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//==========================================================================
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// This file has been automatically generated for Pythia 8
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// MadGraph5_aMC@NLO v. %(version)s, %(date)s
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// By the MadGraph5_aMC@NLO Development Team
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// Visit launchpad.net/madgraph5 and amcatnlo.web.cern.ch
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//==========================================================================
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#ifndef Pythia8_Sigma_sm_gd_ddxd_H
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#define Pythia8_Sigma_sm_gd_ddxd_H
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#include "Pythia8/SigmaProcess.h"
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#include "Parameters_sm.h"
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//==========================================================================
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// A class for calculating the matrix elements for
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// Process: g d > z d WEIGHTED=3
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// * Decay: z > d d~ WEIGHTED=2
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// Process: g s > z s WEIGHTED=3
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// * Decay: z > d d~ WEIGHTED=2
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// Process: g d > z d WEIGHTED=3
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// * Decay: z > u u~ WEIGHTED=2
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// Process: g s > z s WEIGHTED=3
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// * Decay: z > u u~ WEIGHTED=2
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// Process: g d > z d WEIGHTED=3
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// * Decay: z > s s~ WEIGHTED=2
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// Process: g s > z s WEIGHTED=3
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// * Decay: z > s s~ WEIGHTED=2
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// Process: g u > z u WEIGHTED=3
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// * Decay: z > d d~ WEIGHTED=2
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// Process: g u > z u WEIGHTED=3
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// * Decay: z > s s~ WEIGHTED=2
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// Process: g u > z u WEIGHTED=3
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// * Decay: z > u u~ WEIGHTED=2
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// Process: g d~ > z d~ WEIGHTED=3
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// * Decay: z > d d~ WEIGHTED=2
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// Process: g s~ > z s~ WEIGHTED=3
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// * Decay: z > d d~ WEIGHTED=2
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// Process: g d~ > z d~ WEIGHTED=3
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// * Decay: z > u u~ WEIGHTED=2
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// Process: g s~ > z s~ WEIGHTED=3
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// * Decay: z > u u~ WEIGHTED=2
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// Process: g d~ > z d~ WEIGHTED=3
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// * Decay: z > s s~ WEIGHTED=2
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// Process: g s~ > z s~ WEIGHTED=3
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// * Decay: z > s s~ WEIGHTED=2
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// Process: g u~ > z u~ WEIGHTED=3
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// * Decay: z > d d~ WEIGHTED=2
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// Process: g u~ > z u~ WEIGHTED=3
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// * Decay: z > s s~ WEIGHTED=2
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// Process: g u~ > z u~ WEIGHTED=3
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// * Decay: z > u u~ WEIGHTED=2
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//--------------------------------------------------------------------------
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class Sigma_sm_gd_ddxd : public Sigma3Process
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// Initialize process.
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virtual void initProc();
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// Calculate flavour-independent parts of cross section.
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virtual void sigmaKin();
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// Evaluate sigmaHat(sHat).
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virtual double sigmaHat();
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// Select flavour, colour and anticolour.
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virtual void setIdColAcol();
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// Evaluate weight for decay angles.
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virtual double weightDecay(Event& process, int iResBeg, int iResEnd);
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// Info on the subprocess.
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virtual string name() const {return "g d > d d~ d (sm)";}
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virtual int code() const {return 10000;}
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virtual string inFlux() const {return "qg";}
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virtual int resonanceA() const {return 23;}
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// Tell Pythia that sigmaHat returns the ME^2
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virtual bool convertM2() const {return true;}
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// Private functions to calculate the matrix element for all subprocesses
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// Calculate wavefunctions
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void calculate_wavefunctions(const int perm[], const int hel[]);
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static const int nwavefuncs = 13;
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std::complex<double> w[nwavefuncs][18];
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static const int namplitudes = 18;
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std::complex<double> amp[namplitudes];
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double matrix_gd_zd_z_ddx();
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double matrix_gd_zd_z_uux();
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double matrix_gd_zd_z_ssx();
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double matrix_gu_zu_z_ddx();
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double matrix_gu_zu_z_uux();
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double matrix_gdx_zdx_z_ddx();
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double matrix_gdx_zdx_z_uux();
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double matrix_gdx_zdx_z_ssx();
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double matrix_gux_zux_z_ddx();
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double matrix_gux_zux_z_uux();
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// Constants for array limits
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static const int nexternal = 5;
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static const int nprocesses = 20;
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// Store the matrix element value from sigmaKin
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double matrix_element[nprocesses];
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// Color flows, used when selecting color
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double * jamp2[nprocesses];
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// Pointer to the model parameters
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Parameters_sm * pars;
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} // end namespace Pythia8
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#endif // Pythia8_Sigma_sm_gd_ddxd_H
added
removed
tests/input_files/IOTestsComparison/IOExportPythia8Test/write_dec_multiprocess_files/write_dec_multiprocess_files.h
