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“NIM” Paper

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  1. “NIM” Paper Cy Hoffman

  2. Focus on analysis methods and what has changed since Grito. • This is paper is a vehicle to making analysis papers go out faster. • If what we publish in this paper is not what we do in our analysis, then the this paper will not be as useful. • Elements may be published elsewhere which will reduce the length, publication time.

  3. Outline Introduction: (bla bla bla novel new detector bla bla bla) Detector Description: (Heavily reference Grito and stress differences, improvements) • Reservoir -GS (not much needed) • Liner/Cover -GS (not much needed) • Inflation/Installation -MS/DC(?) (new to Milagro) • PMTs/Baffles - DW (Baffles new and important) • Outrigger Array -TS(?)/GBY (lots of stuff here. ORs new to Milagro) • Water System -MS • DAQ/Trigger -BD • Repairs and Maintenance -BD Plots: • OR diagram • OR layout

  4. Outline (cont.) Operation of Milagro: • Calibration -AJS,BD,NYU • Pedestal shift -CL • Alignment - Zenith Align, Pointing Accuracy, Precision -AJS • Online Reconstruction -AJS • Data handling -AJS • Online analysis -AJS • GCN -?? Plots • Historic on-time • Calibration Diagram (In print? ICRC?)

  5. Outline (cont.) • Detector Simulation • Corsika -VV • GEANT -VV • PMT -VV • Water Tests -MS Detailed explanation of g4sim will be relegated to a separate paper.

  6. Outline (cont.) • Event Reconstruction • Core Fitting -AJS?? • Angle Fitting -AJS?? • Curvature • Sampling • Gamma/Hadron Separation: -AA • Compactness • A4 Plots: • DelEO (???) • Gamma/Hadron variables for MC gammas, MC hadrons, data

  7. Outline (cont.) • Background Estimation -GW • Direct Integration • ROI exclusion • Anisotropy (Mention this. It is important to the limit) Ref. paper by RF/LF and Cygnus (expt. not region) Plots: • Allsky signif. distribution

  8. Outline (cont.) • Significance Computation -JL/AJS • Event Weighting (gamma/hadron weighting) • PSF Weighting Plots: • Sensitivity improvement for various spectra for given assumed spectra. (This could be separate paper, in which case this lengthy section could be replaced by a shorter section with a reference to the paper.)

  9. Outline (cont.) • Energy Spectrum Estimation BA/GBY • Energy estimators • Fit method • Precision (Reference separate spectral analysis paper) (Does the moon belong here as a verification of the energy scale?) Plot showing dE vs E.

  10. Outline (cont.) • The Crab Nebula - A Demonstration of Milagro’s sensitivity • Verification of gamma/hadron variables • Verification of point spread function • Measurement of flux and spectrum Plots: • “sigma” map • PSF plot • Gamma/hadron comparison • Spectrum

  11. What’s Missing? • GRB Analysis • Extended source sensitivity • ????