The HEPEUP class is a simple container corresponding to the Les Houches accord (hep-ph/0109068) common block with the same name. More...

#include <LHEF.h>

Inheritance diagram for LHEF::HEPEUP:

Public Member Functions
	HEPEUP (const XMLTag &tag, HEPRUP &heprupin)
	Constructor from an event or eventgroup tag.

void	print (std::ostream &file) const
	Print out the event (group) as an XML tag.

void	reset ()
	Reset the HEPEUP object (does not touch the sub events).

void	clear ()
	Clear the HEPEUP object.

void	resize (int nup)
	Set the NUP variable, corresponding to the number of particles in the current event, to nup, and resize all relevant vectors accordingly.

double	totalWeight (int i=0) const
	Return the total weight for this event (including all sub evenets) for the given index.

double	totalWeight (std::string name) const
	Return the total weight for this event (including all sub evenets) for the given weight name.

double	weight (int i=0) const
	Return the weight for the given index.

double	weight (std::string name) const
	Return the weight for the given weight name.

void	setWeight (int i, double w)
	Set the weight with the given index.

bool	setWeight (std::string name, double w)
	Set the weight with the given name.

void	resize ()
	Assuming the NUP variable, corresponding to the number of particles in the current event, is correctly set, resize the relevant vectors accordingly.

bool	setWeightInfo (unsigned int i)
	Setup the current event to use weight i.

bool	setSubEvent (unsigned int i)
	Setup the current event to use sub event i.

Standard constructors and destructors.
	HEPEUP ()
	Default constructor.

	HEPEUP (const HEPEUP &x)
	Copy constructor.

HEPEUP &	setEvent (const HEPEUP &x)
	Copy information from the given HEPEUP.

HEPEUP &	operator= (const HEPEUP &x)
	Assignment operator.

	~HEPEUP ()
	Destructor.

Public Member Functions inherited from LHEF::TagBase
	TagBase ()
	Default constructor does nothing.

	TagBase (const AttributeMap &attr, std::string conts=std::string())
	Main constructor stores the attributes and contents of a tag.

bool	getattr (std::string n, double &v, bool erase=true)
	Find an attribute named n and set the double variable v to the corresponding value.

bool	getattr (std::string n, bool &v, bool erase=true)
	Find an attribute named n and set the bool variable v to true if the corresponding value is "yes".

bool	getattr (std::string n, long &v, bool erase=true)
	Find an attribute named n and set the long variable v to the corresponding value.

bool	getattr (std::string n, int &v, bool erase=true)
	Find an attribute named n and set the long variable v to the corresponding value.

bool	getattr (std::string n, std::string &v, bool erase=true)
	Find an attribute named n and set the string variable v to the corresponding value.

void	printattrs (std::ostream &file) const
	print out ' name="value"' for all unparsed attributes.

void	closetag (std::ostream &file, std::string tag) const
	Print out end of tag marker.

Public Attributes
int	NUP
	The number of particle entries in the current event.

int	IDPRUP
	The subprocess code for this event (as given in LPRUP).

double	XWGTUP
	The weight for this event.

std::pair< double, double >	XPDWUP
	The PDF weights for the two incoming partons.

double	SCALUP
	The scale in GeV used in the calculation of the PDF's in this event.

double	AQEDUP
	The value of the QED coupling used in this event.

double	AQCDUP
	The value of the QCD coupling used in this event.

std::vector< long >	IDUP
	The PDG id's for the particle entries in this event.

std::vector< int >	ISTUP
	The status codes for the particle entries in this event.

std::vector< std::pair< int, int > >	MOTHUP
	Indices for the first and last mother for the particle entries in this event.

std::vector< std::pair< int, int > >	ICOLUP
	The colour-line indices (first(second) is (anti)colour) for the particle entries in this event.

std::vector< std::vector < double > >	PUP
	Lab frame momentum (Px, Py, Pz, E and M in GeV) for the particle entries in this event.

std::vector< double >	VTIMUP
	Invariant lifetime (c*tau, distance from production to decay in mm) for the particle entries in this event.

std::vector< double >	SPINUP
	Spin info for the particle entries in this event given as the cosine of the angle between the spin vector of a particle and the 3-momentum of the decaying particle, specified in the lab frame.

HEPRUP *	heprup
	A pointer to the current HEPRUP object.

const WeightInfo *	currentWeight
	The current weight info object.

std::vector< Weight >	namedweights
	The weights associated with this event.

std::vector< std::pair< double, const WeightInfo * > >	weights
	The weights for this event and their corresponding WeightInfo object.

std::vector< Clus >	clustering
	Contents of the clustering tag.

PDFInfo	pdfinfo
	Contents of the pdfinfo tag.

std::pair< int, int >	PDFGUPsave
	Saved information about pdfs if different in a selected weight.

std::pair< int, int >	PDFSUPsave
	Saved information about pdfs if different in a selected weight.

Scales	scales
	Contents of the scales tag.

bool	isGroup
	Is this an event or an event group?

EventGroup	subevents
	If this is not a single event, but an event group, the events included in the group are in this vector;.

std::string	junk
	Save junk stuff in events just to be on the safe side.

Public Attributes inherited from LHEF::TagBase
XMLTag::AttributeMap	attributes
	The attributes of this tag;.

std::string	contents
	The contents of this tag.

Additional Inherited Members
Public Types inherited from LHEF::TagBase
typedef XMLTag::AttributeMap	AttributeMap
	Convenient typedef.

Static Public Member Functions inherited from LHEF::TagBase
static std::string	yes ()
	Static string token for truth values.

Detailed Description

The HEPEUP class is a simple container corresponding to the Les Houches accord (hep-ph/0109068) common block with the same name.

The members are named in the same way as in the common block. However, fortran arrays are represented by vectors, except for the arrays of length two which are represented by pair objects.

Definition at line 1822 of file LHEF.h.