Functions
decay	Add ("eta, parent")
decay	Add ("pi0, daughter, primary")
decay	Add ("pi+, daughter, s1")
decay	Add ("pi-, daughter, s2")
decay	AddEquation ("_f = 1.; m = (_s1 + _primary)->M2(); if m > 0.12; _f = 0.2")
decay	SetMax (1)
	makeDistributionManager () -> Add(decay)
my_reaction	Do (hf1, "_x = ([pi-] + [pi0])->M2() ; _y = ([pi+] + [pi0])->M2()")
my_reaction	Print ()
my_reaction	Loop (10000)
hf1	Draw ("box")
f	cd ()
hf1	Write ()

Variables
PDalitzDistribution *	decay
TFile *	f = new TFile("histo.root", "RECREATE")
TH2F *	hf1 = new TH2F("hf1", "", 100, 0.06, .2, 100, 0.06, .2)
PReaction	my_reaction ("2.2", "p", "p", "p p eta [pi+ pi- pi0]", NULL, 1, 0, 0, 0)

Function Documentation

◆ Add() [1/4]

decay Add	(	"	eta,
		parent"	)

◆ Add() [2/4]

decay Add	(	"pi+	,
		daughter	,
		s1"	)

◆ Add() [3/4]

decay Add	(	"pi-	,
		daughter	,
		s2"	)

◆ Add() [4/4]

decay Add	(	"	pi0,
		daughter	,
		primary"	)

◆ AddEquation()

decay AddEquation ( " _f = 1.; m = (_s1 + _primary)->M2(); if m )

◆ cd()

f cd ( )

◆ Do()

my_reaction Do ( hf1 )

◆ Draw()

hf1 Draw ( "box" )

◆ Loop()

my_reaction Loop ( 10000 )

◆ makeDistributionManager()

makeDistributionManager ( ) -> Add(decay)

◆ Print()

my_reaction Print ( )

◆ SetMax()

decay SetMax ( 1 )

◆ Write()

hf1 Write ( )

Variable Documentation

◆ decay

PDalitzDistribution* decay

Initial value:

= 
    new PDalitzDistribution("my_hadronic_decay",
                "Eta matrix element for decay into charged pions")

Definition at line 7 of file user_eta_3pi_decay.C.

◆ f

TFile* f = new TFile("histo.root", "RECREATE")

Definition at line 20 of file user_eta_3pi_decay.C.

◆ hf1

TH2F* hf1 = new TH2F("hf1", "", 100, 0.06, .2, 100, 0.06, .2)

Definition at line 21 of file user_eta_3pi_decay.C.

◆ my_reaction

PReaction my_reaction("2.2", "p", "p", "p p eta [pi+ pi- pi0]", NULL, 1, 0, 0, 0)	(	"2.2"	,
		"p"	,
		"p"	,
		"p p eta "	[pi+pi- pi0],
		NULL	,
		1	,
		0	,
		0	,
		0	)

Functions

Variables