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Re: MC matching [message #19017 is a reply to message #18903] Wed, 10 February 2016 19:37 Go to previous messageGo to previous message
Alexander Zinchenko is currently offline  Alexander Zinchenko
Messages: 8
Registered: January 2016
occasional visitor
From: 185.48.36*
Hello.
I tried to do what was suggested (at least as think I did what was suggested), i.e. for pi0-candidates which were classified as "no-matched with MC" I checked PDG codes of both daughters and they are 22 (photons).

Another strange thing (for me - maybe somehow related to this): if I do
PndAnalysis* theAnalysis = new PndAnalysis();

theAnalysis->FillList(mclist, "McTruth");

// Get number of pi0 decaying into gam gam
for (int jmc = 0; jmc < mclist.GetLength(); ++jmc) {
if (mclist[jmc]->PdgCode() != 111) continue; // select only pi0
hpi0_mult->Fill(mclist[jmc]->NDaughters());
}
I get quite a few cases with only one daughter. Is it a normal behavior?

 
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