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Model of elastic pp scattering by Donnachie and Landshoff. More...

#include <DLModel.h>

Inheritance diagram for Elegent::DLModel:

Public Member Functions

void Configure ()
virtual void Init ()
 sets up model parameters and data members
virtual void Print () const
 prints model info
virtual TComplex Amp (double t) const
 Amplitude in t-space. More...
virtual TComplex Prf (double b_fm) const
 b in fm
- Public Member Functions inherited from Elegent::Model
std::string CompileFullLabel () const
 compiles a human readable string from fullLabel
std::string CompileShortLabel () const
 compiles a human readable string from shortLabel
virtual void ForcePresampling (bool)
 Sets the presampling option, if available. More...

Protected Member Functions

double Nu (double t) const
 evaluates nu
double F (double t) const
 Eq. (1c) in [1].
TComplex A_single (double t) const
 Eq. (1b) in [1].
TComplex A_PP (double t) const
 Eq. (2b) in [1].
TComplex A_ggg (double t) const
 Eqs. (3a) and (3b) in [1].

Static Protected Member Functions

static TComplex Amp_J0 (double t, double *par, const void *vobj)

Protected Attributes

double ep_P
double ep_pl
double ep_mi
double X_P
double X_pl
double X_mi
double al_P_p
double al_pl_p
double al_mi_p
double A
double a
double b
double C
double t0
double upper_bound_t
 integration variables
double precision_t
bool integ_workspace_initialized
unsigned long integ_workspace_size_t
gsl_integration_workspace * integ_workspace_t

Additional Inherited Members

- Public Attributes inherited from Elegent::Model
Label fullLabel
 full label (e.g. for figure legend)
Label shortLabel
 short label (e.g. for object names in ROOT files)

Detailed Description

Model of elastic pp scattering by Donnachie and Landshoff.

References: [1] Physics Letters B 727 (2013) 500-505

Member Function Documentation

TComplex DLModel::Amp ( double  t) const

Amplitude in t-space.

Normalisation is such that \( dsigma/dt = (\hbar c)^2 * \pi / (s p^2) * |Amp(t)|^2 \) Differential cross-section can be obtained as Constants::sig_fac * |Amp(t)|^2

tin GeV^-2, t < 0

Implements Elegent::Model.

The documentation for this class was generated from the following files:
  • src/libElegent/interface/DLModel.h
  • src/libElegent/src/DLModel.cc