FlyoDoc_2011 Pisa 2011 by GmP --- 011
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#include <reaetad.h>
Public Member Functions | |
double | Produci () |
double ReaEtad::Produci | ( | ) | [virtual] |
Produzione da proton di eta
Reimplemented from Reazione.
Definition at line 347 of file reaprod.cpp.
{ double mmq = 0.5473* 0.5473; double ener = sqrt ( ppb*ppb+mmq ); double teta=acos ( vzb ); if ( teta>0.02||teta<0.00001 ) return ( 0.0 ); double w1, w2; w1=-46.309+2.6560*ener-.36088e-1*ener*ener+.18706e-3* ener*ener*ener-.33651e-6*ener*ener*ener*ener; w2=teta*exp ( -36646.*teta*teta ); return ( w1*w2 ); }