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Changes between Initial Version and Version 1 of Ticket #1060, comment 1


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Timestamp:
Dec 12, 2016, 5:50:32 AM (8 years ago)
Author:
S. Niyogi

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  • Ticket #1060, comment 1

    initial v1  
    1 Replying to [ticket:1060 sphys]:
    2 > Hi,
    3 >
    4 >  I have a question regarding tau tagging in Delphes v3.3. Can Delphes tag a tau from its leptonic decay ? I find inside TauTagging.cc module
    5 >
    6 >   for(i = tau->D1; i <= tau->D2; ++i)
    7 >   {
    8 >     daughter1 = static_cast<Candidate *>(fParticleInputArray->At(i));
    9 >     pdgCode = TMath::Abs(daughter1->PID);
    10 >     if(pdgCode == 11 || pdgCode == 13 || pdgCode == 15) return -1;
    11 >    ..
    12 >    ..
    13 >  If so, how can we tag a tau from its leptonic decay mode ?
    14 >
    15 > Also, I found from another ticket that hhow tau tagging in delphes works: for each reconstructed jet, if we can find a hadronically decayed tau-parton inside a cone DR w.r.t the center of jet, then we apply the efficiency provided by the user using a RN. Then, Delphes does not use track information, does it ? What is use of
    16 > set TrackPTMin 1.0 
    17 > set DeltaRTrack 0.2
    18 > inside tautagging module (given in ATLAS card) ?
    19 >
    20 >  I will appreciate if you can clarify some of these issues. Thank you in advance.
    21 >
    22 >  Regards,
    23 >  Saurabh
     1Can you kindly reply ?