beamsmearing_example.C File Reference

Go to the source code of this file.

Functions
smear	SetReaction ("p + p")
smear	SetAngularSmearing (new TF1("delme","1 *x", 0, 1.))
	makeDistributionManager () -> Add(smear)
my_reaction	Do (histo1, "_x = [p + p]->Px(); _y = [p + p]->Py();")
my_reaction	Do ("wrong_cm = P3E(0.000000,0.000000,2.994728,4.076545);")
my_reaction	Do (histo2, "_x = (wrong_cm - ([p,1] + [p,2]))->M();")
my_reaction	Print ()
my_reaction	Loop (10000)
histo1	Draw ()
new	TCanvas ()

Variables
PReaction	my_reaction ("2.2", "p", "p", "p p eta [dilepton [e+ e-] g]", "eta_dalitz", 1, 0, 0, 0)
TH2F *	histo1 = new TH2F ("histo1", "Px vs. Py of beam", 100, -.1, .1, 100, -.1, .1)
TH1F *	histo2 = new TH1F ("histo2", "Reconstructed eta mass", 100, 0.3, 0.7)

Function Documentation

Do() [1/3]

my_reaction Do

(

)

Do() [2/3]

my_reaction Do

(

histo1

)

Do() [3/3]

my_reaction Do

(

histo2

)

Draw()

histo1 Draw

(

)

Loop()

my_reaction Loop

(

10000

)

makeDistributionManager()

makeDistributionManager

(

)

-> Add(smear)

Print()

my_reaction Print

(

)

SetAngularSmearing()

smear SetAngularSmearing

(

new

TF1"delme","1 *x", 0, 1.

)

SetReaction()

smear SetReaction

(

"p + p"

)

TCanvas()

new TCanvas

(

)

Variable Documentation

histo1

TH2F* histo1 = new TH2F ("histo1", "Px vs. Py of beam", 100, -.1, .1, 100, -.1, .1)

Definition at line 47 of file beamsmearing_example.C.

histo2

TH1F* histo2 = new TH1F ("histo2", "Reconstructed eta mass", 100, 0.3, 0.7)

Definition at line 53 of file beamsmearing_example.C.

my_reaction

PReaction my_reaction("2.2", "p", "p", "p p eta [dilepton [e+ e-] g]", "eta_dalitz", 1, 0, 0, 0)	(	"2.2"	,
		"p"	,
		"p"	,
		"p p eta g]"	[dilepton[e+e-],
		"eta_dalitz"	,
		1	,
		0	,
		0	,
		0	)