thermal_rho.C

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//TITLE <b>Thermal macros (PFireball):</b> Test thermal source of rho's
// (R.H. 21/3/2006)
 
{ 
 
    //Add user-defined model without VDM M**3 scaling
    PFixedDecay *pmodel = new PFixedDecay("rho0_novdm_e-_e+", "Rho decay without VDM", -1);
    pmodel->Add("rho0, parent");
    pmodel->Add("e+, daughter");
    pmodel->Add("e-, daughter");
    makeDistributionManager()->Add(pmodel); //This enables the model
 
    //Enable this for removing the pi-cutoff:
    //makeDistributionManager()->Enable("rho0_ee_e-_e+");
 
    //Re-enabling VDM support:
    makeDistributionManager()->Enable("rho_picutoff_e-_e+");
 
    //Finally check what we have done:
    makeDistributionManager()->Print("decay_models");
 
    //PFireball *source = new PFireball("rho0", 0., 0.02, 0.0, 1, 0., 0., 0.0, 0.0, 0.0);
    PFireball *source = new PFireball("rho0", 1.0, 0.055, 0.0, 1.0, 0.0, 0., 0., 0., 0.); //1AGeV temp.
    source->setTrueThermal(kFALSE);
 
    PParticle *rho = new PParticle("rho0");
    PParticle *s1[] = {source, rho};
    PChannel  *c1 = new PChannel(s1, 1, 1);
 
    PParticle *ep = new PParticle("e+");
    PParticle *em = new PParticle("e-");
    PParticle *s2[] = {rho, ep, em};
    PChannel  *c2 = new PChannel(s2, 2, 1);
 
    PChannel  *cc[] = {c1, c2};
    PReaction *r = new PReaction(cc, "thermal_rho", 2, 1, 1);
    r->Print();
    r->SetHGeant(0);   // set to 1, if PLUTO run from HGeant prompt
    r->loop(10000);
 
    //data->Draw("M()","ID()==41","");
 
}