ILD Analysis/Software Meeting


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PIN : 7638

    • 14:00 14:10
      Physics Coordinators' report 10m
      Speaker: Keisuke Fujii
    • 14:10 14:20
      Software Coordinators' Report 10m
      Speaker: Frank Gaede
    • 14:20 14:40
      Developing a novel kinematic fit for the ILC 20m
      Speaker: Shogo Kajiwara (The University of Tokyo)
    • 14:40 15:00
      Hadronic W-decay separation in H->WW* events 20m

      I am looking at hadronic W-decays in 500 GeV H -> WW* events, semihadronic channel.
      I aim to separate W -> d+u from W -> s+c. These decay channels can be regularly c-tagged, but also have different amounts of kaons.
      I take tracking-based PID info (dE/dx, V0, TOF) to find kaons and pions, and collect various observables linked to these particles.
      I show that these observables have a certain separation power, which I compare to the performance of LCFIPlus-based c-tagging.
      I show that by combining both vertex- and tracking-based information, a higher separation performance is achieved, in particular at high purities.

      Speaker: Ulrich Einhaus (DESY)