cross_section_example.C File Reference

Go to the source code of this file.

Functions
model	Add ("g,grandparent,beam")
model	Add ("p,grandparent,target")
model	Add ("q,parent")
model	Add ("p,daughter")
model	Add ("eta,daughter,primary")
model	SetRange (1.4, 2.0)
distribution	SetBinContent (1, 20.)
distribution	SetBinContent (2, 16.)
distribution	SetBinContent (3, 11.)
distribution	SetBinContent (4, 8.)
distribution	SetBinContent (5, 5.)
distribution	SetBinContent (6, 4.)
distribution	SetBinContent (7, 3.)
distribution	SetBinContent (8, 2.5)
distribution	SetBinContent (9, 2.)
distribution	SetBinContent (10, 1.)
model	AddHistogram (distribution,"value = Eval(_x); _f = _y * value")
	makeDistributionManager () -> Add(model)
PReaction	my_reaction ("_P1 = 2.2","g","p","p eta [dilepton [e+ e-] g]")
my_reaction	Do (histo2,"_x = [g+p]->M(); myeta = [eta]; myeta->Boost([g+p]); _y = myeta->CosTheta()")
my_reaction	Print ()
my_reaction	Loop (100000)

Variables
TH1F *	distribution = new TH1F("distribution", "Angular distribution", 10, -1 , 1 )
TH2F *	histo2 = new TH2F ("histo2","c.m. vs cos_theta",100,1.0,3.0,20,-1,1)

Function Documentation

Add() [1/5]

pnsaid Add	(	"	eta,
		daughter	,
		primary"	)

Add() [2/5]

model Add	(	"	g,
		grandparent	,
		beam"	)

Add() [3/5]

mydecay Add	(	"	p,
		daughter"	)

Add() [4/5]

model Add	(	"	p,
		grandparent	,
		target"	)

Add() [5/5]

model Add	(	"	q,
		parent"	)

AddHistogram()

model AddHistogram

(

distribution

)

Do()

my_reaction Do

(

histo2

)

Loop()

my_reaction Loop

(

100000

)

makeDistributionManager()

makeDistributionManager

(

)

-> Add(model)

my_reaction()

PReaction my_reaction

(

)

Definition at line 13 of file batch_read_ntuple.C.

Print()

my_reaction Print

(

)

SetBinContent() [1/10]

distribution SetBinContent	(	1	,
		20.	)

SetBinContent() [2/10]

distribution SetBinContent	(	10	,
		1.	)

SetBinContent() [3/10]

distribution SetBinContent	(	2	,
		16.	)

SetBinContent() [4/10]

distribution SetBinContent	(	3	,
		11.	)

SetBinContent() [5/10]

distribution SetBinContent	(	4	,
		8.	)

SetBinContent() [6/10]

distribution SetBinContent	(	5	,
		5.	)

SetBinContent() [7/10]

distribution SetBinContent	(	6	,
		4.	)

SetBinContent() [8/10]

distribution SetBinContent	(	7	,
		3.	)

SetBinContent() [9/10]

distribution SetBinContent	(	8	,
		2.	5 )

SetBinContent() [10/10]

distribution SetBinContent	(	9	,
		2.	)

SetRange()

model SetRange	(	1.	4,
		2.	0 )

Variable Documentation

distribution

TH1F* distribution = new TH1F("distribution", "Angular distribution", 10, -1 , 1 )

Definition at line 20 of file cross_section_example.C.

histo2

TH2F* histo2 = new TH2F ("histo2","c.m. vs cos_theta",100,1.0,3.0,20,-1,1)

Definition at line 72 of file cross_section_example.C.