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Wednesday, March 10, 2010

Sean Grullon

University of Wisconsin

Searching for High Energy Diffuse Astrophysical Muon Neutrinos with IceCube

Abstract: The IceCube Neutrino Observatory is a 1 km³ detector currently under construction at the South Pole. Searching for high energy neutrinos from unresolved astrophysical sources is one of the main analysis strategies used in the search for astrophysical neutrinos with the IceCube Neutrino Observatory. A hard energy spectrum of neutrinos from isotropically distributed astrophysical sources could contribute to form a detectable signal above the atmospheric neutrino background. A reliable method of estimating the energy of the neutrino-induced lepton is crucial for identifying astrophysical neutrinos. An analysis is underway using data from the 40 string configuration taken during its 2008-2009 science run.

Bio: Sean Grullon grew up in Miami, FL and got his Bachelor's degree from Florida International University. His undergraduate work involved intermediate energy nuclear physics at Jefferson Laboratory. For his graduate career, he came to Madison, Wisconsin and did research for his masters degree with the ATLAS detector at the Large Hadron Collider. For his PhD, he switched to particle astrophysics with the IceCube detector nearing completion at the South Pole.

Time: 4:00pm – 5:30pm

Location: Physics and Astrophysics Conference Room 102/103

Light refreshments available 4:00pm; Presentation begins 4:15pm.

Open to All