be implemented in child class. More...
 
DVCSObservableResult compute (double beamHelicity, double beamCharge, NumA::Vector3D targetPolarization, const DVCSObservableKinematic &kinematic, const List< GPDType > &gpdType, VCSSubProcessType::Type processType)
 Computes the differential cross-section. More...
 
virtual void resetPreviousKinematic ()
 Reset previous kinematics. More...
 
bool isPreviousCCFKinematicDifferent (const DVCSConvolCoeffFunctionKinematic &kinematic) const
 Check if this kinematics is different than the previous one. More...
 
DVCSScalesModulegetScaleModule () const
 Get scale module. More...
 
void setScaleModule (DVCSScalesModule *pScaleModule)
 Set scale module. More...
 
DVCSXiConverterModulegetXiConverterModule () const
 Get xi converter module. More...
 
void setXiConverterModule (DVCSXiConverterModule *pXiConverterModule)
 Set xi converted module. More...
 
DVCSConvolCoeffFunctionModulegetConvolCoeffFunctionModule () const
 Get CCF module;. More...
 
void setConvolCoeffFunctionModule (DVCSConvolCoeffFunctionModule *pConvolCoeffFunctionModule)
 Set CCF module. More...
 
void setConvolCoeffFunction (const DVCSConvolCoeffFunctionKinematic &kin, const DVCSConvolCoeffFunctionResult &result)
 Set manually CFFs. More...
 
- Public Member Functions inherited from PARTONS::ProcessModule< DVCSObservableKinematic, DVCSObservableResult >
virtual ~ProcessModule ()
 Destructor. More...
 
bool isCCFModuleDependent () const
 Check if this process module depends on a CCF module. More...
 
void setIsCCFModuleDependent (bool isCCFModuleDependent)
 Set if this process module depends on a CCF module. More...
 
- Public Member Functions inherited from PARTONS::ModuleObject
 ModuleObject (const std::string &className, ChannelType::Type channelType)
 Constructor. More...
 
virtual ~ModuleObject ()
 Default destructor. More...
 
unsigned int getReferenceModuleId () const
 Get reference module id. More...
 
void setReferenceModuleId (unsigned int referenceModuleId)
 Set reference module id. More...
 
ChannelType::Type getChannelType () const
 Get channel type. More...
 
- Public Member Functions inherited from PARTONS::BaseObject
 BaseObject (const std::string &className)
 Constructor. More...
 
virtual ~BaseObject ()
 Default destructor. More...
 
void serialize (ElemUtils::Packet &packet) const
 Used to split a complex C++ object into a concatenation of simple types. More...
 
void unserialize (ElemUtils::Packet &packet)
 Used to rebuild a complex C++ object from a concatenation of simple type. More...
 
bool operator< (const BaseObject &other) const
 Overload of < operator to sort BaseObject object by its indexId value. More...
 
const std::string & getClassName () const
 
unsigned int getObjectId () const
 
int getIndexId () const
 
void setIndexId (int indexId)
 

Static Public Attributes

static const unsigned int classId
 Unique ID to automatically register the class in the registry. More...
 
- Static Public Attributes inherited from PARTONS::DVCSProcessModule
static const std::string DVCS_PROCESS_MODULE_CLASS_NAME
 Type of the module in XML automation. More...
 
- Static Public Attributes inherited from PARTONS::ModuleObject
static const std::string CLASS_NAME = "className"
 

Protected Member Functions

 DVCSProcessBMJ12 (const DVCSProcessBMJ12 &other)
 Copy constructor. More...
 
virtual void initModule ()
 Pure virtual function that provides skeleton for module initialization. More...
 
virtual void isModuleWellConfigured ()
 Pure virtual function that provides skeleton to check if the module is well initialized and configured. More...
 
virtual PhysicalType< double > CrossSectionBH ()
 Bethe-Heitler differential cross section. More...
 
virtual PhysicalType< double > CrossSectionVCS ()
 Virtual Compton Scattering differential cross section. More...
 
virtual PhysicalType< double > CrossSectionInterf ()
 Interference differential cross section. More...
 
- Protected Member Functions inherited from PARTONS::DVCSProcessModule
 DVCSProcessModule (const std::string &className)
 Default constructor. More...
 
 DVCSProcessModule (const DVCSProcessModule &other)
 Copy constructor. More...
 
virtual void setKinematics (const DVCSObservableKinematic &kinematic)
 Set internal kinematics. More...
 
virtual void setExperimentalConditions (double beamHelicity, double beamCharge, NumA::Vector3D targetPolarization)
 
void computeConvolCoeffFunction (const DVCSObservableKinematic &kinematic, const List< GPDType > &gpdType=List< GPDType >())
 Compute CCF for a given kinematics. More...
 
std::complex< double > getConvolCoeffFunctionValue (GPDType::Type gpdType)
 Gives back a previously computed Compton Form Factor. More...
 
- Protected Member Functions inherited from PARTONS::ProcessModule< DVCSObservableKinematic, DVCSObservableResult >
 ProcessModule (const std::string &className, ChannelType::Type channelType)
 Constructor. More...
 
 ProcessModule (const ProcessModule &other)
 Copy constructor. More...
 
- Protected Member Functions inherited from PARTONS::ModuleObject
 ModuleObject (const ModuleObject &other)
 
- Protected Member Functions inherited from PARTONS::BaseObject
 BaseObject (const BaseObject &other)
 Copy constructor. More...
 
void info (const std::string &functionName, const std::string &message) const
 Print info message into logger. More...
 
void debug (const std::string &functionName, const std::string &message) const
 Print debug message into logger. More...
 
void warn (const std::string &functionName, const std::string &message) const
 Print warning message into logger. More...
 
void errorMissingParameter (const std::string &parameterName) const
 Use in automation process to throw exception when a parameter is missing from the XML scenario file. More...
 

Private Member Functions

void defineAngles (const NumA::Vector3D &targetPolarization)
 Defines the BMK angles. Conversion to the BMK convention. More...
 
void computeFormFactors ()
 Compute F1 and F2 form factors. More...
 
void computeFourierCoeffsBH ()
 Computes c_BH and s_BH. More...
 
void computeFourierCoeffsVCS ()
 Computes c_VCS and s_VCS. More...
 
void computeAngularCoeffsInterf ()
 Computes C_ab(n), S_ab(n), etc. More...
 
void computeFourierCoeffsInterf ()
 Computes c_I and s_I. More...
 
std::complex< double > CFF (GPDType::Type F, int a, int b)
 Method that gives F+b and F0+ already calculated. More...
 
void computeCFFs ()
 Computes CFFS F+b and F0+. More...
 
std::complex< double > C_VCS (unsigned int S, int a1, int b1, int a2, int b2)
 Method that gives the VCS coefficient bilinear in the CFFs. More...
 
std::complex< double > C_VCS (unsigned int S, int a1, int b1, int a2, int b2, int a3, int b3)
 
std::complex< double > C_VCS (unsigned int S, int a1, int b1, int a2, int b2, int a3, int b3, int a4, int b4)
 
std::complex< double > C_I (unsigned int S, int a, int b, const std::string &VA)
 Method that gives the Interference coefficient linear in the CFFs. More...
 
std::complex< double > C_I (unsigned int S, unsigned int n, int a, int b)
 Method that gives the "effective" linear combinations of CFFs. More...
 
std::complex< double > S_I (unsigned int S, unsigned int n, int a, int b)
 Method that gives the "effective" linear combinations of CFFs. More...
 
double SqrAmplBH (double beamHelicity, double beamCharge, NumA::Vector3D targetPolarization)
 Returns the squared amplitude of Bethe Heitler process. More...
 
double SqrAmplVCS (double beamHelicity, double beamCharge, NumA::Vector3D targetPolarization)
 Returns the squared amplitude of VCS process. More...
 
double SqrAmplInterf (double beamHelicity, double beamCharge, NumA::Vector3D targetPolarization)
 Returns the interference term of the squared amplitude. More...
 

Private Attributes

double m_phi1BMK
 Angle small phi of BMK (between electron and outgoing proton). More...
 
double m_phi2BMK
 Angle small phi of BMK (between target polarization and outgoing proton). More...
 
double m_PhiBMK
 Angle capital Phi of BMK (between electron and target polarization). More...
 
double m_theta
 Polarization angle of target. More...
 
double m_Lambda
 Longitudinal polarization of target. More...
 
double m_lambda
 Lepton helicity. More...
 
double m_phaseSpace
 Phase-space factor. More...
 
double m_xB2
 Square of xB. More...
 
std::vector< double > m_Q
 Square root of virtuality Q2. More...
 
std::vector< double > m_xBtQ2
 
std::vector< double > m_M
 Proton mass. More...
 
std::vector< double > m_yBMJ
 Lepton energy fraction. More...
 
std::vector< double > m_epsilonBMJ
 m_epsilon[0] = epsilon, m_epsilon[1] = epsilon^2, etc... More...
 
std::vector< double > m_epsroot
 sqrt(1+epsilon^2) More...
 
std::vector< double > m_K
 
std::vector< double > m_Kt
 Kinematical factors K and K tilde. More...
 
std::vector< double > m_Delta2
 Mandelstam variable t. More...
 
double m_P1
 
double m_P2
 Lepton propagators. More...
 
double m_F1
 
double m_F2
 Dirac and Pauli form factors. More...
 
std::vector< std::vector< double > > m_cBH
 Fourier coeffs of the BH squared amplitude. More...
 
double m_s1BHTP
 BH Fourier coeff s1 TP. More...
 
std::vector< std::vector< double > > m_cVCS
 Fourier coeffs (cosinus) of the VCS squared amplitude. More...
 
std::vector< std::vector< double > > m_sVCS
 Fourier coeffs (sinus) of the VCS squared amplitude. More...
 
std::vector< std::vector< double > > m_cI
 Fourier coeffs (cosinus) of the Interference term. More...
 
std::vector< std::vector< double > > m_sI
 Fourier coeffs (sinus) of the Interference term. More...
 
std::vector< std::vector< std::vector< double > > > m_C
 Angular coeffs \( C_ab(n) \), \( dC_ab(n) \), \( S_ab(n) \), \( dS_ab(n) \) . More...
 
std::vector< std::vector< std::vector< double > > > m_S
 
std::vector< std::vector< std::vector< double > > > m_dC
 
std::vector< std::vector< std::vector< double > > > m_dS
 
std::vector< std::vector< double > > m_cF
 Coefficients used for computing F+b and F0+. More...
 
std::vector< std::vector< std::complex< double > > > m_CFF
 Array that stores the CFFs F+b and F0+. More...
 

Additional Inherited Members

- Protected Attributes inherited from PARTONS::DVCSProcessModule
double m_xB
 Bjorken variable. More...
 
double m_t
 Mandelstam variable (square of the 4-momentum transferm in GeV2). More...
 
double m_Q2
 Virtuality of the incoming photon (in GeV2). More...
 
double m_E
 Beam energy in target rest frame (in GeV). More...
 
double m_phi
 Angle between leptonic and hadronic plane (in radians, Trento convention). More...
 
double m_beamHelicity
 Beam helicity. More...
 
double m_beamCharge
 Beam charge. More...
 
NumA::Vector3D m_targetPolarization
 Target polarization. More...
 
double m_tmin
 Minimal value of t. More...
 
double m_tmax
 Maximal value of t. More...
 
double m_xBmin
 Minimal value of xB. More...
 
double m_y
 Lepton energy fraction. More...
 
double m_epsilon
 \( \epsilon = \frac{2 x_B M}{Q} \). More...
 
DVCSScalesModulem_pScaleModule
 Pointer to the underlying scale module. More...
 
DVCSXiConverterModulem_pXiConverterModule
 Pointer to the underlying xi converter module. More...
 
DVCSConvolCoeffFunctionModulem_pConvolCoeffFunctionModule
 Pointer to the underlying CCF module. More...
 
DVCSConvolCoeffFunctionResult m_dvcsConvolCoeffFunctionResult
 Stored Compton Form Factor result. More...
 
DVCSConvolCoeffFunctionKinematic m_lastCCFKinematics
 Last Compton Form Factor kinematics. More...
 
- Protected Attributes inherited from PARTONS::ProcessModule< DVCSObservableKinematic, DVCSObservableResult >
bool m_isCCFModuleDependent
 Boolean (true if this Process module depends on a CCF module). More...
 
- Protected Attributes inherited from PARTONS::ModuleObject
ModuleObjectFactorym_pModuleObjectFactory
 Pointer tp module object factory. More...
 

Detailed Description

Module for the DVCS process using the Belitsky-Müller set of formulas.

Code based on the published papers:

Constructor & Destructor Documentation

◆ DVCSProcessBMJ12() [1/2]

PARTONS::DVCSProcessBMJ12::DVCSProcessBMJ12 ( const std::string &  className)

Constructor.

See BaseObject::BaseObject and ModuleObject::ModuleObject for more details.

Parameters
classNamename of child class.

◆ ~DVCSProcessBMJ12()

PARTONS::DVCSProcessBMJ12::~DVCSProcessBMJ12 ( )
virtual

Default destructor.

◆ DVCSProcessBMJ12() [2/2]

PARTONS::DVCSProcessBMJ12::DVCSProcessBMJ12 ( const DVCSProcessBMJ12 other)
protected

Copy constructor.

Used by the factory.

Parameters
other

Member Function Documentation

◆ C_I() [1/2]

std::complex< double > PARTONS::DVCSProcessBMJ12::C_I ( unsigned int  S,
int  a,
int  b,
const std::string &  VA 
)
private

Method that gives the Interference coefficient linear in the CFFs.

Parameters
S0=unp, 1=LP, 2=TP+, 3=TP-.
VAcan be "V" or "A" or "".

◆ C_I() [2/2]

std::complex< double > PARTONS::DVCSProcessBMJ12::C_I ( unsigned int  S,
unsigned int  n,
int  a,
int  b 
)
private

Method that gives the "effective" linear combinations of CFFs.

Corresponds to Eqs. (68-69) but multiplied by the coefficient \( C_{ab}(n) \) to avoid divisions by zero.

Parameters
S0=unp, 1=LP, 2=TP+, 3=TP-.
n
a
b
Returns
\( {\cal C}_{ab,S}(n|Fab) \times C_{ab}(n) \)

◆ C_VCS() [1/3]

std::complex< double > PARTONS::DVCSProcessBMJ12::C_VCS ( unsigned int  S,
int  a1,
int  b1,
int  a2,
int  b2 
)
private

Method that gives the VCS coefficient bilinear in the CFFs.

Parameters
S0=unp, 1=LP, 2=TP+, 3=TP-

◆ C_VCS() [2/3]

std::complex< double > PARTONS::DVCSProcessBMJ12::C_VCS ( unsigned int  S,
int  a1,
int  b1,
int  a2,
int  b2,
int  a3,
int  b3 
)
private

◆ C_VCS() [3/3]

std::complex< double > PARTONS::DVCSProcessBMJ12::C_VCS ( unsigned int  S,
int  a1,
int  b1,
int  a2,
int  b2,
int  a3,
int  b3,
int  a4,
int  b4 
)
private

◆ CFF()

std::complex< double > PARTONS::DVCSProcessBMJ12::CFF ( GPDType::Type  F,
int  a,
int  b 
)
private

Method that gives F+b and F0+ already calculated.

◆ clone()

DVCSProcessBMJ12 * PARTONS::DVCSProcessBMJ12::clone ( ) const
virtual

Virtual clone function to allow the factory to clone all derived members object stored in the BaseObjectRegistry.

Returns

Implements PARTONS::DVCSProcessModule.

◆ computeAngularCoeffsInterf()

void PARTONS::DVCSProcessBMJ12::computeAngularCoeffsInterf ( )
private

Computes C_ab(n), S_ab(n), etc.

◆ computeCFFs()

void PARTONS::DVCSProcessBMJ12::computeCFFs ( )
private

Computes CFFS F+b and F0+.

◆ computeFormFactors()

void PARTONS::DVCSProcessBMJ12::computeFormFactors ( )
private

Compute F1 and F2 form factors.

◆ computeFourierCoeffsBH()

void PARTONS::DVCSProcessBMJ12::computeFourierCoeffsBH ( )
private

Computes c_BH and s_BH.

◆ computeFourierCoeffsInterf()

void PARTONS::DVCSProcessBMJ12::computeFourierCoeffsInterf ( )
private

Computes c_I and s_I.

◆ computeFourierCoeffsVCS()

void PARTONS::DVCSProcessBMJ12::computeFourierCoeffsVCS ( )
private

Computes c_VCS and s_VCS.

◆ CrossSectionBH()

PhysicalType< double > PARTONS::DVCSProcessBMJ12::CrossSectionBH ( )
protectedvirtual

Bethe-Heitler differential cross section.

Reimplemented from PARTONS::DVCSProcessModule.

◆ CrossSectionInterf()

PhysicalType< double > PARTONS::DVCSProcessBMJ12::CrossSectionInterf ( )
protectedvirtual

Interference differential cross section.

Reimplemented from PARTONS::DVCSProcessModule.

◆ CrossSectionVCS()

PhysicalType< double > PARTONS::DVCSProcessBMJ12::CrossSectionVCS ( )
protectedvirtual

Virtual Compton Scattering differential cross section.

Reimplemented from PARTONS::DVCSProcessModule.

◆ defineAngles()

void PARTONS::DVCSProcessBMJ12::defineAngles ( const NumA::Vector3D &  targetPolarization)
private

Defines the BMK angles. Conversion to the BMK convention.

◆ initModule()

void PARTONS::DVCSProcessBMJ12::initModule ( )
protectedvirtual

Pure virtual function that provides skeleton for module initialization.

Children must define and override it.

Reimplemented from PARTONS::DVCSProcessModule.

◆ isModuleWellConfigured()

void PARTONS::DVCSProcessBMJ12::isModuleWellConfigured ( )
protectedvirtual

Pure virtual function that provides skeleton to check if the module is well initialized and configured.

Children must define and override it.

Reimplemented from PARTONS::DVCSProcessModule.

◆ S_I()

std::complex< double > PARTONS::DVCSProcessBMJ12::S_I ( unsigned int  S,
unsigned int  n,
int  a,
int  b 
)
private

Method that gives the "effective" linear combinations of CFFs.

Corresponds to Eqs. (68-69) but multiplied by the coefficient \( S_{ab}(n) \) to avoid divisions by zero.

Parameters
S0=unp, 1=LP, 2=TP+, 3=TP-.
n
a
b
Returns
\( {\cal S}_{ab,S}(n|Fab) \times S_{ab}(n) \)

◆ SqrAmplBH()

double PARTONS::DVCSProcessBMJ12::SqrAmplBH ( double  beamHelicity,
double  beamCharge,
NumA::Vector3D  targetPolarization 
)
private

Returns the squared amplitude of Bethe Heitler process.

◆ SqrAmplInterf()

double PARTONS::DVCSProcessBMJ12::SqrAmplInterf ( double  beamHelicity,
double  beamCharge,
NumA::Vector3D  targetPolarization 
)
private

Returns the interference term of the squared amplitude.

◆ SqrAmplVCS()

double PARTONS::DVCSProcessBMJ12::SqrAmplVCS ( double  beamHelicity,
double  beamCharge,
NumA::Vector3D  targetPolarization 
)
private

Returns the squared amplitude of VCS process.

Member Data Documentation

◆ classId

const unsigned int PARTONS::DVCSProcessBMJ12::classId
static
Initial value:
=
new DVCSProcessBMJ12("DVCSProcessBMJ12"))
unsigned int registerBaseObject(BaseObject *pBaseObject)
Store a unique instance of a module identified by a unique string character key.
Definition: BaseObjectRegistry.cpp:45
static BaseObjectRegistry * getInstance()
Static function to be able to retrieve a unique instance pointer of this class anywhere in the code.
Definition: BaseObjectRegistry.cpp:15
DVCSProcessBMJ12(const std::string &className)
Constructor.
Definition: DVCSProcessBMJ12.cpp:18

Unique ID to automatically register the class in the registry.

◆ m_C

std::vector<std::vector<std::vector<double> > > PARTONS::DVCSProcessBMJ12::m_C
private

Angular coeffs \( C_ab(n) \), \( dC_ab(n) \), \( S_ab(n) \), \( dS_ab(n) \) .

1st index: [0]=C++, [1]=C-+, [2]=C0+.
2nd index: [0]=not, [1]=V, [2]=A.
3rd index: n

◆ m_cBH

std::vector<std::vector<double> > PARTONS::DVCSProcessBMJ12::m_cBH
private

Fourier coeffs of the BH squared amplitude.

1st index: [0]=unp, [1]=LP, [2]=TP.
2nd index: [0]=c0, [1]=c1, [2]=c2.

◆ m_cF

std::vector<std::vector<double> > PARTONS::DVCSProcessBMJ12::m_cF
private

Coefficients used for computing F+b and F0+.

1st index: [0] = F++, [1] = F+-, [2] = F0+.
2nd index: [0]: F coeff, [1]: FT coeff, [2]: FLT coeff.

◆ m_CFF

std::vector<std::vector<std::complex<double> > > PARTONS::DVCSProcessBMJ12::m_CFF
private

Array that stores the CFFs F+b and F0+.

1st index: [0] = H, [1] = E, [2] = Ht, [3] = Et.
2nd index: [0] = F++, [1] = F+-, [2] = F0+.

◆ m_cI

std::vector<std::vector<double> > PARTONS::DVCSProcessBMJ12::m_cI
private

Fourier coeffs (cosinus) of the Interference term.

1st index: [0]=unp, [1]=LP, [2]=TP.
2nd index: [0]=c0, [1]=c1, [2]=c2, [3]=c3.

◆ m_cVCS

std::vector<std::vector<double> > PARTONS::DVCSProcessBMJ12::m_cVCS
private

Fourier coeffs (cosinus) of the VCS squared amplitude.

1st index: [0]=unp, [1]=LP, [2]=TP.
2nd index: [0]=c0, [1]=c1, [2]=c2.

◆ m_dC

std::vector<std::vector<std::vector<double> > > PARTONS::DVCSProcessBMJ12::m_dC
private

◆ m_Delta2

std::vector<double> PARTONS::DVCSProcessBMJ12::m_Delta2
private

Mandelstam variable t.

m_Delta2[0] = t, m_Delta2[1] = Delta^4 = t^2, etc...

◆ m_dS

std::vector<std::vector<std::vector<double> > > PARTONS::DVCSProcessBMJ12::m_dS
private

◆ m_epsilonBMJ

std::vector<double> PARTONS::DVCSProcessBMJ12::m_epsilonBMJ
private

m_epsilon[0] = epsilon, m_epsilon[1] = epsilon^2, etc...

◆ m_epsroot

std::vector<double> PARTONS::DVCSProcessBMJ12::m_epsroot
private

sqrt(1+epsilon^2)

◆ m_F1

double PARTONS::DVCSProcessBMJ12::m_F1
private

◆ m_F2

double PARTONS::DVCSProcessBMJ12::m_F2
private

Dirac and Pauli form factors.

◆ m_K

std::vector<double> PARTONS::DVCSProcessBMJ12::m_K
private

◆ m_Kt

std::vector<double> PARTONS::DVCSProcessBMJ12::m_Kt
private

Kinematical factors K and K tilde.

m_K[0] = K, m_K[1] = K^2, etc...

◆ m_Lambda

double PARTONS::DVCSProcessBMJ12::m_Lambda
private

Longitudinal polarization of target.

◆ m_lambda

double PARTONS::DVCSProcessBMJ12::m_lambda
private

Lepton helicity.

◆ m_M

std::vector<double> PARTONS::DVCSProcessBMJ12::m_M
private

Proton mass.

m_M[0] = M, m_M[1] = M^2, etc...

◆ m_P1

double PARTONS::DVCSProcessBMJ12::m_P1
private

◆ m_P2

double PARTONS::DVCSProcessBMJ12::m_P2
private

Lepton propagators.

◆ m_phaseSpace

double PARTONS::DVCSProcessBMJ12::m_phaseSpace
private

Phase-space factor.

◆ m_phi1BMK

double PARTONS::DVCSProcessBMJ12::m_phi1BMK
private

Angle small phi of BMK (between electron and outgoing proton).

◆ m_phi2BMK

double PARTONS::DVCSProcessBMJ12::m_phi2BMK
private

Angle small phi of BMK (between target polarization and outgoing proton).

◆ m_PhiBMK

double PARTONS::DVCSProcessBMJ12::m_PhiBMK
private

Angle capital Phi of BMK (between electron and target polarization).

◆ m_Q

std::vector<double> PARTONS::DVCSProcessBMJ12::m_Q
private

Square root of virtuality Q2.

m_Q[0] = Q, m_Q[1] = Q^2, etc...

◆ m_S

std::vector<std::vector<std::vector<double> > > PARTONS::DVCSProcessBMJ12::m_S
private

◆ m_s1BHTP

double PARTONS::DVCSProcessBMJ12::m_s1BHTP
private

BH Fourier coeff s1 TP.

◆ m_sI

std::vector<std::vector<double> > PARTONS::DVCSProcessBMJ12::m_sI
private

Fourier coeffs (sinus) of the Interference term.

1st index: [0]=unp, [1]=LP, [2]=TP.
2nd index: [0]=0., [1]=s1, [2]=s2, [3]=s3.

◆ m_sVCS

std::vector<std::vector<double> > PARTONS::DVCSProcessBMJ12::m_sVCS
private

Fourier coeffs (sinus) of the VCS squared amplitude.

1st index: [0]=unp, [1]=LP, [2]=TP.
2nd index: [0]=0., [1]=s1, [2]=s2.

◆ m_theta

double PARTONS::DVCSProcessBMJ12::m_theta
private

Polarization angle of target.

◆ m_xB2

double PARTONS::DVCSProcessBMJ12::m_xB2
private

Square of xB.

◆ m_xBtQ2

std::vector<double> PARTONS::DVCSProcessBMJ12::m_xBtQ2
private

◆ m_yBMJ

std::vector<double> PARTONS::DVCSProcessBMJ12::m_yBMJ
private

Lepton energy fraction.

m_y[0] = y, m_y[1] = y^2, etc...


The documentation for this class was generated from the following files: