PYTHIA  8.303
Public Member Functions | List of all members
PartonSystems Class Reference

The PartonSystems class describes the whole set of subcollisions. More...

#include <PartonSystems.h>

Public Member Functions

 PartonSystems ()
 Constructor.
 
void clear ()
 Reset system list to empty.
 
int addSys ()
 Add new subsystem to list; return its index. Number of subsystems.
 
int sizeSys () const
 
void setHard (int iSys, bool hard)
 Set, add or replace info to one system.
 
void setInA (int iSys, int iPos)
 
void setInB (int iSys, int iPos)
 
void setInRes (int iSys, int iPos)
 
void addOut (int iSys, int iPos)
 
void popBackOut (int iSys)
 
void setOut (int iSys, int iMem, int iPos)
 
void replace (int iSys, int iPosOld, int iPosNew)
 The PartonSystems class. More...
 
void setSHat (int iSys, double sHatIn)
 
void setPTHat (int iSys, double pTHatIn)
 
void setSizeSys (int iSize)
 
bool hasInAB (int iSys) const
 Get info on one system.
 
bool hasInRes (int iSys) const
 
bool getHard (int iSys) const
 
int getInA (int iSys) const
 
int getInB (int iSys) const
 
int getInRes (int iSys) const
 
int sizeOut (int iSys) const
 
int getOut (int iSys, int iMem) const
 
int sizeAll (int iSys) const
 
int getAll (int iSys, int iMem) const
 Return index of any parton in system, list starting with beam remnants.
 
double getSHat (int iSys) const
 
double getPTHat (int iSys) const
 
int getSystemOf (int iPos, bool alsoIn=false) const
 Find system of given outgoing parton, optionally also incoming one. More...
 
int getIndexOfOut (int iSys, int iPos) const
 Find iOut index of given system and event record index. More...
 
void list () const
 List all current systems. More...
 
void popBack ()
 Remove the last system.
 

Detailed Description

The PartonSystems class describes the whole set of subcollisions.

Member Function Documentation

int getIndexOfOut ( int  iSys,
int  iPos 
) const

Find iOut index of given system and event record index.

Get the iMem index of iOut for an index into the event record.

Failure signalled by return value -1.

int getSystemOf ( int  iPos,
bool  alsoIn = false 
) const

Find system of given outgoing parton, optionally also incoming one.

Find system of given outgoing parton, optionally also incoming one. If the parton is outgoing in one system and incoming in another (eg a decaying resonance), the system in which it is incoming will be returned if alsoIn == true, else the system in which it is outgoing will be returned.

If (alsoIn), first check if this parton appears as incoming in any system.

Then check if it appears as outgoing in any system.

Failure signalled by return value -1.

void list ( ) const

List all current systems.

Print members in systems; for debug mainly.

Header.

Loop over system list and over members in each system.

Alternative if no systems. Done.

void replace ( int  iSys,
int  iPosOld,
int  iPosNew 
)

The PartonSystems class.

Replace the index of an incoming or outgoing parton by a new index.


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