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Online filtering

Explore the preliminary results and strategies for analyzing up-going muon neutrinos and Corsika files. Includes effective areas, angular resolution, event and fake rates, and processing times. Warning: results are preliminary, more statistics needed.

sarahdorsey
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Online filtering

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  1. Online filtering • Comparisons planned / going-on: • 80, 23 and 9 strings (only results with 23 for the moment) • Strategies: • dipole • linefit • cluster jams • direct walk • llh fed by • dipole, linefit, cluster jams, direct walk • 8, 16 or 32 Sobol seeds • Up-going muon neutrinos and Corsika files

  2. Issues to check • Effective areas • Angular resolution • Event rates • Fake rates • Processing time warning #1: these results are very preliminary. warning #2: more statistics are needed (generating)

  3. Effective area Caution: slightly different cuts First guesses  only events reconstructed as up-going are included LLH  all the events which are reconstructed

  4. Effective area • llh fed by 32 Sobol seeds

  5. Dependence on energy and declination llh fed by 32 Sobol seeds

  6. Angular resolution • No cuts were used • E-2 spectrum ?? • for reference (80 strings) • dipole: 4.56 • linefit: 2.70 • llhSingle: 2.31

  7. Processing time (I) • Example of processing time for one corsika file (1055 calls)

  8. Processing time (II) • Example of processing time for one nugen file (44 calls)

  9. Mo’ plots • Surviving event rate for cuts in Ndir and Zenith (dipole) • E-1 spectrum

  10. Mo’ plots • Surviving event rate for cuts in Ndir and Ldir (clusterjams) • E-1 spectrum

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