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EAS Detector Sensitivity

HAWC ($6M) 150mx150m with 30x30 8” pmt grid Proposed at $6M Sensitivity determined from MC (Corsika,GEANT) Full recon, noise, saturation, electronics. HAWC 300 - 4x larger version of HAWC. 3-4x larger PMT (PC) density (lower thresh) ~$30M HAWC 1000 - 10x larger than HAWC 300.

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EAS Detector Sensitivity

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  1. HAWC ($6M) 150mx150m with 30x30 8” pmt grid Proposed at $6M Sensitivity determined from MC (Corsika,GEANT) Full recon, noise, saturation, electronics. HAWC 300 - 4x larger version of HAWC. 3-4x larger PMT (PC) density (lower thresh) ~$30M HAWC 1000 - 10x larger than HAWC 300. ~3x more sensitive at low energy (bkg) ~10x more sensitivity at high energy (sig.) ~$300M Differential sensitivity per quarter decade. The lines depict the 5 sigma detection flux level with at least 25 gamma rays. Data for GLAST, VERITAS, Whipple and the 1km2 ACT courtesy of S. Fegan. For the 1km2 ACT array, the 4 lines refer to 4 different background models. EAS Detector Sensitivity Exposure for EAS arrays ~2000h/year for entire sky ~1/2 of 4 sr In low background region, signif ~ Area x Exposure EAS Arrays have comparable area and ~40x exposure Andrew Smith - First GLAST Symposium

  2. 10TeV gamma HAWC - /h Separation 10TeV proton “Shape cuts” for HAWC @~14TeV “Angle Reconstruction” for HAWC @~14TeV

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