12-20 July 2017
Asia/Seoul timezone
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BEXCO - Room F(201/202/203/204)

[CRI197] Simulation of Near Horizontal Muons and Muon Bundles for the HAWC Observatory with CORSIKA


  • Wayne SPRINGER

Primary authors



The HAWC (High Altitude Water Cherenkov) gamma ray observatory observes muons with near-horizontal trajectories corresponding to zenith angles greater than 75 degrees. HAWC is located at an altitude of 4100 meters a.s.l. on the extinct volcano, Sierra Negra in Mexico. In this poster, we will summarize the CORSIKA-based simulations used to determine the effective area and sensitivity of HAWC to muons from high zenith angle cosmic ray primaries with energies from approximately 1 TeV to 100 PeV. These simulations include a GEANT4-based HAWC detector response simulation updated to include the presence of volcanoes. These simulations are investigating the capability to use muon multiplicity and rates to differentiate between the primary particle composition (proton or iron) and measure the primary's energy.