functions.cxx File Reference

#include "eicsmear/functions.h"
#include <cmath>
#include <fstream>
#include <set>
#include <sstream>
#include <string>
#include <TLorentzVector.h>
#include <TMath.h>
#include <TParticlePDG.h>
#include <TVector2.h>
#include <TVector3.h>
#include "eicsmear/erhic/EventMC.h"
#include "eicsmear/erhic/ParticleMC.h"

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Classes
struct	Pair

Functions
char	getFirstNonBlank (const std::string &line)
double	computeHermesPhiH (const TLorentzVector &hadronInPrf, const TLorentzVector &leptonInPrf, const TLorentzVector &photonInPrf)

Detailed Description

Global function implementations.

Author

Thomas Burton

Date

2011-07-07

Copyright

2011 Brookhaven National Lab

Definition in file functions.cxx.

Function Documentation

double computeHermesPhiH	(	const TLorentzVector &	hadronInPrf,
		const TLorentzVector &	leptonInPrf,
		const TLorentzVector &	photonInPrf
	)

Calculate the hadron azimuthal angle around the virtual photon direction with respect to the lepton scattering plane in the proton rest frame. We use the HERMES convention, returning an angle in the range [0,2pi]. The vectors passed as arguments should already be boosted to the proton rest frame. Incident and scattered leptons, incident protons and virtual photons all return -999.

Definition at line 52 of file functions.cxx.

View newest version in sPHENIX GitHub at line 52 of file functions.cxx

References Acts::UnitConstants::e, k, and phi.

Referenced by erhic::ParticleMCbase::ComputeEventDependentQuantities().

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char getFirstNonBlank

(

const std::string &

line

)

Returns the first non-blank character in a line. Returns \0 if there are no non-blank characters in the line.

Definition at line 31 of file functions.cxx.

View newest version in sPHENIX GitHub at line 31 of file functions.cxx

Referenced by erhic::EventFromAsciiFactory< T >::Create().

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