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“NIM” Paper

“NIM” Paper. Cy Hoffman. 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.

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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 • ????

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