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High Energy Neutrino Analysis at Kamland and Application to Dark Matter Search

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Item Summary

Title:High Energy Neutrino Analysis at Kamland and Application to Dark Matter Search
Authors:Sakai, Michinari
Date Issued:May 2016
Publisher:[Honolulu] : [University of Hawaii at Manoa], [May 2016]
Abstract:There are currently two active detector technologies for neutrino detection, namely Cherenkov and scintillator detectors. In the past, scintillator detectors have traditionally been used much like calorimeters to analyze neutrinos at lower energies of ~MeV, whereas neutrino directionality and flavor discrimination at higher energy scales have been greatly pursued by Cherenkov detectors. In this work, we will introduce a novel analysis technique to resolve the directionality of ~GeV scale neutrinos in scintillator with data taken at the Kamioka Liquid Scintillator Antineutrino Detector (KamLAND), the world’s largest scintillator neutrino detector located in Kamioka, Japan. Studies suggest that the directional resolution using this new method may be better than that of the Cherenkov method by ~10◦ in this energy regime. We will also explore track reconstruction and flavor discrimination techniques that were initially developed for R&D in the Low Energy Neutrino Astronomy (LENA) detector, and apply these techniques for the first time using real data. Finally we will employ the methods introduced to conduct an indirect dark matter search by looking for neutrino signals originating from dark matter annihilation in the Sun and Earth.
Description:Ph.D. University of Hawaii at Manoa 2016.
Includes bibliographical references.
Appears in Collections: Ph.D. - Physics

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