A2PI.DEC
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A2PI.DEC
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	#Define a parmater dm for the B0B0bar mass difference
	#
	Define dm 0.51e12
	#
	#Define the CKM angle alpha
	#
	Define alpha 0.4
	#
	#Alias the neutral MYB to a B0
	#the neutral MYB will decay to the CP mode of interest
	#
	Alias MYB B0
	Alias MYantiB anti-B0
	ChargeConj MYB MYantiB
	CDecay MYantiB
	#
	Decay Upsilon(4S)
	# two decays of the UPS4S with equal probabilities for B0 and B0B tags
	0.50 MYB anti-B0 VSS;
	0.50 MYB B0 VSS;
	Enddecay
	#
	Decay MYB
	1.000 a_2+ pi- STS_CP alpha dm 1 1.0 0.0 1.0 0.0;
	Enddecay
	#
	Decay anti-B0
	1.000 D*+ e- anti-nu_e ISGW2;
	Enddecay
	#
	Decay B0
	1.000 D*- e+ nu_e ISGW2;
	Enddecay
	#
	# The statement below makes the D*+ a stable particle.
	#
	Decay D*+
	Enddecay
	#
	# The statement below makes the D*- a stable particle.
	#
	Decay D*-
	Enddecay
	#
	Decay a_2+
	1.0000 rho0 pi+ TVS_PWAVE 0.0 0.0 1.0 0.0 0.0 0.0;
	Enddecay
	#
	# Note this trailing "End" is important!
	#
	End